/* =========================================================
   WHITE BANGER ERP — MASTER STYLESHEET v4.0
   Refined Design System · Premium Education Platform
========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* =========================================================
   DESIGN TOKENS
========================================================= */
:root {
  /* ── Brand — Indigo ──────────────────────────── */
  --primary:        #4F46E5;
  --primary-hover:  #4338CA;
  --primary-light:  #EEF2FF;
  --primary-dark:   #3730A3;
  --primary-glow:   rgba(79,70,229,0.15);
  --gold:           #f59e0b;
  --gold-dark:      #b45309;
  --gold-light:     #fffbeb;

  /* ── Accents ─────────────────────────────────── */
  --neon-cyan:      #22d3ee;
  --neon-blue:      #6366F1;
  --neon-purple:    #8b5cf6;
  --neon-pink:      #ec4899;
  --neon-green:     #10b981;
  --neon-amber:     #fbbf24;
  --space-1:        #1E1B4B;
  --space-2:        #312E81;
  --space-3:        #4338CA;

  /* ── Semantic ────────────────────────────────── */
  --success:        #10b981;
  --success-light:  #ecfdf5;
  --warning:        #f59e0b;
  --warning-light:  #fffbeb;
  --danger:         #ef4444;
  --danger-light:   #fef2f2;
  --info:           #0ea5e9;
  --info-light:     #f0f9ff;
  --purple:         #8b5cf6;
  --purple-light:   #f5f3ff;

  /* ── Gray neutrals ───────────────────────────── */
  --gray-50:  #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;

  /* ── Layout ──────────────────────────────────── */
  --sidebar-w:       260px;
  --sidebar-w-col:    68px;
  --topbar-h:         60px;
  --radius-sm:         8px;
  --radius-md:        14px;
  --radius-lg:        20px;
  --radius-xl:        28px;

  /* ── Shadows ─────────────────────────────────── */
  --shadow-xs:  0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg:  0 8px 24px rgba(0,0,0,0.09), 0 3px 8px rgba(0,0,0,0.04);
  --shadow-xl:  0 16px 40px rgba(0,0,0,0.1), 0 6px 16px rgba(0,0,0,0.05);
  --shadow-2xl: 0 24px 60px rgba(0,0,0,0.12), 0 10px 24px rgba(0,0,0,0.07);
  --shadow-primary: 0 4px 16px rgba(79,70,229,0.28);
  --shadow-success: 0 4px 14px rgba(16,185,129,0.22);

  /* ── Transitions ─────────────────────────────── */
  --transition:        all 0.18s cubic-bezier(0.4,0,0.2,1);
  --transition-slow:   all 0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-spring: all 0.28s cubic-bezier(0.34,1.56,0.64,1);

  /* ── Surfaces — flat warm grey ───────────────── */
  --bg-page:        #F1F0EA;   /* warm off-white page */
  --bg-card:        #E9E8E0;   /* warm grey cards (a touch darker than page) */
  --bg-sidebar:     #17180F;   /* near-black floating sidebar */
  --bg-topbar:      #F1F0EA;   /* matches page — flat */
  --bg-card-solid:  #FFFFFF;   /* white inner chips / inputs */
  --glass-edge:     transparent;
  --glass-blur:     none;
  --border:         #DEDCD1;   /* warm subtle border */
  --border-strong:  #CBC9BC;
  --text-primary:   #191A12;   /* warm near-black */
  --text-secondary: #6A6A5E;
  --text-muted:     #9B9B8D;
  --text-sidebar:   rgba(255,255,255,0.58);
  --text-sidebar-active: #FFFFFF;
}

/* ─── DARK MODE — OBSIDIAN INDIGO ───────────────────────── */
[data-theme="dark"] {
  /* Primary → light indigo for contrast on dark */
  --primary:        #818CF8;
  --primary-hover:  #6366F1;
  --primary-light:  rgba(129,140,248,0.12);
  --primary-dark:   #4F46E5;
  --primary-glow:   rgba(129,140,248,0.22);

  /* Surfaces — flat warm dark */
  --bg-page:        #16150F;
  --bg-card:        #221F17;
  --bg-sidebar:     #0E0D08;
  --bg-topbar:      #16150F;

  /* Borders — subtle warm white */
  --border:         rgba(255,255,255,0.09);
  --border-strong:  rgba(255,255,255,0.15);

  /* Text */
  --text-primary:   #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted:     #475569;
  --text-sidebar:   rgba(255,255,255,0.5);
  --text-sidebar-active: #F1F5F9;

  /* Semantic — vivid on dark */
  --success:        #34d399;
  --success-light:  rgba(52,211,153,0.12);
  --danger:         #f87171;
  --danger-light:   rgba(248,113,113,0.12);
  --warning:        #fbbf24;
  --warning-light:  rgba(251,191,36,0.12);
  --info:           #38BDF8;
  --info-light:     rgba(129,140,248,0.12);
  --purple:         #c084fc;
  --purple-light:   rgba(192,132,252,0.12);
  --gold:           #fbbf24;
  --gold-light:     rgba(251,191,36,0.12);
  --gold-dark:      #d97706;

  /* Slate dark neutrals */
  --gray-50:  #221F17;
  --gray-100: #293548;
  --gray-200: rgba(129,140,248,0.1);
  --gray-300: rgba(129,140,248,0.18);
  --gray-400: #475569;
  --gray-500: #64748B;
  --gray-600: #94A3B8;
  --gray-700: #CBD5E1;
  --gray-800: #E2E8F0;
  --gray-900: #F1F5F9;

  /* Shadows — deep */
  --shadow-xs:  0 1px 4px rgba(0,0,0,0.5);
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.45);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg:  0 10px 40px rgba(0,0,0,0.55);
  --shadow-xl:  0 20px 60px rgba(0,0,0,0.65);
  --shadow-2xl: 0 30px 80px rgba(0,0,0,0.75);
  --shadow-primary: 0 0 24px rgba(129,140,248,0.3), 0 4px 12px rgba(0,0,0,0.5);
  --shadow-success: 0 0 20px rgba(52,211,153,0.25), 0 4px 12px rgba(0,0,0,0.5);
}

/* =========================================================
   RESET
========================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-primary);
  background: var(--bg-page);
  line-height: 1.6;
  min-height: 100vh;
  min-height: 100dvh; /* tracks the real visible viewport as the mobile address bar collapses/expands */
  transition: background 0.3s, color 0.3s;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; }
input, select, textarea { font-family: inherit; }

/* =========================================================
   SCROLLBAR
========================================================= */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: rgba(129,140,248,0.25); border-radius: 10px; }
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: rgba(129,140,248,0.45); }

/* =========================================================
   LAYOUT
========================================================= */
.erp-layout { display: flex; min-height: 100vh; min-height: 100dvh; }

/* =========================================================
   SIDEBAR
========================================================= */
.erp-sidebar {
  width: var(--sidebar-w);
  background: var(--bg-sidebar, #17180F);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  transition: width 0.3s cubic-bezier(0.4,0,0.2,1), transform 0.3s cubic-bezier(0.4,0,0.2,1);
  overflow: hidden;
  border-right: none;
}
.erp-sidebar.collapsed { width: var(--sidebar-w-col); }

/* Notch/Dynamic-Island safe area — inert (env() resolves to 0) outside an
   installed standalone PWA on a notched device, so this is a no-op in an
   ordinary browser tab. */
.erp-sidebar { padding-top: env(safe-area-inset-top); padding-left: env(safe-area-inset-left); }

/* Brand */
.erp-sidebar-brand {
  display: flex; align-items: center;
  padding: 0 14px;
  height: var(--topbar-h);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}
.erp-sidebar-brand img { display: block; height: 40px; max-width: 172px; object-fit: contain; }
.erp-brand-logo {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, #4F46E5 0%, #818CF8 100%);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 14px; color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(79,70,229,0.35);
  letter-spacing: -0.5px;
}
.erp-brand-text { white-space: nowrap; overflow: hidden; }
.erp-brand-text strong { display: block; font-size: 14px; font-weight: 700; color: #FFFFFF; letter-spacing: -0.3px; line-height: 1.3; }
.erp-brand-text span { font-size: 10px; color: rgba(255,255,255,0.45); font-weight: 500; letter-spacing: 0.3px; text-transform: uppercase; }

/* Nav */
.erp-sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0 8px; }
.erp-sidebar-nav::-webkit-scrollbar { width: 2px; }
.erp-sidebar-nav::-webkit-scrollbar-thumb { background: var(--gray-300); }

.erp-nav-section { padding: 0 10px; }
.erp-nav-section-label,
.erp-nav-label {
  font-size: 9px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.6px;
  color: rgba(255,255,255,0.35);
  padding: 14px 10px 4px;
  white-space: nowrap;
}
.erp-sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12) !important; }
.erp-sidebar.collapsed .erp-nav-section-label,
.erp-sidebar.collapsed .erp-nav-label { opacity: 0; height: 0; padding: 0; overflow: hidden; }

.erp-nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text-sidebar, rgba(255,255,255,0.6));
  font-size: 13px; font-weight: 500;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
  margin-bottom: 1px;
  position: relative;
  letter-spacing: -0.1px;
}
.erp-nav-link {
  color: rgba(255,255,255,0.6);
}
.erp-nav-link:hover {
  background: rgba(255,255,255,0.07);
  color: #FFFFFF;
}
.erp-nav-link.active {
  background: rgba(255,255,255,0.1);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--primary);
}
.erp-nav-icon {
  width: 20px; height: 20px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  opacity: 0.9;
}
.erp-nav-icon svg { width: 17px; height: 17px; }
.erp-nav-text { flex: 1; white-space: nowrap; overflow: hidden; }
/* ── Sidebar notification badge ───────────────────────────────── */
.erp-nav-badge {
  flex-shrink: 0;
  margin-left: auto;
  background: #ef4444;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  padding: 2px 5px;
  min-width: 17px;
  border-radius: 20px;
  text-align: center;
  animation: erp-badge-pop 0.2s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes erp-badge-pop {
  from { transform: scale(0.4); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}
/* Keep badge visible even when sidebar is collapsed (icon-only mode) */
.erp-sidebar.collapsed .erp-nav-badge {
  position: absolute;
  top: 3px; right: 4px;
  font-size: 8px;
  padding: 1px 4px;
  min-width: 14px;
}
.erp-nav-badge {
  margin-left: auto;
  background: var(--primary);
  color: #fff;
  font-size: 9px; font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
  flex-shrink: 0;
}
.erp-sidebar.collapsed .erp-nav-text,
.erp-sidebar.collapsed .erp-nav-badge,
.erp-sidebar.collapsed .erp-brand-text { display: none; }
.erp-sidebar.collapsed .erp-sidebar-brand img { max-width: 36px; height: 36px; object-fit: cover; }

/* ── Collapsible Nav Groups ────────────────────────── */
.erp-nav-group { margin-bottom: 1px; }

.erp-nav-group-header {
  display: flex; align-items: center; gap: 10px;
  padding: 8.5px 12px;
  border-radius: 9px;
  color: var(--text-sidebar);
  font-size: 13px; font-weight: 500;
  cursor: pointer; user-select: none;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.erp-nav-group-header:hover {
  background: rgba(255,255,255,0.07);
  color: #FFFFFF;
}
.erp-nav-group-header.open { color: #FFFFFF; }

.erp-nav-group-arrow {
  margin-left: auto; flex-shrink: 0;
  width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; opacity: 0.4;
  transition: transform 0.2s var(--ease), opacity 0.15s;
}
.erp-nav-group-header.open .erp-nav-group-arrow {
  transform: rotate(90deg); opacity: 0.8;
}

.erp-nav-group-children {
  max-height: 0; overflow: hidden;
  transition: max-height 0.28s cubic-bezier(0.4,0,0.2,1);
  padding-left: 4px;
}
.erp-nav-group-children.open { max-height: 600px; }

.erp-nav-group-children .erp-nav-link {
  padding-left: 32px;
  font-size: 12.5px;
  color: rgba(255,255,255,0.48);
}
.erp-nav-group-children .erp-nav-link::before {
  content: '';
  position: absolute; left: 18px; top: 50%;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  transform: translateY(-50%);
  transition: background 0.15s, transform 0.15s;
}
.erp-nav-group-children .erp-nav-link:hover::before { background: rgba(255,255,255,0.7); }
.erp-nav-group-children .erp-nav-link.active::before { background: var(--primary); transform: translateY(-50%) scale(1.3); }

.erp-nav-sep {
  height: 1px; background: rgba(255,255,255,0.05);
  margin: 6px 8px;
}

/* Collapsed sidebar: flatten groups */
.erp-sidebar.collapsed .erp-nav-group-header { justify-content: center; padding: 9px; }
.erp-sidebar.collapsed .erp-nav-group-header .erp-nav-text,
.erp-sidebar.collapsed .erp-nav-group-arrow { display: none; }
.erp-sidebar.collapsed .erp-nav-group-children { max-height: none !important; padding-left: 0; }
.erp-sidebar.collapsed .erp-nav-group-children .erp-nav-link { padding-left: 12px; justify-content: center; }
.erp-sidebar.collapsed .erp-nav-group-children .erp-nav-link::before { display: none; }

/* Sidebar Footer */
.erp-sidebar-footer {
  padding: 10px;
  border-top: 1px solid rgba(255,255,255,0.05);
  flex-shrink: 0;
}
.erp-sidebar-user {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px;
  border-radius: 10px;
  transition: background 0.15s;
}
.erp-sidebar-user:hover { background: rgba(255,255,255,0.05); }
.erp-user-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4F46E5 0%, #818CF8 50%, #A5B4FC 100%);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 12px; color: #fff;
  flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(129,140,248,0.35), 0 0 0 1.5px rgba(129,140,248,0.2);
}
.erp-user-info { white-space: nowrap; overflow: hidden; flex: 1; }
.erp-user-info strong, .erp-user-name { display: block; font-size: 12.5px; color: #fff; font-weight: 600; line-height: 1.3; }
.erp-user-info span { font-size: 10.5px; color: rgba(255,255,255,0.32); }
.erp-sidebar.collapsed .erp-user-info { display: none; }

/* =========================================================
   MAIN AREA
========================================================= */
.erp-main {
  margin-left: var(--sidebar-w);
  flex: 1;
  /* min-width:0 lets this flex item shrink below the intrinsic width of wide
     content (e.g. tables with min-width). Without it, a wide table forces the
     whole page wider than the viewport on mobile (horizontal overflow bug). */
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  transition: margin-left 0.3s cubic-bezier(0.4,0,0.2,1);
}
.erp-main.sidebar-collapsed { margin-left: var(--sidebar-w-col); }

/* =========================================================
   TOPBAR
========================================================= */
.erp-topbar {
  height: calc(var(--topbar-h) + env(safe-area-inset-top));
  padding-top: env(safe-area-inset-top);
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding-left: 24px; padding-right: 24px;
  gap: 12px;
  position: sticky; top: 0; z-index: 100;
  box-shadow: none;
  transition: background 0.3s, border-color 0.3s;
}
.erp-topbar-toggle {
  background: none; border: none;
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
  flex-shrink: 0;
}
.erp-topbar-toggle:hover { background: var(--gray-100); color: var(--primary); }
.erp-topbar-toggle svg { width: 19px; height: 19px; }

.erp-breadcrumb {
  display: flex; align-items: center; gap: 5px;
  font-size: 13px; color: var(--text-muted);
  flex: 1; min-width: 0;
}
.erp-breadcrumb span { color: var(--text-muted); flex-shrink: 0; }
.erp-breadcrumb strong { color: var(--text-primary); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.erp-bc-link { color: var(--text-muted); text-decoration: none; transition: color 0.15s; white-space: nowrap; flex-shrink: 0; }
.erp-bc-link:hover { color: var(--primary); }
.erp-bc-chevron { width: 12px; height: 12px; flex-shrink: 0; opacity: 0.45; }

.erp-topbar-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.erp-topbar-btn {
  width: 36px; height: 36px;
  background: transparent;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); position: relative;
  transition: var(--transition);
}
.erp-topbar-btn:hover { background: var(--primary-light); color: var(--primary); border-color: rgba(79,70,229,0.3); }
.erp-topbar-btn svg { width: 17px; height: 17px; }
.erp-notif-dot {
  display: none; /* hidden until notifications are implemented — show via JS when count > 0 */
  position: absolute; top: 6px; right: 6px;
  width: 7px; height: 7px;
  background: var(--danger); border-radius: 50%;
  border: 2px solid var(--bg-topbar);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.8; }
}
.erp-topbar-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4F46E5 0%, #818CF8 50%, #A5B4FC 100%);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; color: #fff;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(129,140,248,0.3), 0 0 0 2px rgba(129,140,248,0.15);
  transition: box-shadow 0.2s, transform 0.2s;
}
.erp-topbar-avatar:hover { box-shadow: 0 0 20px rgba(129,140,248,0.45), 0 0 0 2px rgba(129,140,248,0.35); transform: scale(1.08); }

/* Role Badge */
.erp-role-badge {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 10.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.erp-role-badge.admin   { background: var(--primary-light); color: var(--primary); }
.erp-role-badge.manager { background: var(--info-light);    color: #0369a1; }
.erp-role-badge.teacher { background: var(--success-light); color: #047857; }
.erp-role-badge.student { background: var(--warning-light); color: #92400e; }
.erp-role-badge.staff   { background: var(--purple-light);  color: #6d28d9; }
.erp-role-badge.partner    { background: #f0f9ff;  color: #0369a1; border: 1px solid #7dd3fc; }
.erp-role-badge.superadmin { background: #ede9fe; color: #5b21b6; }

/* Demo banner */
.erp-demo-banner {
  background: linear-gradient(90deg, #f59e0b, #d97706);
  color: #fff; padding: 7px 16px; font-size: 12px; font-weight: 600;
  text-align: center; display: none;
}
.erp-demo-banner.visible { display: block; }

/* Branch badge */
.erp-branch-badge {
  background: rgba(79,70,229,0.08); color: var(--primary);
  padding: 2px 8px; border-radius: 20px; font-size: 11px;
  font-weight: 600; border: 1px solid rgba(79,70,229,0.15);
}

/* =========================================================
   HUB TAB BAR — horizontal page switcher within a hub
========================================================= */
.erp-hub-tabbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  position: sticky;
  top: var(--topbar-h);
  z-index: 90;
  box-shadow: 0 1px 0 var(--border);
}
.erp-hub-tab-scroll {
  display: flex;
  align-items: center;
  padding: 0 18px;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  height: 46px;
}
.erp-hub-tab-scroll::-webkit-scrollbar { display: none; }
.erp-hub-tab {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  height: 32px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  border-radius: 8px;
  border: 1.5px solid transparent;
  transition: var(--transition);
  flex-shrink: 0;
  gap: 6px;
}
.erp-hub-tab:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.erp-hub-tab.active {
  color: var(--primary);
  background: var(--primary-light);
  border-color: rgba(79,70,229,0.2);
  font-weight: 600;
}
.erp-hub-tab-icon { width: 14px; height: 14px; flex-shrink: 0; }
@media (max-width: 768px) {
  .erp-hub-tab { padding: 5px 11px; font-size: 12.5px; }
  .erp-hub-tab-scroll { padding: 0 10px; height: 44px; }
}
[data-theme="dark"] .erp-hub-tabbar {
  background: var(--bg-card);
  border-bottom-color: var(--border);
}
[data-theme="dark"] .erp-hub-tab:hover { background: var(--primary-light); color: var(--primary); }
[data-theme="dark"] .erp-hub-tab.active { color: var(--primary); background: var(--primary-light); border-color: rgba(129,140,248,0.25); }

/* =========================================================
   PAGE CONTENT
========================================================= */
.erp-content { padding: 28px 30px; flex: 1; min-width: 0; }
.erp-page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 24px; gap: 16px; flex-wrap: wrap;
}
.erp-page-title { font-size: 26px; font-weight: 800; color: var(--text-primary); letter-spacing: -0.9px; line-height: 1.1; }
.erp-page-subtitle { font-size: 13.5px; color: var(--text-muted); margin-top: 5px; font-weight: 400; line-height: 1.5; }
.erp-page-actions { display: flex; gap: 8px; flex-shrink: 0; flex-wrap: wrap; align-items: center; }

/* Panel loading */
.erp-panel-loading {
  display: flex; align-items: center; justify-content: center;
  height: 60vh; flex-direction: column; gap: 14px;
  color: var(--text-muted); font-size: 14px;
}
.erp-spinner {
  width: 32px; height: 32px; border-radius: 50%;
  border: 2.5px solid var(--border);
  border-top-color: var(--primary);
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* =========================================================
   BUTTONS
========================================================= */
.erp-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 20px;
  border-radius: 22px;
  font-size: 13px; font-weight: 600;
  border: 1.5px solid transparent;
  transition: var(--transition);
  cursor: pointer; white-space: nowrap;
  letter-spacing: -0.1px; position: relative; overflow: hidden;
}
.erp-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.erp-btn:active { transform: scale(0.97) !important; }
.erp-btn:disabled { opacity: 0.52; cursor: not-allowed; pointer-events: none; }
.erp-btn svg { width: 15px; height: 15px; flex-shrink: 0; }

.erp-btn-primary {
  background: var(--primary);
  color: #fff; border-color: var(--primary);
  box-shadow: none;
}
.erp-btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.erp-btn-outline   { background: transparent; color: var(--primary); border-color: var(--border); }
.erp-btn-outline:hover { background: var(--primary-light); border-color: rgba(79,70,229,0.35); transform: translateY(-1px); }

.erp-btn-success   { background: linear-gradient(135deg, #059669 0%, var(--success) 100%); color: #fff; border-color: #059669; box-shadow: 0 2px 8px rgba(16,185,129,0.2); }
.erp-btn-success:hover { background: linear-gradient(135deg, #047857 0%, #059669 100%); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(16,185,129,0.3); }

.erp-btn-danger    { background: linear-gradient(135deg, #dc2626 0%, var(--danger) 100%); color: #fff; border-color: #dc2626; }
.erp-btn-danger:hover  { background: linear-gradient(135deg, #b91c1c 0%, #dc2626 100%); transform: translateY(-1px); }

.erp-btn-ghost     { background: transparent; color: var(--text-secondary); border-color: var(--border); }
.erp-btn-ghost:hover { background: var(--gray-100); color: var(--text-primary); border-color: var(--border-strong); }

.erp-btn-gold      { background: linear-gradient(135deg, #d97706 0%, var(--gold) 100%); color: #fff; border-color: #d97706; box-shadow: 0 2px 8px rgba(245,158,11,0.2); }
.erp-btn-gold:hover { background: linear-gradient(135deg, #b45309 0%, #d97706 100%); transform: translateY(-1px); }

.erp-btn-white {
  background: rgba(255,255,255,0.14);
  color: #fff; border: 1.5px solid rgba(255,255,255,0.22);
  backdrop-filter: blur(8px);
}
.erp-btn-white:hover { background: rgba(255,255,255,0.24); border-color: rgba(255,255,255,0.38); }

.erp-btn-sm  { padding: 7px 15px; font-size: 12px; border-radius: 20px; gap: 5px; }
.erp-btn-sm svg { width: 13px; height: 13px; }
.erp-btn-lg  { padding: 13px 30px; font-size: 14.5px; border-radius: 26px; }
.erp-btn-icon { padding: 8px; }

/* =========================================================
   CARDS
========================================================= */
.erp-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: none;
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.erp-card:hover { border-color: var(--border-strong); }
.erp-card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.erp-card-title { font-family: 'Inter', sans-serif; }
.erp-card-title { font-size: 13.5px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.2px; }
.erp-card-body { padding: 20px; }

/* =========================================================
   KPI STAT CARDS
========================================================= */
.erp-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}
.erp-stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding: 20px;
  display: flex; align-items: center; gap: 16px;
  transition: var(--transition);
  box-shadow: none;
  position: relative;
  overflow: hidden;
}
.erp-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  width: auto;
  background: var(--primary);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.erp-stat-card.stat-green::before  { background: var(--success); }
.erp-stat-card.stat-gold::before   { background: var(--gold); }
.erp-stat-card.stat-red::before    { background: var(--danger); }
.erp-stat-card.stat-purple::before { background: var(--purple); }
.erp-stat-card.stat-cyan::before   { background: var(--info); }
.erp-stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.erp-stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 20px;
}
.erp-stat-icon.blue   { background: linear-gradient(135deg, #1a56db, #3b82f6); color: #fff; box-shadow: 0 6px 18px rgba(26,86,219,0.32); }
.erp-stat-icon.green  { background: linear-gradient(135deg, #059669, #10b981); color: #fff; box-shadow: 0 6px 18px rgba(5,150,105,0.32); }
.erp-stat-icon.gold   { background: linear-gradient(135deg, #d97706, #f59e0b); color: #fff; box-shadow: 0 6px 18px rgba(217,119,6,0.32); }
.erp-stat-icon.red    { background: linear-gradient(135deg, #dc2626, #ef4444); color: #fff; box-shadow: 0 6px 18px rgba(220,38,38,0.32); }
.erp-stat-icon.purple { background: linear-gradient(135deg, #7c3aed, #8b5cf6); color: #fff; box-shadow: 0 6px 18px rgba(79,70,229,0.32); }
.erp-stat-icon.cyan   { background: linear-gradient(135deg, #0284c7, #06b6d4); color: #fff; box-shadow: 0 6px 18px rgba(2,132,199,0.32); }
.erp-stat-icon.cyan   { background: linear-gradient(135deg, rgba(14,165,233,0.13), rgba(34,211,238,0.18)); color: var(--info); box-shadow: 0 4px 12px rgba(14,165,233,0.18); }
.erp-stat-info { flex: 1; min-width: 0; }
.erp-stat-value { font-size: 28px; font-weight: 800; color: var(--text-primary); line-height: 1.1; letter-spacing: -0.8px; }
.erp-stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; font-weight: 500; }
.erp-stat-trend {
  font-size: 10.5px; font-weight: 700;
  padding: 2px 8px; border-radius: 20px;
  margin-top: 6px; display: inline-block;
}
.erp-stat-trend.up   { background: var(--success-light); color: #047857; }
.erp-stat-trend.down { background: var(--danger-light);  color: #b91c1c; }

/* =========================================================
   CHARTS GRID
========================================================= */
.erp-charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
  margin-bottom: 22px;
}
.erp-chart-container { position: relative; height: 280px; }

/* =========================================================
   TABLES
========================================================= */
.erp-table-wrap,
.erp-table-container,
.erp-table-responsive { overflow-x: auto; }
table.erp-table {
  width: 100%; border-collapse: collapse;
  font-size: 13px;
}
.erp-table th {
  background: rgba(248,249,255,0.6);
  color: var(--text-secondary);
  font-size: 10.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.8px;
  padding: 11px 16px;
  text-align: left;
  border-bottom: 1.5px solid var(--border);
  white-space: nowrap;
}
.erp-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
  font-size: 13px;
}
.erp-table tbody tr:last-child td { border-bottom: none; }
.erp-table tbody tr { transition: background 0.12s; }
.erp-table tbody tr:nth-child(even) td { background: rgba(249,250,251,0.7); }
.erp-table tbody tr:hover td { background: var(--primary-light) !important; }
[data-theme="dark"] .erp-table tbody tr:hover { background: rgba(79,70,229,0.07); }
[data-theme="dark"] .erp-table th { background: rgba(255,255,255,0.02); }

/* =========================================================
   INVOICE MANAGEMENT TABS
========================================================= */
.erp-inv-tabs {
  display: flex; border-bottom: 1.5px solid var(--border);
  padding: 0 20px; background: var(--bg-card);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.erp-inv-tab {
  padding: 14px 18px; font-size: 13px; font-weight: 600;
  color: var(--text-muted); background: none; border: none;
  border-bottom: 2px solid transparent; margin-bottom: -1.5px;
  cursor: pointer; transition: var(--transition); white-space: nowrap;
}
.erp-inv-tab:hover { color: var(--primary); }
.erp-inv-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.erp-inv-tab-content { display: none; }
.erp-inv-tab-content.active { display: block; }
.erp-inv-toolbar {
  display: flex; gap: 8px; align-items: center;
  padding: 14px 20px; flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}
.erp-inv-search {
  flex: 1; min-width: 200px; max-width: 300px;
  padding: 8px 12px; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); font-size: 13px;
  background: var(--bg-page); color: var(--text-primary);
  transition: var(--transition);
}
.erp-inv-search:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.erp-sortable-th { cursor: pointer; user-select: none; }
.erp-sortable-th:hover { background: var(--primary-light); color: var(--primary); }
.erp-sortable-th .sort-icon { margin-left: 4px; opacity: 0.4; font-size: 9px; }
.erp-sortable-th.sort-asc .sort-icon::after  { content: '▲'; opacity: 1; color: var(--primary); }
.erp-sortable-th.sort-desc .sort-icon::after { content: '▼'; opacity: 1; color: var(--primary); }
.erp-sortable-th:not(.sort-asc):not(.sort-desc) .sort-icon::after { content: '⇅'; }

/* =========================================================
   BADGES
========================================================= */
.erp-badge {
  display: inline-flex; align-items: center;
  padding: 2.5px 9px;
  border-radius: 20px;
  font-size: 11px; font-weight: 700;
  white-space: nowrap; letter-spacing: 0.1px;
}
.erp-badge-success { background: var(--success-light);  color: #047857; }
.erp-badge-danger  { background: var(--danger-light);   color: #b91c1c; }
.erp-badge-warning { background: var(--warning-light);  color: #92400e; }
.erp-badge-info    { background: var(--info-light);     color: #0369a1; }
.erp-badge-primary { background: var(--primary-light);  color: var(--primary); }
.erp-badge-purple  { background: var(--purple-light);   color: #6d28d9; }
.erp-badge-gold    { background: var(--gold-light);     color: #92400e; }
.erp-badge-gray    { background: var(--gray-100);       color: var(--gray-600); }

/* =========================================================
   AVATAR
========================================================= */
.erp-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, #4F46E5 0%, #818CF8 50%, #A5B4FC 100%);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; color: #fff;
  flex-shrink: 0;
}
.erp-avatar-sm { width: 28px; height: 28px; font-size: 10px; }
.erp-avatar-lg { width: 52px; height: 52px; font-size: 18px; }
.erp-avatar.green  { background: linear-gradient(135deg, #047857, var(--success)); }
.erp-avatar.gold   { background: linear-gradient(135deg, var(--gold-dark), var(--gold)); color: #fff; }
.erp-avatar.purple { background: linear-gradient(135deg, #6d28d9, var(--purple)); }
.erp-avatar.red    { background: linear-gradient(135deg, #b91c1c, var(--danger)); }

/* =========================================================
   FORMS
========================================================= */
.erp-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.erp-form-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.erp-form-grid.cols-1 { grid-template-columns: 1fr; }
.erp-form-group { display: flex; flex-direction: column; gap: 5px; }
.erp-form-group.full { grid-column: 1 / -1; }
.erp-label {
  font-size: 11.5px; font-weight: 600; color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.5px;
}
.erp-input, .erp-select, .erp-textarea {
  width: 100%;
  padding: 10px 13px;
  border: 1.5px solid var(--border);
  border-radius: 9px;
  font-size: 13.5px; color: var(--text-primary);
  background: rgba(255,255,255,0.85);
  transition: border-color 0.18s, box-shadow 0.18s, background 0.18s;
  outline: none;
  min-height: 40px;
}
.erp-input::placeholder, .erp-textarea::placeholder { color: var(--text-muted); }
.erp-input:hover:not(:focus), .erp-select:hover:not(:focus), .erp-textarea:hover:not(:focus) {
  border-color: var(--border-strong);
}
.erp-input:focus, .erp-select:focus, .erp-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
  background: #fff;
}
.erp-textarea { resize: vertical; min-height: 88px; }
[data-theme="dark"] .erp-input,
[data-theme="dark"] .erp-select,
[data-theme="dark"] .erp-textarea { background: rgba(255,255,255,0.04); }

/* =========================================================
   SEARCH BAR
========================================================= */
.erp-search-bar {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 16px; flex-wrap: wrap;
}
.erp-search-input-wrap { position: relative; flex: 1; min-width: 200px; }
.erp-search-input-wrap svg {
  position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  width: 15px; height: 15px; color: var(--text-muted); pointer-events: none;
}
.erp-search-input-wrap .erp-input { padding-left: 36px; }
.erp-filter-select {
  padding: 9.5px 13px; min-width: 150px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px; color: var(--text-primary);
  background: rgba(255,255,255,0.85); cursor: pointer; outline: none;
  transition: border-color 0.18s;
}
.erp-filter-select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }

/* =========================================================
   MODAL
========================================================= */
.erp-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 500;
  display: none;
  align-items: center; justify-content: center;
  padding: 24px;
}
.erp-modal-overlay.open { display: flex; }
.erp-modal {
  background: #FBFAF6;
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 60px rgba(25,26,18,0.2), 0 6px 16px rgba(25,26,18,0.1);
  border: 1px solid var(--border);
  width: 100%; max-width: 560px;
  max-height: 90vh; overflow-y: auto;
  animation: modalIn 0.25s cubic-bezier(0.34,1.56,0.64,1);
}
.erp-modal-lg { max-width: 780px; }
.erp-modal-xl { max-width: 1000px; }
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.94) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.erp-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; border-bottom: 1px solid var(--border);
}
.erp-modal-title { font-size: 16px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.3px; }
.erp-modal-body  { padding: 24px; }
.erp-modal-footer {
  display: flex; align-items: center; justify-content: flex-end;
  gap: 8px; padding: 14px 24px;
  border-top: 1px solid var(--border);
}
[data-theme="dark"] .erp-modal-footer { background: rgba(255,255,255,0.02); }
.erp-modal-close {
  background: none; border: none;
  width: 30px; height: 30px;
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 17px; line-height: 1;
  transition: var(--transition);
}
.erp-modal-close:hover { background: var(--danger-light); color: var(--danger); }

/* =========================================================
   PROGRESS BAR
========================================================= */
.erp-progress { height: 7px; background: var(--gray-200); border-radius: 20px; overflow: hidden; display: inline-block; min-width: 80px; vertical-align: middle; }
.erp-progress-bar { height: 100%; border-radius: 20px; transition: width 0.7s cubic-bezier(0.4,0,0.2,1); }
.erp-progress-bar.blue   { background: linear-gradient(90deg, var(--primary), #60a5fa); }
.erp-progress-bar.green  { background: linear-gradient(90deg, #059669, var(--success)); }
.erp-progress-bar.gold   { background: linear-gradient(90deg, #d97706, var(--gold)); }
.erp-progress-bar.red    { background: linear-gradient(90deg, #dc2626, var(--danger)); }

/* =========================================================
   KANBAN (CRM)
========================================================= */
.erp-kanban { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 12px; }
.erp-kanban::-webkit-scrollbar { height: 5px; }
.erp-kanban::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 4px; }
.erp-kanban-col { flex: 1; min-width: 220px; max-width: 280px; }
.erp-kanban-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 13px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  font-size: 11.5px; font-weight: 700; color: #fff;
  letter-spacing: 0.2px;
}
.erp-kanban-body {
  background: var(--gray-50);
  border: 1px solid var(--border); border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: 8px; min-height: 300px;
  display: flex; flex-direction: column; gap: 7px;
}
[data-theme="dark"] .erp-kanban-body { background: rgba(255,255,255,0.02); }
.erp-kanban-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  cursor: grab; transition: var(--transition);
}
.erp-kanban-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: var(--border-strong); }
.erp-kanban-card-name { font-size: 12.5px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.erp-kanban-card-info { font-size: 11px; color: var(--text-muted); }
.erp-kanban-card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 9px; }
.kc-new          { background: var(--info);    }
.kc-contacted    { background: var(--primary); }
.kc-interested   { background: #d97706; }
.kc-converted    { background: var(--success); }
.kc-enrolled     { background: var(--success); }
.kc-demo         { background: var(--purple);  }
.kc-negotiation  { background: var(--warning); color: #111; }
.kc-lost         { background: var(--gray-500); }
.kc-not-interested { background: var(--gray-500); }

/* =========================================================
   TOAST NOTIFICATIONS
========================================================= */
.erp-toast-container {
  position: fixed; bottom: 20px; right: 20px;
  z-index: 9999; display: flex; flex-direction: column; gap: 8px;
  pointer-events: none;
}
.erp-toast {
  display: flex; align-items: flex-start; gap: 12px;
  background: #FBFAF6;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 13px 16px;
  box-shadow: 0 12px 32px rgba(25,26,18,0.14), 0 2px 8px rgba(25,26,18,0.08);
  min-width: 280px; max-width: 360px;
  animation: toastIn 0.3s cubic-bezier(0.34,1.56,0.64,1);
  pointer-events: all;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px) scale(0.96); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}
.erp-toast-icon { font-size: 17px; flex-shrink: 0; margin-top: 1px; }
.erp-toast-content { flex: 1; }
.erp-toast-title { font-size: 13px; font-weight: 700; color: var(--text-primary); }
.erp-toast-msg   { font-size: 12px; color: var(--text-muted); margin-top: 2px; line-height: 1.5; }
.erp-toast.success { border-left: 3px solid var(--success); }
.erp-toast.error   { border-left: 3px solid var(--danger); }
.erp-toast.info    { border-left: 3px solid var(--primary); }
.erp-toast.warning { border-left: 3px solid var(--warning); }

/* =========================================================
   PLACEMENT STATS
========================================================= */
.erp-placement-stats {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-bottom: 22px;
}
.erp-place-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px; text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.erp-place-stat:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.erp-place-stat-val { font-size: 30px; font-weight: 800; color: var(--primary); letter-spacing: -1px; line-height: 1.15; }
.erp-place-stat-lbl { font-size: 12px; color: var(--text-muted); margin-top: 4px; font-weight: 500; }

/* =========================================================
   NOTIFICATIONS
========================================================= */
.erp-notif-type-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; margin-bottom: 20px; }
.erp-notif-type-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px; cursor: pointer; transition: var(--transition); text-align: center;
}
.erp-notif-type-card.selected { border-color: var(--primary); background: var(--primary-light); }
.erp-notif-type-card:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.erp-notif-type-icon { font-size: 26px; margin-bottom: 8px; }
.erp-notif-type-name { font-size: 13px; font-weight: 600; color: var(--text-primary); }

/* =========================================================
   MATERIAL CARDS
========================================================= */
.erp-materials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.erp-material-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px; transition: var(--transition);
}
.erp-material-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: var(--primary); }
.erp-material-icon { font-size: 30px; margin-bottom: 12px; }
.erp-material-title { font-size: 13.5px; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; letter-spacing: -0.1px; }
.erp-material-meta  { font-size: 11.5px; color: var(--text-muted); }

/* =========================================================
   FEE SUMMARY
========================================================= */
.erp-fee-summary {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-bottom: 20px;
}
.erp-fee-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 18px;
  transition: var(--transition);
}
.erp-fee-item:hover { box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.erp-fee-amount { font-size: 23px; font-weight: 800; color: var(--text-primary); letter-spacing: -0.5px; line-height: 1.2; }
.erp-fee-label  { font-size: 12px; color: var(--text-muted); font-weight: 500; margin-top: 4px; }

/* =========================================================
   ACTIVITY FEED
========================================================= */
.erp-activity-feed { display: flex; flex-direction: column; }
.erp-activity-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 11px 0; border-bottom: 1px solid var(--border);
}
.erp-activity-item:last-child { border-bottom: none; }
.erp-activity-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--primary); margin-top: 6px; flex-shrink: 0;
}
.erp-activity-icon {
  width: 32px; height: 32px; border-radius: 9px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.erp-activity-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.erp-activity-text { font-size: 13px; color: var(--text-primary); line-height: 1.5; }
.erp-activity-time { font-size: 11px; color: var(--text-muted); white-space: nowrap; }

/* =========================================================
   CERTIFICATE
========================================================= */
.erp-cert-preview {
  background: linear-gradient(135deg, #0c1a3e 0%, #1a56db 100%);
  border-radius: var(--radius-lg); padding: 40px;
  color: #fff; text-align: center; position: relative; overflow: hidden;
}
.erp-cert-preview::before {
  content: ''; position: absolute; inset: 14px;
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: 10px; pointer-events: none;
}
.erp-cert-logo { font-size: 12px; font-weight: 800; color: var(--gold); letter-spacing: 2.5px; margin-bottom: 16px; text-transform: uppercase; }
.erp-cert-title { font-size: 27px; font-weight: 300; margin-bottom: 8px; opacity: 0.78; }
.erp-cert-name { font-size: 36px; font-weight: 900; margin-bottom: 8px; letter-spacing: -0.5px; }
.erp-cert-course { font-size: 15px; margin-bottom: 4px; opacity: 0.85; }
.erp-cert-date { font-size: 13px; opacity: 0.55; margin-bottom: 24px; }
.erp-cert-id { font-size: 10.5px; opacity: 0.45; letter-spacing: 1.2px; }

/* =========================================================
   EXAM ENGINE
========================================================= */
.erp-exam-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 32px; max-width: 720px; margin: 0 auto;
  box-shadow: var(--shadow-md);
}
.erp-exam-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.erp-exam-title { font-size: 16px; font-weight: 800; color: var(--text-primary); letter-spacing: -0.2px; }
.erp-exam-timer-wrap, .erp-exam-timer {
  display: flex; align-items: center; gap: 8px;
  background: var(--danger-light); color: var(--danger);
  padding: 7px 15px; border-radius: 20px;
  font-size: 16px; font-weight: 800; font-variant-numeric: tabular-nums;
  border: 1px solid rgba(239,68,68,0.2);
}
.erp-exam-progress { margin-bottom: 24px; }
.erp-exam-q-num { font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; }
.erp-exam-question { font-size: 16px; font-weight: 700; color: var(--text-primary); margin-bottom: 20px; line-height: 1.55; }
.erp-exam-options { display: flex; flex-direction: column; gap: 9px; margin-bottom: 28px; }
.erp-exam-option {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 17px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); cursor: pointer;
  transition: var(--transition); font-size: 14px; color: var(--text-primary);
}
.erp-exam-option:hover { border-color: var(--primary); background: var(--primary-light); transform: translateX(3px); }
.erp-exam-option.selected { border-color: var(--primary); background: var(--primary-light); }
.erp-exam-option.correct  { border-color: var(--success); background: var(--success-light); }
.erp-exam-option.wrong    { border-color: var(--danger);  background: var(--danger-light); }
.erp-exam-option-letter {
  width: 26px; height: 26px; flex-shrink: 0;
  background: var(--gray-100); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 11.5px;
}

/* =========================================================
   ATTENDANCE
========================================================= */
.erp-attend-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 16px; border-bottom: 1px solid var(--border);
  transition: background 0.12s;
}
.erp-attend-row:last-child { border-bottom: none; }
.erp-attend-row:hover { background: var(--gray-50); }
.erp-attend-student { display: flex; align-items: center; gap: 12px; }
.erp-attend-radio { display: flex; align-items: center; gap: 6px; }
.erp-attend-radio label {
  display: flex; align-items: center; gap: 5px;
  font-size: 12.5px; cursor: pointer; padding: 5px 10px;
  border-radius: 6px; border: 1.5px solid var(--border); transition: var(--transition);
}
.erp-attend-radio input[type="radio"] { display: none; }
.erp-attend-radio input[type="radio"]:checked + label.present { background: var(--success-light); border-color: var(--success); color: #047857; font-weight: 700; }
.erp-attend-radio input[type="radio"]:checked + label.absent  { background: var(--danger-light);  border-color: var(--danger);  color: #b91c1c; font-weight: 700; }
.erp-attend-radio input[type="radio"]:checked + label.late    { background: var(--warning-light); border-color: var(--warning); color: #92400e; font-weight: 700; }

/* =========================================================
   WELCOME BANNER
========================================================= */
.erp-welcome-banner {
  background: linear-gradient(135deg, #4F46E5 0%, #6366F1 55%, #818CF8 100%);
  border-radius: var(--radius-lg); padding: 26px 30px;
  margin-bottom: 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap; color: #fff; position: relative; overflow: hidden;
  box-shadow: 0 8px 40px rgba(79,70,229,0.35), inset 0 1px 0 rgba(255,255,255,0.08);
  border: 1px solid rgba(129,140,248,0.2);
}
.erp-welcome-banner::before {
  content: ''; position: absolute; right: -60px; top: -60px;
  width: 260px; height: 260px;
  background: rgba(255,255,255,0.04); border-radius: 50%;
}
.erp-welcome-banner::after {
  content: ''; position: absolute; right: 80px; bottom: -80px;
  width: 160px; height: 160px;
  background: rgba(255,255,255,0.03); border-radius: 50%;
}
.erp-welcome-title { font-size: 21px; font-weight: 800; margin-bottom: 4px; letter-spacing: -0.4px; }
.erp-welcome-sub   { font-size: 13px; opacity: 0.7; }

/* =========================================================
   TEACHER TABS
========================================================= */
.teacher-tabs { display: flex; gap: 0; border-bottom: 1.5px solid var(--border); margin-bottom: 22px; }
.teacher-tab {
  padding: 9px 18px; font-size: 13px; font-weight: 600;
  color: var(--text-muted); cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -1.5px;
  transition: var(--transition);
}
.teacher-tab:hover { color: var(--primary); }
.teacher-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* =========================================================
   LEGACY GRID COMPATIBILITY
========================================================= */
.erp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}
.erp-col-1 { grid-column: span 1; }
.erp-col-2 { grid-column: span 2; }
.erp-col-3 { grid-column: span 1; }
.erp-col-4  { grid-column: span 4; }
.erp-col-12 { grid-column: 1 / -1; }
.erp-stat-card .val {
  font-size: 26px; font-weight: 800;
  color: var(--text-primary); margin-top: 4px;
  letter-spacing: -0.5px;
}
.erp-stat-card h3 {
  font-size: 11.5px; font-weight: 600;
  color: var(--text-muted); text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 0;
}

/* =========================================================
   LOGIN PAGE
========================================================= */
.erp-login-page {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg-page, #F1F0EA);
  display: flex; align-items: center; justify-content: center;
  padding: 24px; position: relative; overflow: hidden;
}
.erp-login-page::before {
  background-image:
    linear-gradient(rgba(129,140,248,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(129,140,248,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  position: absolute; inset: 0; content: '';
  pointer-events: none;
}
.erp-login-page::before {
  content: ''; position: absolute;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(79,70,229,0.22) 0%, transparent 65%);
  border-radius: 50%; top: -250px; right: -250px;
  animation: pulse 9s ease-in-out infinite;
}
.erp-login-page::after {
  content: ''; position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(129,140,248,0.14) 0%, transparent 65%);
  border-radius: 50%; bottom: -120px; left: -120px;
  animation: pulse 11s ease-in-out infinite reverse;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.08); opacity: 1; }
}
.erp-login-card {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(32px) saturate(1.8);
  -webkit-backdrop-filter: blur(32px) saturate(1.8);
  border-radius: 22px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(129,140,248,0.2), 0 0 60px rgba(79,70,229,0.15);
  width: 100%; max-width: 420px;
  padding: 46px 38px;
  position: relative; z-index: 1;
  animation: loginIn 0.45s cubic-bezier(0.34,1.56,0.64,1);
  border-top: 1px solid rgba(255,255,255,0.6);
  border-left: 1px solid rgba(255,255,255,0.4);
}
@keyframes loginIn {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
[data-theme="dark"] .erp-login-card {
  background: rgba(24,23,42,0.96);
  backdrop-filter: blur(32px) saturate(2);
  box-shadow: 0 32px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(129,140,248,0.18), 0 0 60px rgba(79,70,229,0.12);
  border-top: 1px solid rgba(129,140,248,0.15);
  border-left: 1px solid rgba(129,140,248,0.1);
}
.erp-login-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 30px; }
.erp-login-logo-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--primary), #60a5fa);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 17px; color: #fff;
  box-shadow: 0 6px 18px rgba(79,70,229,0.38);
}
.erp-login-logo-text strong { display: block; font-size: 17px; font-weight: 800; color: #111; letter-spacing: -0.3px; }
.erp-login-logo-text span { font-size: 11.5px; color: #888; font-weight: 400; }
[data-theme="dark"] .erp-login-logo-text strong { color: var(--text-primary); }
[data-theme="dark"] .erp-login-logo-text span   { color: var(--text-muted); }
.erp-login-title { font-size: 25px; font-weight: 800; color: #111; margin-bottom: 6px; letter-spacing: -0.5px; }
.erp-login-subtitle { font-size: 13px; color: #777; margin-bottom: 28px; }
[data-theme="dark"] .erp-login-title    { color: var(--text-primary); }
[data-theme="dark"] .erp-login-subtitle { color: var(--text-muted); }

/* =========================================================
   OVERLAY (mobile)
========================================================= */
.erp-overlay-drop {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(0,0,0,0.4); display: none;
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}
.erp-overlay-drop.open { display: block; }

/* =========================================================
   UTILITY CLASSES
========================================================= */
.erp-flex         { display: flex; }
.erp-flex-center  { display: flex; align-items: center; }
.erp-gap-8   { gap: 8px; }
.erp-gap-12  { gap: 12px; }
.erp-gap-16  { gap: 16px; }
.erp-grid-2  { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.erp-grid-3  { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.erp-mb-8    { margin-bottom: 8px; }
.erp-mb-12   { margin-bottom: 12px; }
.erp-mb-16   { margin-bottom: 16px; }
.erp-mb-24   { margin-bottom: 24px; }
.erp-text-sm      { font-size: 12px; }
.erp-text-muted   { color: var(--text-muted); }
.erp-text-primary { color: var(--primary); }
.erp-text-success { color: var(--success); }
.erp-text-danger  { color: var(--danger); }
.erp-fw-700  { font-weight: 700; }
.erp-fw-600  { font-weight: 600; }
.erp-text-center { text-align: center; }
.erp-w-full  { width: 100%; }
.erp-divider { height: 1px; background: var(--border); margin: 20px 0; }
.erp-mt-0  { margin-top: 0 !important; }
.erp-p-0   { padding: 0 !important; }

/* Info box */
.erp-info-box {
  background: var(--primary-light);
  border: 1px solid rgba(79,70,229,0.18);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-size: 13px; color: var(--primary);
  line-height: 1.5;
}

/* =========================================================
   RESPONSIVE — COMPREHENSIVE
   Breakpoints: 1200 → 1024 → 900 → 768 → 640 → 480 → 380
========================================================= */

/* ── 1200px : Large tablet ─────────────────────────────── */
@media (max-width: 1200px) {
  .erp-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── 1024px : Tablet ──────────────────────────────────── */
@media (max-width: 1024px) {
  .erp-charts-grid { grid-template-columns: 1fr; }
  .erp-grid { grid-template-columns: repeat(2, 1fr); }
  .erp-form-grid.cols-3 { grid-template-columns: 1fr 1fr; }
}

/* ── 900px ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .erp-grid-2 { grid-template-columns: 1fr !important; }
  .erp-charts-grid { grid-template-columns: 1fr !important; }
}

/* ── 768px : Mobile / tablet pivot ────────────────────── */
@media (max-width: 768px) {

  /* ── Glass / performance tuning for phones ──────────────
     - Lighter blur: heavy backdrop-filter jank-scrolls on mobile GPUs.
     - Fixed background attachment is broken on iOS Safari — use scroll. */
  :root { --glass-blur: blur(14px) saturate(1.5); }

  /* Sidebar — slide off-screen; overlay closes it.
     Opaque on mobile so nav stays readable while it floats over content. */
  .erp-sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-w) !important;
    z-index: 300;
    background: rgba(255,255,255,0.98);
    backdrop-filter: none; -webkit-backdrop-filter: none;
    transition: transform 0.3s cubic-bezier(0.4,0,0.2,1),
                box-shadow 0.3s;
  }
  [data-theme="dark"] .erp-sidebar { background: rgba(22,21,15,0.99); }
  .erp-sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: 8px 0 48px rgba(30,27,75,0.28);
  }
  .erp-main { margin-left: 0 !important; }

  /* Comfortable tap targets (≥44px) for nav + topbar controls */
  .erp-nav-link, .erp-nav-group-header { padding-top: 11px; padding-bottom: 11px; }
  .erp-topbar-btn, .erp-topbar-avatar, .erp-topbar-toggle { min-width: 40px; min-height: 40px; }

  /* Topbar */
  .erp-topbar { padding: 0 12px; padding-top: env(safe-area-inset-top); gap: 8px; height: calc(56px + env(safe-area-inset-top)); }
  .erp-breadcrumb { font-size: 12px; }
  /* Hub tab bar: adjust sticky top to match reduced mobile topbar height */
  .erp-hub-tabbar { top: 56px; }
  .erp-breadcrumb > span:not(strong),
  .erp-breadcrumb .erp-bc-link:first-child,
  .erp-breadcrumb .erp-bc-chevron:first-of-type { display: none; } /* hide "Dashboard ›" prefix on mobile */

  /* Content */
  .erp-content { padding: 14px 12px 24px; }

  /* Page header */
  .erp-page-header {
    flex-direction: column; align-items: flex-start; gap: 10px;
    margin-bottom: 16px;
  }
  .erp-page-title  { font-size: 17px; }
  .erp-page-subtitle { font-size: 12px; }
  .erp-page-actions { width: 100%; flex-wrap: wrap; gap: 6px; }

  /* Stats cards */
  .erp-stats-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 10px; }
  .erp-stat-card  { padding: 14px 12px; gap: 10px; }
  .erp-stat-icon  { width: 40px; height: 40px; font-size: 17px; }
  .erp-stat-value { font-size: 20px; }
  .erp-stat-label { font-size: 11.5px; }

  /* Charts */
  .erp-charts-grid { grid-template-columns: 1fr !important; }

  /* Tables — horizontal scroll */
  .erp-table-wrap,
  .erp-table-container,
  .erp-table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
  }
  .erp-table { min-width: 600px; }
  .erp-table td, .erp-table th { padding: 10px 12px; }

  /* Table action cells — don't wrap */
  .erp-table td:last-child > div { flex-wrap: nowrap !important; }

  /* Search / filter bar */
  .erp-search-bar {
    flex-direction: column; align-items: stretch; gap: 8px;
  }
  .erp-search-input-wrap { min-width: 0; }
  .erp-filter-select { min-width: 0; width: 100%; }

  /* Form grids → 2-col inside modals / pages */
  .erp-form-grid,
  .erp-form-grid.cols-3 { grid-template-columns: 1fr 1fr !important; }

  /* Opt-in utility: any inline multi-column row stacks to one column on mobile */
  .erp-stack-mobile { grid-template-columns: 1fr !important; }

  /* Kanban (CRM) */
  .erp-kanban { flex-direction: column; }
  .erp-kanban-col { max-width: 100%; min-width: 0; }

  /* Fee summary */
  .erp-fee-summary { grid-template-columns: 1fr 1fr; }

  /* Placement stats */
  .erp-placement-stats { grid-template-columns: 1fr 1fr !important; }

  /* Notification type cards */
  .erp-notif-type-grid { grid-template-columns: 1fr 1fr; }

  /* Generic grid */
  .erp-grid { grid-template-columns: repeat(2, 1fr); }

  /* Login */
  .erp-login-card {
    padding: 28px 20px; max-width: calc(100vw - 32px);
  }

  /* Certificate preview */
  .erp-cert-preview { padding: 24px 16px; }
  .erp-cert-name    { font-size: 22px; }
  .erp-cert-title   { font-size: 16px; }

  /* Exam card */
  .erp-exam-card    { padding: 20px 16px; }
  .erp-exam-header  { flex-direction: column; align-items: flex-start; gap: 10px; }
  .erp-exam-question { font-size: 14px; }

  /* Invoice tabs */
  .erp-inv-tabs   { overflow-x: auto; padding: 0 10px; }
  .erp-inv-tab    { padding: 10px 12px; font-size: 12.5px; flex-shrink: 0; }
  .erp-inv-toolbar { padding: 10px 12px; gap: 6px; }
  .erp-inv-search  { min-width: 0; max-width: none; flex: 1; }

  /* Toast */
  .erp-toast-container { bottom: 10px; right: 10px; left: 10px; }
  .erp-toast { min-width: 0; max-width: 100%; width: 100%; }

  /* Modals — bottom-sheet */
  .erp-modal-overlay { padding: 0; align-items: flex-end; }
  .erp-modal {
    border-radius: var(--radius-xl) var(--radius-xl) 0 0 !important;
    max-width: 100% !important;
    width: 100%;
    max-height: 94vh;
    animation: modalInMobile 0.32s cubic-bezier(0.34,1.56,0.64,1);
  }
  @keyframes modalInMobile {
    from { transform: translateY(100%); opacity: 0.8; }
    to   { transform: translateY(0);   opacity: 1; }
  }
  .erp-modal-header { padding: 14px 16px; }
  .erp-modal-body   { padding: 16px; }
  .erp-modal-footer { padding: 10px 16px; }

  /* Attendance rows */
  .erp-attend-row { flex-wrap: wrap; gap: 8px; }
  .erp-attend-radio { flex-wrap: wrap; gap: 4px; }
}

/* ── 640px : Small phones ─────────────────────────────── */
@media (max-width: 640px) {

  /* All form grids → single column */
  .erp-form-grid,
  .erp-form-grid.cols-3,
  .erp-form-grid.cols-2 { grid-template-columns: 1fr !important; }

  /* Fee summary → single col */
  .erp-fee-summary { grid-template-columns: 1fr !important; }

  /* Placement stats → single col */
  .erp-placement-stats { grid-template-columns: 1fr !important; }

  /* Page actions → full-width stacked */
  .erp-page-actions { flex-direction: column; align-items: stretch; }
  .erp-page-actions > .erp-btn { width: 100%; justify-content: center; }

  /* Stat cards */
  .erp-stat-card  { padding: 12px 10px; gap: 8px; }
  .erp-stat-icon  { width: 34px; height: 34px; font-size: 14px; }
  .erp-stat-value { font-size: 17px; letter-spacing: -0.3px; }

  /* Hide table action button labels on tiny screens */
  .erp-btn.erp-btn-sm .btn-text { display: none; }

  /* Hide role badge + extra topbar tags (e.g. partner "VIEW ONLY") */
  .erp-role-badge { display: none; }
  .erp-topbar-tag { display: none !important; }

  /* Keep the topbar title from pushing actions off-screen */
  .erp-topbar-title { font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
  .erp-topbar-actions { flex-shrink: 0; }

  /* Notif cards → 1 col */
  .erp-notif-type-grid { grid-template-columns: 1fr !important; }

  /* Exam timer and question on same line */
  .erp-exam-timer-wrap, .erp-exam-timer {
    font-size: 13px; padding: 5px 12px;
  }

  /* Card body padding */
  .erp-card-body { padding: 14px; }
  .erp-card-header { padding: 12px 14px; }
}

/* ── 480px : Very small / iPhone SE ───────────────────── */
@media (max-width: 480px) {
  .erp-stats-grid { grid-template-columns: 1fr 1fr !important; gap: 8px; }
  .erp-grid       { grid-template-columns: 1fr !important; }
  .erp-content    { padding: 10px 8px 20px; }
  .erp-topbar     { padding: 0 8px; padding-top: env(safe-area-inset-top); height: calc(52px + env(safe-area-inset-top)); }
  .erp-hub-tabbar { top: 52px; }
  .erp-hub-tab    { padding: 0 10px; height: 38px; font-size: 12.5px; }
  .erp-page-title { font-size: 15px; }
  .erp-table td, .erp-table th { padding: 8px 10px; font-size: 12px; }
  .erp-stat-value { font-size: 15px; }
  .erp-stat-icon  { width: 30px; height: 30px; font-size: 13px; }

  /* Login card */
  .erp-login-card { padding: 22px 14px; }
}

/* ── 380px : Tiny phones ──────────────────────────────── */
@media (max-width: 380px) {
  .erp-stats-grid { grid-template-columns: 1fr !important; }
  .erp-topbar-btn,
  .erp-topbar-avatar { width: 30px; height: 30px; font-size: 11px; }
  .erp-stat-card { flex-direction: row; align-items: center; }
}

/* =========================================================
   PAGE-SPECIFIC RESPONSIVE HELPERS
   (classes added to inline-styled elements so media queries can reach them)
========================================================= */

/* student-fees.html — 4-col fee summary */
@media (max-width: 768px) {
  .erp-fee-stats-row { grid-template-columns: repeat(2, 1fr) !important; gap: 14px !important; }
}
@media (max-width: 480px) {
  .erp-fee-stats-row { grid-template-columns: repeat(2, 1fr) !important; gap: 10px !important; }
  .erp-fee-stats-row > div > div:first-child { font-size: 20px !important; }
}

/* Generic inline grid helpers used across pages */
@media (max-width: 768px) {
  /* 3-column section headers in detail views */
  [class*="detail-grid-3"],
  .resp-3col { grid-template-columns: 1fr 1fr !important; }
}
@media (max-width: 640px) {
  [class*="detail-grid-3"],
  .resp-3col,
  .resp-2col { grid-template-columns: 1fr !important; }
}

/* Overlay for mobile sidebar close */
.erp-overlay-drop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 290;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  cursor: pointer;
  transition: opacity 0.2s;
}
.erp-overlay-drop.open { display: block; }

/* ── PARTNER (VIEWER) VIEW-ONLY MODE ─────────────────────────
   Primary lockdown is ERPViewOnly.lock() in erp-script.js, which disables
   any button/link whose text, aria-label or title reads as a mutating
   action, plus every input inside an .erp-modal. The rules below are
   defense-in-depth: known-dangerous classes are dimmed even before that
   JS pass runs, and .erp-locked (added by the JS) always renders as
   visually inert regardless of what selector caught it. */
.partner-view .erp-btn-primary:not(.pv-allow),
.partner-view .erp-btn-danger:not(.pv-allow),
.partner-view [data-modal-open]:not(.pv-allow) {
  opacity: 0.45;
  pointer-events: none;
  cursor: not-allowed;
}
.partner-view .erp-locked {
  opacity: 0.45 !important;
  pointer-events: none !important;
  cursor: not-allowed !important;
}
.partner-view .erp-modal input:disabled,
.partner-view .erp-modal select:disabled,
.partner-view .erp-modal textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--bg-secondary, #f1f5f9);
}

/* =========================================================
   FUTURISTIC THEME — CYBERPUNK OVERRIDES
   All rules are either [data-theme="dark"] scoped or
   apply universal visual upgrades (glows, animations).
   Zero structural / layout changes.
========================================================= */

/* ── Keyframe Animations ─────────────────────────────── */
@keyframes brand-glow {
  0%, 100% { box-shadow: 0 4px 16px rgba(79,70,229,0.45), 0 0 0 1px rgba(255,255,255,0.08); }
  50%       { box-shadow: 0 4px 24px rgba(129,140,248,0.55), 0 0 0 1px rgba(255,255,255,0.12); }
}
@keyframes erp-fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes erp-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Typography refinements ──────────────────────────── */
.erp-page-title   { font-family: 'Inter', sans-serif; letter-spacing: -0.5px; }
.erp-stat-value   { font-family: 'Inter', sans-serif; }
.erp-brand-text strong { font-family: 'Inter', sans-serif; letter-spacing: -0.4px; }
.erp-modal-title  { font-family: 'Inter', sans-serif; }
.erp-card-title   { font-family: 'Inter', sans-serif; }

/* ── Entrance animations ─────────────────────────────── */
.erp-stats-grid .erp-stat-card {
  animation: erp-fade-up 0.45s cubic-bezier(0.16,1,0.3,1) both;
}
.erp-stats-grid .erp-stat-card:nth-child(1) { animation-delay: 0.03s; }
.erp-stats-grid .erp-stat-card:nth-child(2) { animation-delay: 0.08s; }
.erp-stats-grid .erp-stat-card:nth-child(3) { animation-delay: 0.13s; }
.erp-stats-grid .erp-stat-card:nth-child(4) { animation-delay: 0.18s; }
.erp-stats-grid .erp-stat-card:nth-child(5) { animation-delay: 0.23s; }
.erp-stats-grid .erp-stat-card:nth-child(6) { animation-delay: 0.28s; }
.erp-content > .erp-card {
  animation: erp-fade-up 0.4s cubic-bezier(0.16,1,0.3,1) both;
  animation-delay: 0.06s;
}
/* Flat warm-grey page background */
body:not([data-theme="dark"]) {
  background: var(--bg-page);
}

/* Light theme: flat warm-grey card surfaces */
body:not([data-theme="dark"]) .erp-card {
  box-shadow: none;
  border-color: var(--border);
}
body:not([data-theme="dark"]) .erp-card:hover {
  box-shadow: none;
  border-color: var(--border-strong);
}
/* Stat card: flat warm-grey */
body:not([data-theme="dark"]) .erp-stat-card {
  box-shadow: none;
}
body:not([data-theme="dark"]) .erp-stat-card:hover {
  box-shadow: none;
  transform: translateY(-2px);
}

/* ── Dark Mode — Page Background (flat) ──────────────── */
[data-theme="dark"] body,
body[data-theme="dark"] {
  background-color: var(--bg-page);
  background-image: none;
}

/* ── Dark Mode — Sidebar ──────────────────────────────── */
[data-theme="dark"] .erp-sidebar {
  background: #16150F;
  border-right: 1px solid rgba(255,255,255,0.07);
  box-shadow: none;
}
[data-theme="dark"] .erp-sidebar-brand {
  border-bottom: 1px solid rgba(255,255,255,0.07);
  background: transparent;
}
[data-theme="dark"] .erp-brand-text strong { color: #F1F5F9; }
[data-theme="dark"] .erp-brand-text span   { color: #64748B; }
[data-theme="dark"] .erp-nav-section-label,
[data-theme="dark"] .erp-nav-label { color: #475569; }
[data-theme="dark"] .erp-nav-link { color: #94A3B8; }
[data-theme="dark"] .erp-nav-link:hover {
  background: rgba(129,140,248,0.08);
  color: #818CF8;
}
[data-theme="dark"] .erp-nav-link.active {
  background: rgba(129,140,248,0.14);
  color: #818CF8;
  box-shadow: inset 3px 0 0 #818CF8;
  font-weight: 600;
}
[data-theme="dark"] .erp-nav-group-header { color: #94A3B8; }
[data-theme="dark"] .erp-nav-group-header:hover { background: rgba(129,140,248,0.08); color: #818CF8; }
[data-theme="dark"] .erp-nav-group-header.open { color: #818CF8; }
[data-theme="dark"] .erp-nav-group-children .erp-nav-link.active { color: #818CF8; }
[data-theme="dark"] .erp-nav-group-children .erp-nav-link.active::before {
  background: #818CF8;
  box-shadow: 0 0 6px rgba(129,140,248,0.5);
}
[data-theme="dark"] .erp-nav-sep { background: rgba(255,255,255,0.06); }
[data-theme="dark"] .erp-sidebar-footer { border-top: 1px solid rgba(255,255,255,0.06); }
[data-theme="dark"] .erp-sidebar-user:hover { background: rgba(129,140,248,0.08); }

/* ── Dark Mode — Topbar ───────────────────────────────── */
[data-theme="dark"] .erp-topbar {
  background: rgba(22,21,15,0.94);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
}
[data-theme="dark"] .erp-topbar-toggle:hover {
  background: rgba(129,140,248,0.1);
  color: #818CF8;
}
[data-theme="dark"] .erp-topbar-btn {
  border-color: rgba(255,255,255,0.1);
  color: #A1A1AA;
}
[data-theme="dark"] .erp-topbar-btn:hover {
  background: rgba(129,140,248,0.1);
  border-color: rgba(129,140,248,0.3);
  color: #818CF8;
}
[data-theme="dark"] .erp-notif-dot { border-color: rgba(22,21,15,0.94); }

/* ── Dark Mode — Cards ────────────────────────────────── */
[data-theme="dark"] .erp-card {
  background: #221F17;
  border: 1px solid rgba(255,255,255,0.07);
  box-shadow: 0 1px 3px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.03);
}
[data-theme="dark"] .erp-card:hover {
  border-color: rgba(129,140,248,0.2);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5), 0 0 0 1px rgba(129,140,248,0.1);
  transform: translateY(-1px);
}
[data-theme="dark"] .erp-card-header {
  background: rgba(129,140,248,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

/* ── Dark Mode — Stat Cards ───────────────────────────── */
[data-theme="dark"] .erp-stat-card {
  background: #221F17;
  border: 1px solid rgba(255,255,255,0.07);
}
[data-theme="dark"] .erp-stat-card:hover {
  border-color: rgba(129,140,248,0.22);
  box-shadow: 0 6px 24px rgba(0,0,0,0.55), 0 0 0 1px rgba(129,140,248,0.1);
  transform: translateY(-3px);
}
[data-theme="dark"] .erp-stat-card::before { opacity: 0.9; }
[data-theme="dark"] .erp-stat-icon.blue   { background: linear-gradient(135deg, #1a4fba, #2563eb); box-shadow: 0 6px 20px rgba(79,70,229,0.4); }
[data-theme="dark"] .erp-stat-icon.green  { background: linear-gradient(135deg, #047857, #059669); box-shadow: 0 6px 20px rgba(5,150,105,0.4); }
[data-theme="dark"] .erp-stat-icon.gold   { background: linear-gradient(135deg, #b45309, #d97706); box-shadow: 0 6px 20px rgba(217,119,6,0.4); }
[data-theme="dark"] .erp-stat-icon.red    { background: linear-gradient(135deg, #b91c1c, #dc2626); box-shadow: 0 6px 20px rgba(220,38,38,0.4); }
[data-theme="dark"] .erp-stat-icon.purple { background: linear-gradient(135deg, #4338CA, #6366F1); box-shadow: 0 6px 20px rgba(79,70,229,0.4); }
[data-theme="dark"] .erp-stat-icon.cyan   { background: linear-gradient(135deg, #0369a1, #0284c7); box-shadow: 0 6px 20px rgba(2,132,199,0.4); }
[data-theme="dark"] .erp-stat-icon.cyan   { background: linear-gradient(135deg, rgba(34,211,238,0.15), rgba(129,140,248,0.2));  box-shadow: 0 4px 14px rgba(34,211,238,0.22); }

/* ── Dark Mode — Buttons ──────────────────────────────── */
[data-theme="dark"] .erp-btn-primary {
  background: linear-gradient(135deg, #4F46E5 0%, #818CF8 100%);
  border-color: #6366F1;
  box-shadow: 0 4px 14px rgba(79,70,229,0.4), 0 2px 8px rgba(0,0,0,0.3);
  color: #fff;
}
[data-theme="dark"] .erp-btn-primary:hover {
  background: linear-gradient(135deg, #6366F1 0%, #818CF8 100%);
  box-shadow: 0 6px 20px rgba(79,70,229,0.55), 0 4px 12px rgba(0,0,0,0.4);
  transform: translateY(-1px);
}
[data-theme="dark"] .erp-btn-outline {
  background: rgba(129,140,248,0.07);
  color: #818CF8;
  border-color: rgba(129,140,248,0.28);
}
[data-theme="dark"] .erp-btn-outline:hover {
  background: rgba(129,140,248,0.14);
  border-color: rgba(129,140,248,0.5);
  box-shadow: 0 0 16px rgba(129,140,248,0.15);
}
[data-theme="dark"] .erp-btn-ghost {
  background: rgba(255,255,255,0.04);
  color: #A1A1AA;
  border-color: rgba(255,255,255,0.1);
}
[data-theme="dark"] .erp-btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  color: #F1F5F9;
  border-color: rgba(255,255,255,0.18);
}
[data-theme="dark"] .erp-btn-success {
  background: linear-gradient(135deg, #059669 0%, #34d399 100%);
  box-shadow: 0 0 14px rgba(52,211,153,0.2), 0 2px 8px rgba(0,0,0,0.4);
}
[data-theme="dark"] .erp-btn-success:hover { box-shadow: 0 0 22px rgba(52,211,153,0.35), 0 4px 12px rgba(0,0,0,0.5); }
[data-theme="dark"] .erp-btn-danger {
  background: linear-gradient(135deg, #dc2626 0%, #f87171 100%);
  box-shadow: 0 0 14px rgba(248,113,113,0.2), 0 2px 8px rgba(0,0,0,0.4);
}

/* ── Dark Mode — Tables ───────────────────────────────── */
[data-theme="dark"] .erp-table th {
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: #71717A;
}
[data-theme="dark"] .erp-table td {
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
[data-theme="dark"] .erp-table tbody tr:nth-child(even) td {
  background: rgba(129,140,248,0.02);
}
[data-theme="dark"] .erp-table tbody tr:hover td {
  background: rgba(129,140,248,0.07) !important;
}

/* ── Dark Mode — Forms ────────────────────────────────── */
[data-theme="dark"] .erp-input,
[data-theme="dark"] .erp-select,
[data-theme="dark"] .erp-textarea {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.1);
  color: #F1F5F9;
}
[data-theme="dark"] .erp-input:hover:not(:focus),
[data-theme="dark"] .erp-select:hover:not(:focus),
[data-theme="dark"] .erp-textarea:hover:not(:focus) {
  border-color: rgba(255,255,255,0.18);
}
[data-theme="dark"] .erp-input:focus,
[data-theme="dark"] .erp-select:focus,
[data-theme="dark"] .erp-textarea:focus {
  border-color: #818CF8;
  box-shadow: 0 0 0 3px rgba(129,140,248,0.15);
  background: rgba(129,140,248,0.06);
}
[data-theme="dark"] .erp-input::placeholder,
[data-theme="dark"] .erp-textarea::placeholder { color: #52525B; }
[data-theme="dark"] .erp-filter-select {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.1);
  color: #F1F5F9;
}
[data-theme="dark"] .erp-inv-search {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.1);
  color: #F1F5F9;
}

/* ── Dark Mode — Modals ───────────────────────────────── */
[data-theme="dark"] .erp-modal {
  background: #221F17;
  border: 1px solid rgba(255,255,255,0.09);
  box-shadow: 0 32px 80px rgba(0,0,0,0.75), 0 0 0 1px rgba(129,140,248,0.08);
}
[data-theme="dark"] .erp-modal-header { border-bottom: 1px solid rgba(255,255,255,0.07); }
[data-theme="dark"] .erp-modal-footer {
  background: rgba(129,140,248,0.04);
  border-top: 1px solid rgba(255,255,255,0.07);
}
[data-theme="dark"] .erp-modal-overlay { background: rgba(0,0,0,0.72); backdrop-filter: blur(6px); }

/* ── Dark Mode — Toasts ───────────────────────────────── */
[data-theme="dark"] .erp-toast {
  background: #221F17;
  border: 1px solid rgba(255,255,255,0.09);
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
}
[data-theme="dark"] .erp-toast.success { border-left: 3px solid #34d399; }
[data-theme="dark"] .erp-toast.error   { border-left: 3px solid #f87171; }
[data-theme="dark"] .erp-toast.info    { border-left: 3px solid #818CF8; }
[data-theme="dark"] .erp-toast.warning { border-left: 3px solid #fbbf24; }

/* ── Dark Mode — Badges ───────────────────────────────── */
[data-theme="dark"] .erp-badge-success { background: rgba(52,211,153,0.12);  color: #34d399; border: 1px solid rgba(52,211,153,0.2); }
[data-theme="dark"] .erp-badge-danger  { background: rgba(248,113,113,0.12); color: #f87171; border: 1px solid rgba(248,113,113,0.2); }
[data-theme="dark"] .erp-badge-warning { background: rgba(251,191,36,0.12);  color: #fbbf24; border: 1px solid rgba(251,191,36,0.2); }
[data-theme="dark"] .erp-badge-info    { background: rgba(34,211,238,0.12);  color: #22d3ee; border: 1px solid rgba(34,211,238,0.2); }
[data-theme="dark"] .erp-badge-primary { background: rgba(129,140,248,0.12);  color: #818CF8; border: 1px solid rgba(129,140,248,0.2); }
[data-theme="dark"] .erp-badge-purple  { background: rgba(192,132,252,0.12); color: #c084fc; border: 1px solid rgba(192,132,252,0.2); }
[data-theme="dark"] .erp-badge-gold    { background: rgba(251,191,36,0.12);  color: #fbbf24; border: 1px solid rgba(251,191,36,0.2); }
[data-theme="dark"] .erp-badge-gray    { background: rgba(255,255,255,0.06);  color: #A1A1AA; border: 1px solid rgba(255,255,255,0.1); }

/* ── Dark Mode — Progress Bars ────────────────────────── */
[data-theme="dark"] .erp-progress { background: rgba(129,140,248,0.1); }
[data-theme="dark"] .erp-progress-bar.blue   { background: linear-gradient(90deg, #4F46E5, #818CF8); box-shadow: 0 0 8px rgba(129,140,248,0.4); }
[data-theme="dark"] .erp-progress-bar.green  { background: linear-gradient(90deg, #059669, #34d399); box-shadow: 0 0 8px rgba(52,211,153,0.4); }
[data-theme="dark"] .erp-progress-bar.gold   { background: linear-gradient(90deg, #d97706, #fbbf24); box-shadow: 0 0 8px rgba(251,191,36,0.4); }
[data-theme="dark"] .erp-progress-bar.red    { background: linear-gradient(90deg, #dc2626, #f87171); box-shadow: 0 0 8px rgba(248,113,113,0.4); }

/* ── Dark Mode — Welcome Banner ───────────────────────── */
[data-theme="dark"] .erp-welcome-banner {
  background: linear-gradient(135deg, #16150F 0%, #221F17 40%, #312E81 70%, #4338CA 100%);
  border: 1px solid rgba(129,140,248,0.2);
  box-shadow: 0 8px 48px rgba(0,0,0,0.6), 0 0 40px rgba(79,70,229,0.1), inset 0 1px 0 rgba(129,140,248,0.1);
}

/* ── Dark Mode — Role Badges ──────────────────────────── */
[data-theme="dark"] .erp-role-badge.admin      { background: rgba(129,140,248,0.12);  color: #818CF8; border: 1px solid rgba(129,140,248,0.25); }
[data-theme="dark"] .erp-role-badge.manager    { background: rgba(34,211,238,0.12);  color: #22d3ee; border: 1px solid rgba(34,211,238,0.25); }
[data-theme="dark"] .erp-role-badge.teacher    { background: rgba(52,211,153,0.12);  color: #34d399; border: 1px solid rgba(52,211,153,0.25); }
[data-theme="dark"] .erp-role-badge.student    { background: rgba(251,191,36,0.12);  color: #fbbf24; border: 1px solid rgba(251,191,36,0.25); }
[data-theme="dark"] .erp-role-badge.staff      { background: rgba(192,132,252,0.12); color: #c084fc; border: 1px solid rgba(192,132,252,0.25); }
[data-theme="dark"] .erp-role-badge.partner    { background: rgba(34,211,238,0.1);   color: #22d3ee; border: 1px solid rgba(34,211,238,0.2); }
[data-theme="dark"] .erp-role-badge.superadmin { background: rgba(192,132,252,0.12); color: #c084fc; border: 1px solid rgba(192,132,252,0.25); }

/* ── Dark Mode — Kanban ───────────────────────────────── */
[data-theme="dark"] .erp-kanban-card {
  background: #221F17;
  border: 1px solid rgba(255,255,255,0.07);
}
[data-theme="dark"] .erp-kanban-card:hover {
  border-color: rgba(129,140,248,0.22);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
[data-theme="dark"] .erp-kanban-body {
  background: rgba(7,6,14,0.5);
  border-color: rgba(255,255,255,0.06);
}

/* ── Dark Mode — Exam Engine ──────────────────────────── */
[data-theme="dark"] .erp-exam-card {
  background: #221F17;
  border: 1px solid rgba(255,255,255,0.08);
}
[data-theme="dark"] .erp-exam-option {
  border-color: rgba(255,255,255,0.08);
  background: rgba(129,140,248,0.03);
}
[data-theme="dark"] .erp-exam-option:hover {
  border-color: rgba(129,140,248,0.32);
  background: rgba(129,140,248,0.08);
}
[data-theme="dark"] .erp-exam-option.selected {
  border-color: #818CF8;
  background: rgba(129,140,248,0.1);
  box-shadow: 0 0 0 3px rgba(129,140,248,0.12);
}

/* ── Dark Mode — Material Cards ───────────────────────── */
[data-theme="dark"] .erp-material-card {
  background: #221F17;
  border: 1px solid rgba(255,255,255,0.07);
}
[data-theme="dark"] .erp-material-card:hover {
  border-color: rgba(129,140,248,0.25);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

/* ── Dark Mode — Fee Cards ────────────────────────────── */
[data-theme="dark"] .erp-fee-item {
  background: #221F17;
  border: 1px solid rgba(129,140,248,0.1);
  backdrop-filter: blur(8px);
}

/* ── Dark Mode — Info Box ─────────────────────────────── */
[data-theme="dark"] .erp-info-box {
  background: rgba(129,140,248,0.08);
  border-color: rgba(129,140,248,0.22);
  border-left-color: #818CF8;
  color: #A5B4FC;
}

/* ── Dark Mode — Spinner ──────────────────────────────── */
[data-theme="dark"] .erp-spinner {
  border-color: rgba(129,140,248,0.15);
  border-top-color: #818CF8;
}

/* ── Dark Mode — Branch / Demo badges ────────────────── */
[data-theme="dark"] .erp-branch-badge {
  background: rgba(129,140,248,0.1);
  color: #818CF8;
  border-color: rgba(129,140,248,0.25);
}

/* ── Dark Mode — Sortable table headers ───────────────── */
[data-theme="dark"] .erp-sortable-th:hover {
  background: rgba(129,140,248,0.08);
  color: #818CF8;
}

/* ── Dark Mode — Tabs (teacher-tabs / erp-inv-tabs) ──── */
[data-theme="dark"] .erp-inv-tabs {
  background: rgba(22,21,15,0.7);
  border-bottom-color: rgba(255,255,255,0.07);
}
[data-theme="dark"] .erp-inv-tab:hover { color: #818CF8; }
[data-theme="dark"] .erp-inv-tab.active { color: #818CF8; border-bottom-color: #818CF8; }
[data-theme="dark"] .teacher-tab:hover  { color: #818CF8; }
[data-theme="dark"] .teacher-tab.active { color: #818CF8; border-bottom-color: #818CF8; }
[data-theme="dark"] .teacher-tabs { border-bottom-color: rgba(255,255,255,0.08); }

/* ── Dark Mode — Activity Feed ────────────────────────── */
[data-theme="dark"] .erp-activity-item { border-bottom-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .erp-activity-dot  { background: #818CF8; box-shadow: 0 0 6px rgba(129,140,248,0.4); }

/* ── Dark Mode — Placement Stats ─────────────────────── */
[data-theme="dark"] .erp-place-stat {
  background: #221F17;
  border: 1px solid rgba(255,255,255,0.07);
}
[data-theme="dark"] .erp-place-stat:hover { border-color: rgba(129,140,248,0.22); }
[data-theme="dark"] .erp-place-stat-val { color: #A5B4FC; }

/* ── Dark Mode — Login Page ───────────────────────────── */
[data-theme="dark"] .erp-login-page {
  background: linear-gradient(135deg, #16150F 0%, #221F17 30%, #312E81 65%, #4338CA 85%, #4F46E5 100%);
}
[data-theme="dark"] .erp-login-logo-text strong { color: #F1F5F9; }

/* ── Dark Mode — Placement cards ─────────────────────── */
[data-theme="dark"] .erp-notif-type-card {
  background: #221F17;
  border-color: rgba(255,255,255,0.08);
}
[data-theme="dark"] .erp-notif-type-card.selected {
  border-color: #818CF8;
  background: rgba(129,140,248,0.1);
}
[data-theme="dark"] .erp-notif-type-card:hover { border-color: rgba(129,140,248,0.3); }

/* ── Dark Mode — Mobile overlay ───────────────────────── */
[data-theme="dark"] .erp-overlay-drop { background: rgba(0,0,0,0.65); }

/* ── Page Title Gradient (dark mode) ───────────────────── */
[data-theme="dark"] .erp-page-title {
  background: linear-gradient(135deg, #E0E7FF 0%, #818CF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
[data-theme="dark"] .erp-card-title {
  color: #C7D2FE;
}

/* ── Stat Value gradient (dark mode) ────────────────────── */
[data-theme="dark"] .erp-stat-value {
  background: linear-gradient(135deg, #E0E7FF 0%, #818CF8 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Futuristic attend rows ─────────────────────────────── */
[data-theme="dark"] .erp-attend-row { border-bottom-color: rgba(129,140,248,0.07); }
[data-theme="dark"] .erp-attend-row:hover { background: rgba(129,140,248,0.04); }
[data-theme="dark"] .erp-attend-radio label { border-color: rgba(129,140,248,0.15); }
[data-theme="dark"] .erp-attend-radio input[type="radio"]:checked + label.present { background: rgba(52,211,153,0.12); border-color: #34d399; color: #34d399; }
[data-theme="dark"] .erp-attend-radio input[type="radio"]:checked + label.absent  { background: rgba(248,113,113,0.12); border-color: #f87171; color: #f87171; }
[data-theme="dark"] .erp-attend-radio input[type="radio"]:checked + label.late    { background: rgba(251,191,36,0.12); border-color: #fbbf24; color: #fbbf24; }

/* ── Futuristic breadcrumb (dark mode) ─────────────────── */
[data-theme="dark"] .erp-breadcrumb strong { color: #c8ddf0; }

/* ── Glow utility classes ──────────────────────────────── */
.erp-glow-blue   { box-shadow: 0 0 20px rgba(129,140,248,0.35) !important; }
.erp-glow-green  { box-shadow: 0 0 20px rgba(52,211,153,0.35) !important; }
.erp-glow-purple { box-shadow: 0 0 20px rgba(192,132,252,0.35) !important; }
.erp-text-glow   { text-shadow: 0 0 12px currentColor; }

/* =========================================================
   GLOBAL SEARCH OVERLAY (Ctrl+K)
   Self-injects on every authenticated page via ERPSearch.init()
   in erp-script.js — no per-page HTML changes needed.
========================================================= */
#erp-search-overlay {
  position: fixed; inset: 0; z-index: 9000;
  background: rgba(0,0,0,0.52);
  backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px);
  display: none; align-items: flex-start; justify-content: center;
  padding: 72px 16px 0;
  animation: srch-fade-in .15s ease;
}
#erp-search-overlay.open { display: flex; }
@keyframes srch-fade-in { from { opacity:0 } to { opacity:1 } }

.erp-search-box {
  width: 100%; max-width: 640px;
  background: #FBFAF6;
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: 0 24px 60px rgba(25,26,18,0.2), 0 6px 16px rgba(25,26,18,0.1);
  overflow: hidden;
  animation: srch-slide-in .18s cubic-bezier(.22,1,.36,1);
}
[data-theme="dark"] .erp-search-box {
  background: rgba(30,41,59,0.9);
  border-color: rgba(255,255,255,0.12);
}
@keyframes srch-slide-in { from { transform: translateY(-18px); opacity:0 } to { transform: translateY(0); opacity:1 } }

.erp-search-input-wrap {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 18px;
  border-bottom: 1.5px solid var(--border);
}
.erp-search-input-wrap > svg {
  width: 20px; height: 20px; flex-shrink: 0;
  stroke: var(--text-muted);
}
#erp-search-input {
  flex: 1; border: none; outline: none;
  font-size: 15px; font-weight: 500;
  background: transparent;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
}
#erp-search-input::placeholder { color: var(--text-muted); font-weight: 400; }
.erp-search-input-wrap kbd {
  font-size: 11px; color: var(--text-muted);
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: 5px; padding: 2px 8px;
  font-family: inherit; white-space: nowrap; flex-shrink: 0;
}

#erp-search-results { max-height: 440px; overflow-y: auto; padding: 6px 0; }
.erp-search-hint {
  padding: 36px 18px; text-align: center;
  color: var(--text-muted); font-size: 13px;
}
.erp-search-hint svg { display: block; margin: 0 auto 10px; opacity: .35; }
.erp-search-group {
  font-size: 10.5px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .7px;
  padding: 10px 18px 4px;
}
.erp-search-result {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 18px; text-decoration: none;
  color: var(--text-primary);
  transition: background .1s; cursor: pointer; border-radius: 0;
}
.erp-search-result:hover,
.erp-search-result.focused { background: var(--primary-light); }
.erp-search-result-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.erp-search-result-name { font-size: 13px; font-weight: 600; line-height: 1.3; }
.erp-search-result-sub  { font-size: 11.5px; color: var(--text-muted); margin-top: 1px; }
/* Button-based result rows (student quick-view) reset to look like the link rows */
button.erp-search-result {
  width: 100%; border: none; background: transparent;
  font-family: inherit; text-align: left;
}
/* Page navigation rows: square icon tile instead of round avatar */
.erp-search-result-icon {
  width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-light); color: var(--primary);
  border: 1px solid rgba(79,70,229,0.12);
}
.erp-search-result-icon svg { width: 17px; height: 17px; }
.erp-search-result-hint {
  margin-left: auto; flex-shrink: 0;
  font-size: 10.5px; font-weight: 600; color: var(--primary);
  background: var(--primary-light); border: 1px solid rgba(79,70,229,0.14);
  padding: 2px 9px; border-radius: 20px; opacity: 0; transition: opacity .12s;
}
.erp-search-result:hover .erp-search-result-hint,
.erp-search-result.focused .erp-search-result-hint { opacity: 1; }
.erp-search-no-results  {
  padding: 28px 18px; text-align: center;
  color: var(--text-muted); font-size: 13px;
}
.erp-search-footer {
  padding: 8px 18px;
  border-top: 1px solid var(--border);
  display: flex; gap: 14px; align-items: center;
  font-size: 11px; color: var(--text-muted);
}
.erp-search-footer kbd {
  background: var(--bg-page); border: 1px solid var(--border);
  border-radius: 4px; padding: 1px 6px; font-family: inherit;
}
/* Dark mode */
[data-theme="dark"] .erp-search-result:hover,
[data-theme="dark"] .erp-search-result.focused { background: rgba(129,140,248,0.1); }

/* =========================================================
   SLIDE-IN DETAIL PANEL (glass, right side)
   Self-injected via ERPPanel.init() in erp-script.js.
========================================================= */
.erp-panel-overlay {
  position: fixed; inset: 0; z-index: 8500;
  background: rgba(30,27,75,0.32);
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
  opacity: 0; pointer-events: none;
  transition: opacity .22s ease;
}
.erp-panel-overlay.open { opacity: 1; pointer-events: auto; }
.erp-panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: 360px; max-width: 90vw;
  background: #FBFAF6;
  border-left: 1px solid var(--border);
  box-shadow: -16px 0 48px rgba(25,26,18,0.14);
  padding: 18px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .26s cubic-bezier(.22,1,.36,1);
  display: flex; flex-direction: column; gap: 14px;
}
.erp-panel-overlay.open .erp-panel { transform: translateX(0); }
.erp-panel-head { display: flex; align-items: center; justify-content: space-between; }
.erp-panel-title { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .8px; color: var(--text-muted); }
.erp-panel-close {
  background: none; border: none; cursor: pointer;
  font-size: 22px; line-height: 1; color: var(--text-muted);
  width: 28px; height: 28px; border-radius: 8px; transition: background .12s, color .12s;
}
.erp-panel-close:hover { background: var(--primary-light); color: var(--primary); }
.erp-panel-id {
  display: flex; align-items: center; gap: 12px;
  padding: 12px; border-radius: 12px;
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--glass-edge, rgba(255,255,255,0.9));
}
.erp-panel-avatar {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; color: #fff;
}
.erp-panel-name { font-size: 15px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.2px; }
.erp-panel-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.erp-panel-section-label {
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
  color: var(--text-muted); margin-top: 2px;
}
.erp-panel-table { width: 100%; border-collapse: collapse; }
.erp-panel-table td { padding: 7px 0; font-size: 13px; border-bottom: 1px solid var(--border); }
.erp-panel-table tr:last-child td { border-bottom: none; }
.erp-panel-table td:first-child { color: var(--text-muted); }
.erp-panel-table td:last-child { text-align: right; font-weight: 600; color: var(--text-primary); }
.erp-panel-table td.ok   { color: #059669; }
.erp-panel-table td.warn { color: #d97706; }
.erp-panel-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 2px; }
.erp-panel-btn {
  display: block; text-align: center; text-decoration: none;
  padding: 9px 12px; border-radius: 9px; font-size: 13px; font-weight: 600;
  background: rgba(255,255,255,0.7); border: 1px solid var(--border); color: var(--text-secondary);
  transition: background .12s, border-color .12s, transform .1s;
}
.erp-panel-btn:hover { background: #fff; border-color: var(--border-strong); transform: translateY(-1px); }
.erp-panel-btn.primary {
  background: linear-gradient(135deg, var(--primary), #6366F1); color: #fff;
  border-color: var(--primary); box-shadow: 0 4px 14px rgba(79,70,229,0.3);
}
.erp-panel-btn.primary:hover { box-shadow: 0 6px 18px rgba(79,70,229,0.42); }
[data-theme="dark"] .erp-panel {
  background: rgba(30,41,59,0.92); border-left-color: rgba(255,255,255,0.1);
}
[data-theme="dark"] .erp-panel-id { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.08); }
[data-theme="dark"] .erp-panel-btn { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.1); color: var(--text-secondary); }
@media (max-width: 600px) { .erp-panel { width: 100%; max-width: 100%; } }
/* Touch devices have no hover — always reveal the quick-view affordance */
@media (hover: none) {
  .erp-search-result-hint { opacity: 1; }
}
/* Command palette on phones — sit higher, fill width, lighter blur */
@media (max-width: 640px) {
  #erp-search-overlay { padding: 12px 10px 0; backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); }
  .erp-search-box { max-width: 100%; border-radius: 14px; }
  #erp-search-results { max-height: 70vh; }
  .erp-search-result { padding: 12px 16px; }
}

/* =========================================================
   SCROLL-TO-TOP BUTTON
   Self-injects via ERPScrollTop.init() in erp-script.js.
   Appears on .erp-main scroll > 300px, hidden otherwise.
========================================================= */
#erp-scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 800;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.12);
  opacity: 0; pointer-events: none;
  transform: translateY(10px);
  transition: opacity .2s, transform .2s, background .15s, color .15s;
}
#erp-scroll-top.visible {
  opacity: 1; pointer-events: auto;
  transform: translateY(0);
}
#erp-scroll-top:hover {
  background: var(--primary); color: #fff;
  border-color: var(--primary);
  box-shadow: 0 6px 20px var(--primary-glow);
}
#erp-scroll-top svg { width: 16px; height: 16px; }
[data-theme="dark"] #erp-scroll-top { box-shadow: 0 4px 16px rgba(0,0,0,.35); }

/* =========================================================
   SKELETON LOADERS
   Usage: <div class="erp-skeleton erp-skeleton-text"></div>
          <div class="erp-skeleton erp-skeleton-avatar"></div>
          <div class="erp-skeleton erp-skeleton-block"></div>
========================================================= */
@keyframes skeleton-shimmer {
  0%   { background-position: -600px 0; }
  100% { background-position: 600px 0; }
}
.erp-skeleton {
  background: linear-gradient(90deg,
    var(--gray-100) 25%,
    var(--gray-200) 50%,
    var(--gray-100) 75%
  );
  background-size: 1200px 100%;
  animation: skeleton-shimmer 1.4s ease-in-out infinite;
  border-radius: 6px;
}
[data-theme="dark"] .erp-skeleton {
  background: linear-gradient(90deg,
    rgba(129,140,248,0.05) 25%,
    rgba(129,140,248,0.12) 50%,
    rgba(129,140,248,0.05) 75%
  );
  background-size: 1200px 100%;
}
.erp-skeleton-text   { height: 14px; width: 100%; margin-bottom: 8px; border-radius: 4px; }
.erp-skeleton-text.w-75 { width: 75%; }
.erp-skeleton-text.w-50 { width: 50%; }
.erp-skeleton-text.w-33 { width: 33%; }
.erp-skeleton-avatar { width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0; }
.erp-skeleton-avatar-lg { width: 52px; height: 52px; border-radius: 50%; flex-shrink: 0; }
.erp-skeleton-block  { height: 48px; width: 100%; }
.erp-skeleton-block-lg { height: 120px; width: 100%; border-radius: var(--radius-md); }
/* Table row skeleton */
.erp-skeleton-row {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 16px; border-bottom: 1px solid var(--border);
}
.erp-skeleton-row:last-child { border-bottom: none; }

/* =========================================================
   EMPTY STATE
   Usage:
   <div class="erp-empty">
     <div class="erp-empty-icon">📭</div>
     <div class="erp-empty-title">No records found</div>
     <div class="erp-empty-sub">Try adjusting your search or filters</div>
     <button class="erp-btn erp-btn-primary erp-btn-sm">Add first record</button>
   </div>
========================================================= */
.erp-empty {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 56px 24px;
  color: var(--text-muted);
  gap: 10px;
}
.erp-empty-icon {
  width: 64px; height: 64px;
  background: var(--gray-100);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin-bottom: 6px;
}
[data-theme="dark"] .erp-empty-icon { background: rgba(129,140,248,0.08); }
.erp-empty-title {
  font-size: 15px; font-weight: 700;
  color: var(--text-primary); letter-spacing: -0.2px;
}
.erp-empty-sub {
  font-size: 13px; color: var(--text-muted);
  line-height: 1.55; max-width: 300px;
  margin-bottom: 4px;
}

/* =========================================================
   PHASE 1 POLISH — extra light-mode refinements
========================================================= */

/* Stat icon: slightly larger */
.erp-stat-icon {
  width: 50px; height: 50px;
}

/* Topbar toggle: cleaner */
body:not([data-theme="dark"]) .erp-topbar-toggle:hover {
  background: var(--gray-100);
  color: var(--primary);
}

/* Search bar input */
body:not([data-theme="dark"]) .erp-search-input-wrap .erp-input,
body:not([data-theme="dark"]) .erp-filter-select {
  background: #f9fafb;
}
body:not([data-theme="dark"]) .erp-search-input-wrap .erp-input:focus,
body:not([data-theme="dark"]) .erp-filter-select:focus {
  background: #fff;
}

/* Card title: stronger weight */
.erp-card-title { font-size: 14px; font-weight: 700; }

/* Label: slightly softer */
.erp-label { font-size: 11px; font-weight: 600; color: var(--text-secondary); letter-spacing: 0.4px; }

/* =========================================================
   PHASE 2 — COMPONENT LIBRARY UPGRADE
========================================================= */

/* ── Stat cards — flat warm-grey (colour comes from the icon) ─── */
body:not([data-theme="dark"]) .erp-stat-card { background: var(--bg-card); }

/* ── Table row actions: reveal on hover ─────────────────── */
.erp-row-actions {
  display: flex; align-items: center; gap: 4px;
  opacity: 0; transition: opacity 0.15s;
}
.erp-table tbody tr:hover .erp-row-actions { opacity: 1; }
.erp-row-action-btn {
  width: 28px; height: 28px; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1.5px solid var(--border);
  color: var(--text-muted); cursor: pointer;
  transition: var(--transition); flex-shrink: 0;
}
.erp-row-action-btn svg { width: 13px; height: 13px; }
.erp-row-action-btn:hover         { background: var(--primary-light); color: var(--primary); border-color: rgba(79,70,229,0.3); }
.erp-row-action-btn.danger:hover  { background: var(--danger-light);  color: var(--danger);  border-color: rgba(239,68,68,0.3); }
.erp-row-action-btn.success:hover { background: var(--success-light); color: var(--success); border-color: rgba(16,185,129,0.3); }
[data-theme="dark"] .erp-row-action-btn { border-color: rgba(255,255,255,0.1); color: #71717A; }
[data-theme="dark"] .erp-row-action-btn:hover         { background: rgba(129,140,248,0.1);  color: #818CF8; border-color: rgba(129,140,248,0.35); }
[data-theme="dark"] .erp-row-action-btn.danger:hover  { background: rgba(248,113,113,0.1); color: #f87171; border-color: rgba(248,113,113,0.35); }

/* ── Button loading state ───────────────────────────────── */
.erp-btn.loading {
  pointer-events: none;
  color: transparent !important;
}
.erp-btn.loading::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
}
.erp-btn-ghost.loading::after,
.erp-btn-outline.loading::after {
  border-color: rgba(79,70,229,0.25);
  border-top-color: var(--primary);
}

/* ── Badge dot indicator ────────────────────────────────── */
.erp-badge-dot {
  display: inline-flex; align-items: center; gap: 5px;
}
.erp-badge-dot::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  background: currentColor;
  opacity: 0.7;
}
/* Pulsing dot for live/active states */
.erp-badge.pulsing::before {
  animation: pulse-dot 2s infinite;
}

/* ── Section divider with title ─────────────────────────── */
.erp-section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 1.5px solid var(--border);
}
.erp-section-title {
  font-size: 13px; font-weight: 700;
  color: var(--text-primary); letter-spacing: -0.1px;
}
.erp-section-count {
  font-size: 11px; font-weight: 600;
  color: var(--text-muted); background: var(--gray-100);
  padding: 2px 8px; border-radius: 20px; margin-left: 8px;
}
[data-theme="dark"] .erp-section-count { background: rgba(129,140,248,0.08); color: #A1A1AA; }

/* ── Dashboard view tabs (replace inline styles) ────────── */
.erp-dash-tabs {
  display: flex; gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 22px;
  overflow-x: auto; flex-shrink: 0;
  scrollbar-width: none;
}
.erp-dash-tabs::-webkit-scrollbar { display: none; }
.erp-dash-tab {
  padding: 9px 20px;
  border: none; background: none;
  font-size: 13px; font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
  font-family: inherit;
}
.erp-dash-tab:hover { color: var(--primary); }
.erp-dash-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
[data-theme="dark"] .erp-dash-tab:hover  { color: #A5B4FC; }
[data-theme="dark"] .erp-dash-tab.active { color: #818CF8; border-bottom-color: #818CF8; }
[data-theme="dark"] .erp-dash-tabs { border-bottom-color: rgba(255,255,255,0.08); }

/* ── Input group with icon prefix ──────────────────────── */
.erp-input-group {
  position: relative; display: flex; align-items: center;
}
.erp-input-group .erp-input-icon {
  position: absolute; left: 12px;
  color: var(--text-muted); pointer-events: none;
  display: flex; align-items: center;
}
.erp-input-group .erp-input-icon svg { width: 15px; height: 15px; }
.erp-input-group .erp-input { padding-left: 38px; }
.erp-input-group .erp-input-suffix {
  position: absolute; right: 12px;
  color: var(--text-muted);
  font-size: 12px; font-weight: 600;
  pointer-events: none;
}

/* ── Card top accent band variants ──────────────────────── */
.erp-card.accent-blue   { border-top: 3px solid var(--primary) !important; }
.erp-card.accent-green  { border-top: 3px solid var(--success) !important; }
.erp-card.accent-gold   { border-top: 3px solid var(--gold) !important; }
.erp-card.accent-red    { border-top: 3px solid var(--danger) !important; }
.erp-card.accent-purple { border-top: 3px solid var(--purple) !important; }
.erp-card.accent-cyan   { border-top: 3px solid var(--info) !important; }

/* ── Dashboard hero greeting banner ─────────────────────── */
.erp-dash-hero {
  background: linear-gradient(135deg, #4F46E5 0%, #6366F1 60%, #818CF8 100%);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin-bottom: 22px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  color: #fff; position: relative; overflow: hidden;
  box-shadow: 0 8px 32px rgba(79,70,229,0.28);
}
.erp-dash-hero::before {
  content: ''; position: absolute;
  right: -40px; top: -40px;
  width: 220px; height: 220px;
  background: rgba(255,255,255,0.05); border-radius: 50%;
}
.erp-dash-hero::after {
  content: ''; position: absolute;
  right: 80px; bottom: -60px;
  width: 140px; height: 140px;
  background: rgba(255,255,255,0.04); border-radius: 50%;
}
.erp-dash-hero-left { position: relative; z-index: 1; }
.erp-dash-hero-greeting {
  font-size: 11px; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; opacity: 0.65; margin-bottom: 5px;
}
.erp-dash-hero-title {
  font-size: 22px; font-weight: 800; letter-spacing: -0.4px;
  line-height: 1.25; margin-bottom: 5px;
}
.erp-dash-hero-sub {
  font-size: 13px; opacity: 0.65; line-height: 1.5;
}
.erp-dash-hero-pills {
  display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px;
  position: relative; z-index: 1;
}
.erp-dash-hero-pill {
  display: inline-flex; align-items: center; gap: 5px;
  background: rgba(255,255,255,0.12); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff; font-size: 11.5px; font-weight: 600;
  padding: 5px 12px; border-radius: 20px; white-space: nowrap;
}
.erp-dash-hero-pill.pill-warning { background: rgba(251,191,36,0.22); border-color: rgba(251,191,36,0.4); color: #fef9c3; }
.erp-dash-hero-pill.pill-green   { background: rgba(52,211,153,0.2);  border-color: rgba(52,211,153,0.35); color: #d1fae5; }
.erp-dash-hero-pill.pill-red     { background: rgba(248,113,113,0.2); border-color: rgba(248,113,113,0.35); color: #fee2e2; }
.erp-dash-hero-right { flex-shrink: 0; position: relative; z-index: 1; }
.erp-dash-hero-date {
  text-align: right; opacity: 0.7; font-size: 12px; line-height: 1.6;
}
.erp-dash-hero-date strong { display: block; font-size: 15px; font-weight: 700; opacity: 1; }
[data-theme="dark"] .erp-dash-hero {
  background: linear-gradient(135deg, #16150F 0%, #221F17 40%, #312E81 70%, #4338CA 100%);
  box-shadow: 0 8px 40px rgba(0,0,0,0.6), 0 0 40px rgba(79,70,229,0.1);
  border: 1px solid rgba(129,140,248,0.18);
}

/* ── Improved panel loading state ───────────────────────── */
.erp-panel-loading {
  display: flex; align-items: center; justify-content: center;
  height: 56vh; flex-direction: column; gap: 16px;
  color: var(--text-muted); font-size: 13.5px;
}
.erp-spinner {
  width: 34px; height: 34px; border-radius: 50%;
  border: 2.5px solid var(--border);
  border-top-color: var(--primary);
  animation: spin 0.7s linear infinite;
}

/* ── Help text under form inputs ────────────────────────── */
.erp-help-text {
  font-size: 11.5px; color: var(--text-muted);
  margin-top: 4px; line-height: 1.5;
}
.erp-help-text.error { color: var(--danger); }
.erp-help-text.success { color: var(--success); }

/* ── Tag / chip input ───────────────────────────────────── */
.erp-tags-wrap {
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
  padding: 8px 10px;
  border: 1.5px solid var(--border);
  border-radius: 9px; background: var(--bg-card);
  min-height: 40px; cursor: text;
  transition: border-color 0.18s, box-shadow 0.18s;
}
.erp-tags-wrap:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}
.erp-tag {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--primary-light); color: var(--primary);
  font-size: 12px; font-weight: 600;
  padding: 2px 8px; border-radius: 6px;
  border: 1px solid rgba(79,70,229,0.18);
}
.erp-tag-remove {
  background: none; border: none; color: inherit;
  cursor: pointer; padding: 0; font-size: 14px; line-height: 1;
  opacity: 0.6; transition: opacity 0.15s;
}
.erp-tag-remove:hover { opacity: 1; }

/* ── Divider with text label ────────────────────────────── */
.erp-divider-label {
  display: flex; align-items: center; gap: 10px;
  margin: 20px 0; font-size: 11px; font-weight: 700;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.7px;
}
.erp-divider-label::before,
.erp-divider-label::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

/* ── Responsive stat card on hero ─────────────────────── */
@media (max-width: 768px) {
  .erp-dash-hero { padding: 18px 16px; }
  .erp-dash-hero-title { font-size: 17px; }
  .erp-dash-hero-right { display: none; }
}

/* ══════════════════════════════════════════════════════════
   PHASE 8 — MICRO-ANIMATIONS, SKELETONS, EMPTY STATES
   ══════════════════════════════════════════════════════════ */

/* ── Page fade-in ──────────────────────────────────────── */
/* Opacity only — deliberately no `transform` here. A `transform` on <body>
   (even translateY(0) at the end of the animation, which `fill-mode: both`
   keeps applied permanently) creates a new containing block for every
   `position: fixed` descendant, breaking the sidebar so it scrolls with the
   page instead of staying pinned to the viewport. */
body.erp-ready {
  animation: erp-page-in 0.28s ease both;
}
@keyframes erp-page-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Stat card entrance stagger ────────────────────────── */
.erp-stats-grid .erp-stat-card {
  animation: erp-card-in 0.32s ease both;
}
.erp-stats-grid .erp-stat-card:nth-child(1) { animation-delay: 0.04s; }
.erp-stats-grid .erp-stat-card:nth-child(2) { animation-delay: 0.08s; }
.erp-stats-grid .erp-stat-card:nth-child(3) { animation-delay: 0.12s; }
.erp-stats-grid .erp-stat-card:nth-child(4) { animation-delay: 0.16s; }
.erp-stats-grid .erp-stat-card:nth-child(5) { animation-delay: 0.20s; }
.erp-stats-grid .erp-stat-card:nth-child(6) { animation-delay: 0.24s; }
@keyframes erp-card-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Stat card hover lift ──────────────────────────────── */
.erp-stat-card {
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  will-change: transform;
}
.erp-stat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(99,102,241,0.14), 0 2px 6px rgba(17,24,39,0.05), inset 0 1px 0 rgba(255,255,255,0.7);
}
[data-theme="dark"] .erp-stat-card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.35);
}

/* ── Button press micro-animation ──────────────────────── */
.erp-btn {
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.18s ease, color 0.18s ease;
}
.erp-btn:active {
  transform: scale(0.96);
  box-shadow: none !important;
}

/* ── Modal slide-in ────────────────────────────────────── */
.erp-modal-box {
  animation: erp-modal-in 0.22s cubic-bezier(0.34,1.3,0.64,1) both;
}
@keyframes erp-modal-in {
  from { opacity: 0; transform: scale(0.92) translateY(-10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ── Table row hover ───────────────────────────────────── */
.erp-table tbody tr {
  transition: background 0.14s ease;
}

/* ── Activity icon pulse on new item ──────────────────────── */
.erp-activity-item.is-new .erp-activity-icon {
  animation: erp-pulse-ring 0.6s ease 0.1s both;
}
@keyframes erp-pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(var(--primary-rgb, 99,102,241), 0.45); }
  70%  { box-shadow: 0 0 0 8px rgba(var(--primary-rgb, 99,102,241), 0); }
  100% { box-shadow: 0 0 0 0 rgba(var(--primary-rgb, 99,102,241), 0); }
}

/* ── Skeleton shimmer loader ───────────────────────────── */
@keyframes erp-shimmer {
  0%   { background-position: -600px 0; }
  100% { background-position: 600px 0; }
}
.erp-skeleton {
  border-radius: 6px;
  background: linear-gradient(90deg,
    var(--border) 25%,
    var(--bg-secondary) 50%,
    var(--border) 75%
  );
  background-size: 1200px 100%;
  animation: erp-shimmer 1.4s ease-in-out infinite;
  color: transparent !important;
  pointer-events: none;
  user-select: none;
}
.erp-skeleton-line {
  display: block;
  height: 14px;
  border-radius: 4px;
  margin-bottom: 8px;
}
.erp-skeleton-line.w-80  { width: 80%; }
.erp-skeleton-line.w-60  { width: 60%; }
.erp-skeleton-line.w-40  { width: 40%; }
.erp-skeleton-circle {
  display: inline-block;
  width: 36px; height: 36px;
  border-radius: 50%;
}
.erp-skeleton-card {
  background: var(--bg-card);
  border-radius: 10px;
  padding: 16px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 12px;
}
[data-theme="dark"] .erp-skeleton {
  background: linear-gradient(90deg,
    rgba(255,255,255,0.06) 25%,
    rgba(255,255,255,0.12) 50%,
    rgba(255,255,255,0.06) 75%
  );
  background-size: 1200px 100%;
}

/* ── Empty state ───────────────────────────────────────── */
.erp-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 56px 24px;
  text-align: center;
  gap: 10px;
  animation: erp-card-in 0.3s ease both;
}
.erp-empty-state svg {
  color: var(--text-muted);
  opacity: 0.45;
  margin-bottom: 4px;
}
.erp-empty-state-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0;
}
.erp-empty-state-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
  max-width: 280px;
}

/* ── Animated counter ──────────────────────────────────── */
[data-countup] {
  transition: none; /* counter updates via JS, no CSS transition needed */
}

/* ── Lazy chart canvas fade-in ─────────────────────────── */
canvas.erp-chart-loaded {
  animation: erp-page-in 0.4s ease both;
}

/* ── Badge pop on update ───────────────────────────────── */
.erp-badge.erp-badge-pop {
  animation: erp-badge-pop 0.25s cubic-bezier(0.34,1.6,0.64,1) both;
}
@keyframes erp-badge-pop {
  from { transform: scale(0.6); }
  to   { transform: scale(1); }
}

/* ── Sidebar nav link hover ────────────────────────────── */
.erp-nav-link {
  transition: background 0.14s ease, color 0.14s ease, padding-left 0.14s ease;
}

/* ── Hero entrance ─────────────────────────────────────── */
.erp-dash-hero {
  animation: erp-hero-in 0.38s cubic-bezier(0.22,1,0.36,1) both;
}
@keyframes erp-hero-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}