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

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* =========================================================
   DESIGN TOKENS
========================================================= */
:root {
  /* ── Brand ─────────────────────────────────── */
  --primary:        #2563eb;
  --primary-hover:  #1d4ed8;
  --primary-light:  #eef2ff;
  --primary-dark:   #1e40af;
  --primary-glow:   rgba(37,99,235,0.22);
  --gold:           #f59e0b;
  --gold-dark:      #b45309;
  --gold-light:     #fffbeb;

  /* ── Neon / Futuristic Accents ───────────────── */
  --neon-cyan:      #22d3ee;
  --neon-blue:      #38bdf8;
  --neon-purple:    #a855f7;
  --neon-pink:      #ec4899;
  --neon-green:     #10b981;
  --neon-amber:     #fbbf24;
  --space-1:        #050a14;
  --space-2:        #0a1628;
  --space-3:        #0f2040;

  /* ── 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;

  /* ── Slate neutrals ──────────────────────────── */
  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* ── Layout ──────────────────────────────────── */
  --sidebar-w:       264px;
  --sidebar-w-col:    72px;
  --topbar-h:         62px;
  --radius-sm:         8px;
  --radius-md:        12px;
  --radius-lg:        16px;
  --radius-xl:        24px;

  /* ── Shadows ─────────────────────────────────── */
  --shadow-xs:  0 1px 2px 0 rgba(15,23,42,0.05);
  --shadow-sm:  0 1px 3px 0 rgba(15,23,42,0.1), 0 1px 2px -1px rgba(15,23,42,0.06);
  --shadow-md:  0 4px 6px -1px rgba(15,23,42,0.1), 0 2px 4px -2px rgba(15,23,42,0.06);
  --shadow-lg:  0 10px 15px -3px rgba(15,23,42,0.1), 0 4px 6px -4px rgba(15,23,42,0.05);
  --shadow-xl:  0 20px 25px -5px rgba(15,23,42,0.1), 0 8px 10px -6px rgba(15,23,42,0.05);
  --shadow-2xl: 0 25px 50px -12px rgba(15,23,42,0.25);
  --shadow-primary: 0 4px 14px 0 rgba(37,99,235,0.28);
  --shadow-success: 0 4px 14px 0 rgba(16,185,129,0.25);

  /* ── Transitions ─────────────────────────────── */
  --transition:       all 0.2s cubic-bezier(0.4,0,0.2,1);
  --transition-slow:  all 0.35s cubic-bezier(0.4,0,0.2,1);
  --transition-spring: all 0.3s cubic-bezier(0.34,1.56,0.64,1);

  /* ── Light surfaces ──────────────────────────── */
  --bg-page:        #eef2ff;
  --bg-card:        #ffffff;
  --bg-sidebar:     #080f20;
  --bg-topbar:      rgba(255,255,255,0.92);
  --border:         #e2e8f0;
  --border-strong:  #c7d2fe;
  --text-primary:   #0f172a;
  --text-secondary: #475569;
  --text-muted:     #94a3b8;
  --text-sidebar:   rgba(255,255,255,0.55);
  --text-sidebar-active: #ffffff;
}

/* ─── DARK MODE — CYBERPUNK ──────────────────────────── */
[data-theme="dark"] {
  /* Primary → electric cyan-blue */
  --primary:        #38bdf8;
  --primary-hover:  #0ea5e9;
  --primary-light:  rgba(56,189,248,0.09);
  --primary-dark:   #0369a1;
  --primary-glow:   rgba(56,189,248,0.22);

  /* Surfaces */
  --bg-page:        #050a14;
  --bg-card:        rgba(10,22,40,0.82);
  --bg-sidebar:     #030710;
  --bg-topbar:      rgba(5,10,20,0.88);

  /* Borders — neon translucent */
  --border:         rgba(56,189,248,0.1);
  --border-strong:  rgba(56,189,248,0.22);

  /* Text */
  --text-primary:   #e2eaf6;
  --text-secondary: #7ba7c4;
  --text-muted:     #3d5f7a;
  --text-sidebar:   rgba(255,255,255,0.5);
  --text-sidebar-active: #ffffff;

  /* Semantic — neon variants */
  --success:        #34d399;
  --success-light:  rgba(52,211,153,0.1);
  --danger:         #f87171;
  --danger-light:   rgba(248,113,113,0.1);
  --warning:        #fbbf24;
  --warning-light:  rgba(251,191,36,0.1);
  --info:           #22d3ee;
  --info-light:     rgba(34,211,238,0.1);
  --purple:         #c084fc;
  --purple-light:   rgba(192,132,252,0.1);
  --gold:           #fbbf24;
  --gold-light:     rgba(251,191,36,0.1);
  --gold-dark:      #d97706;

  /* Neutrals — space-dark */
  --gray-50:        rgba(10,22,40,0.7);
  --gray-100:       rgba(14,28,55,0.85);
  --gray-200:       rgba(56,189,248,0.07);
  --gray-300:       rgba(56,189,248,0.16);
  --gray-400:       #3d5f7a;
  --gray-500:       #5a7a96;
  --gray-600:       #7ba7c4;
  --gray-700:       #a8c8e0;
  --gray-800:       #c8ddf0;
  --gray-900:       #e2eaf6;

  /* Shadows — deep with neon bloom */
  --shadow-xs:  0 1px 4px rgba(0,0,0,0.7);
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.65), 0 0 0 1px rgba(56,189,248,0.04);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.7), 0 0 0 1px rgba(56,189,248,0.06);
  --shadow-lg:  0 10px 40px rgba(0,0,0,0.75), 0 0 30px rgba(56,189,248,0.04);
  --shadow-xl:  0 20px 60px rgba(0,0,0,0.8), 0 0 60px rgba(56,189,248,0.05);
  --shadow-2xl: 0 30px 80px rgba(0,0,0,0.85), 0 0 80px rgba(56,189,248,0.06);
  --shadow-primary: 0 0 24px rgba(56,189,248,0.35), 0 4px 12px rgba(0,0,0,0.5);
  --shadow-success: 0 0 20px rgba(52,211,153,0.3), 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: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-primary);
  background: var(--bg-page);
  line-height: 1.6;
  min-height: 100vh;
  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(56,189,248,0.2); border-radius: 10px; }
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: rgba(56,189,248,0.4); }

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

/* =========================================================
   SIDEBAR
========================================================= */
.erp-sidebar {
  width: var(--sidebar-w);
  background: var(--bg-sidebar, #080f20);
  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: 1px solid rgba(56,189,248,0.07);
  box-shadow: 4px 0 40px rgba(0,0,0,0.45), inset -1px 0 0 rgba(56,189,248,0.06);
}
.erp-sidebar.collapsed { width: var(--sidebar-w-col); }

/* Brand */
.erp-sidebar-brand {
  display: flex; align-items: center;
  padding: 0 14px;
  height: var(--topbar-h);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  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, #38bdf8 0%, #818cf8 50%, #a855f7 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 16px rgba(56,189,248,0.5), 0 0 0 1px rgba(255,255,255,0.08);
  letter-spacing: -0.5px;
  animation: brand-glow 4s ease-in-out infinite;
}
.erp-brand-text { white-space: nowrap; overflow: hidden; }
.erp-brand-text strong { display: block; font-size: 14px; font-weight: 800; color: var(--text-sidebar-active, #fff); letter-spacing: -0.3px; line-height: 1.3; }
.erp-brand-text span { font-size: 10px; color: var(--text-sidebar, rgba(255,255,255,0.6)); 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: rgba(255,255,255,0.06); }

.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(255,255,255,0.75);
  padding: 14px 10px 4px;
  white-space: nowrap;
}
.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: 8.5px 12px;
  border-radius: 9px;
  color: var(--text-sidebar, rgba(255,255,255,0.65));
  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:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-sidebar-active, #fff);
}
.erp-nav-link.active {
  background: linear-gradient(90deg, rgba(56,189,248,0.16) 0%, rgba(56,189,248,0.05) 100%);
  color: var(--text-sidebar-active, #fff);
  font-weight: 600;
  box-shadow: inset 2.5px 0 0 var(--neon-blue, #38bdf8), 0 0 12px rgba(56,189,248,0.12);
}
.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; }
.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, rgba(255,255,255,0.65));
  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(255,255,255,0.06);
  color: var(--text-sidebar-active, #fff);
}
.erp-nav-group-header.open { color: var(--text-sidebar-active, #fff); }

.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, #38bdf8 0%, #818cf8 50%, #a855f7 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(56,189,248,0.35), 0 0 0 1.5px rgba(56,189,248,0.2);
}
.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;
  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: var(--topbar-h);
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 24px;
  gap: 12px;
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  box-shadow: 0 1px 0 var(--border), 0 2px 12px rgba(15,23,42,0.06);
  transition: background 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-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(37,99,235,0.3); }
.erp-topbar-btn svg { width: 17px; height: 17px; }
.erp-notif-dot {
  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, #38bdf8 0%, #818cf8 50%, #a855f7 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(56,189,248,0.3), 0 0 0 2px rgba(56,189,248,0.15);
  transition: box-shadow 0.2s, transform 0.2s;
}
.erp-topbar-avatar:hover { box-shadow: 0 0 20px rgba(56,189,248,0.45), 0 0 0 2px rgba(56,189,248,0.35); 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(37,99,235,0.08); color: var(--primary);
  padding: 2px 8px; border-radius: 20px; font-size: 11px;
  font-weight: 600; border: 1px solid rgba(37,99,235,0.15);
}

/* =========================================================
   PAGE CONTENT
========================================================= */
.erp-content { padding: 28px; 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: 20px; font-weight: 800; color: var(--text-primary); letter-spacing: -0.4px; line-height: 1.25; }
.erp-page-subtitle { font-size: 13px; color: var(--text-muted); margin-top: 4px; font-weight: 400; }
.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 18px;
  border-radius: var(--radius-sm);
  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 svg { width: 15px; height: 15px; flex-shrink: 0; }

.erp-btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
  color: #fff; border-color: var(--primary);
  box-shadow: 0 1px 2px rgba(0,0,0,0.1), 0 2px 10px rgba(37,99,235,0.25);
  position: relative; overflow: hidden;
}
.erp-btn-primary::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 60%);
  pointer-events: none;
}
.erp-btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover) 0%, #2563eb 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,99,235,0.4), 0 0 0 1px rgba(37,99,235,0.3), 0 1px 3px rgba(0,0,0,0.15);
}

.erp-btn-outline   { background: transparent; color: var(--primary); border-color: var(--border); }
.erp-btn-outline:hover { background: var(--primary-light); border-color: rgba(37,99,235,0.35); 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: 6px 12px; font-size: 12px; border-radius: 6px; gap: 5px; }
.erp-btn-sm svg { width: 13px; height: 13px; }
.erp-btn-lg  { padding: 12px 28px; font-size: 14.5px; border-radius: 10px; }
.erp-btn-icon { padding: 8px; }

/* =========================================================
   CARDS
========================================================= */
.erp-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.22s ease, transform 0.22s ease, border-color 0.22s;
}
.erp-card:hover { box-shadow: var(--shadow-md); 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);
  background: var(--gray-50);
}
.erp-card-title { font-family: 'Space Grotesk', '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-md);
  border: 1px solid var(--border);
  padding: 20px;
  display: flex; align-items: center; gap: 16px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.erp-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 3px;
  background: var(--primary);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}
.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, rgba(37,99,235,0.14), rgba(56,189,248,0.18)); color: var(--primary); box-shadow: 0 4px 12px rgba(37,99,235,0.18); }
.erp-stat-icon.green  { background: linear-gradient(135deg, rgba(16,185,129,0.13), rgba(52,211,153,0.18)); color: var(--success); box-shadow: 0 4px 12px rgba(16,185,129,0.18); }
.erp-stat-icon.gold   { background: linear-gradient(135deg, rgba(245,158,11,0.13), rgba(251,191,36,0.18)); color: var(--gold); box-shadow: 0 4px 12px rgba(245,158,11,0.18); }
.erp-stat-icon.red    { background: linear-gradient(135deg, rgba(239,68,68,0.13), rgba(248,113,113,0.18)); color: var(--danger); box-shadow: 0 4px 12px rgba(239,68,68,0.18); }
.erp-stat-icon.purple { background: linear-gradient(135deg, rgba(139,92,246,0.13), rgba(192,132,252,0.18)); color: var(--purple); box-shadow: 0 4px 12px rgba(139,92,246,0.18); }
.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: 25px; font-weight: 800; color: var(--text-primary); line-height: 1.1; letter-spacing: -0.6px; }
.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: var(--gray-50);
  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: 12px 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:hover { background: var(--primary-light); }
[data-theme="dark"] .erp-table tbody tr:hover { background: rgba(37,99,235,0.07); }
[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, #38bdf8 0%, #818cf8 50%, #a855f7 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: 9.5px 13px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13.5px; color: var(--text-primary);
  background: var(--bg-card);
  transition: border-color 0.18s, box-shadow 0.18s;
  outline: none;
}
.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 var(--primary-glow);
}
.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: var(--bg-card); 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: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2xl);
  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: 20px 24px; border-bottom: 1px solid var(--border);
}
.erp-modal-title { font-size: 15.5px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.2px; }
.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);
  background: var(--gray-50);
}
[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: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 13px 16px;
  box-shadow: var(--shadow-lg);
  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-text { font-size: 13px; color: var(--text-primary); flex: 1; 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, #060d1f 0%, #0d2060 40%, #1a3a8f 70%, #2563eb 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(37,99,235,0.35), inset 0 1px 0 rgba(255,255,255,0.08);
  border: 1px solid rgba(56,189,248,0.2);
}
.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;
  background: linear-gradient(135deg, #020510 0%, #06102a 30%, #0c1e55 65%, #1a3a8f 85%, #2563eb 100%);
  display: flex; align-items: center; justify-content: center;
  padding: 24px; position: relative; overflow: hidden;
}
.erp-login-page::before {
  background-image:
    linear-gradient(rgba(56,189,248,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,0.04) 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(37,99,235,0.18) 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(96,165,250,0.12) 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(56,189,248,0.2), 0 0 60px rgba(37,99,235,0.12);
  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(10,22,40,0.92);
  backdrop-filter: blur(32px) saturate(2);
  box-shadow: 0 32px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(56,189,248,0.18), 0 0 80px rgba(56,189,248,0.06);
  border-top: 1px solid rgba(56,189,248,0.15);
  border-left: 1px solid rgba(56,189,248,0.1);
}
.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(37,99,235,0.38);
}
.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(37,99,235,0.18);
  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) {

  /* Sidebar — slide off-screen; overlay closes it */
  .erp-sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-w) !important;
    z-index: 300;
    transition: transform 0.3s cubic-bezier(0.4,0,0.2,1),
                box-shadow 0.3s;
  }
  .erp-sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: 8px 0 48px rgba(0,0,0,0.4);
  }
  .erp-main { margin-left: 0 !important; }

  /* Topbar */
  .erp-topbar { padding: 0 12px; gap: 8px; height: 56px; }
  .erp-breadcrumb { font-size: 12px; }
  .erp-breadcrumb > span:not(strong) { display: none; } /* hide "Dashboard ›" prefix */

  /* 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; }

  /* 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; height: 52px; }
  .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 VIEW-ONLY MODE ───────────────────────────────── */
/* When logged in as partner, hide all add/edit/delete actions */
.partner-view .erp-btn-primary:not(.pv-allow),
.partner-view .erp-btn-danger:not(.pv-allow),
.partner-view [data-modal-open]:not(.pv-allow),
.partner-view button[onclick*="openAdd"]:not(.pv-allow),
.partner-view button[onclick*="openEdit"]:not(.pv-allow),
.partner-view button[onclick*="deleteRow"]:not(.pv-allow),
.partner-view button[onclick*="remove"]:not(.pv-allow),
.partner-view .erp-table td:last-child .erp-btn { display: none !important; }

/* =========================================================
   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(56,189,248,0.5), 0 0 0 1px rgba(255,255,255,0.08); }
  50%       { box-shadow: 0 4px 24px rgba(168,85,247,0.6), 0 0 0 1px rgba(255,255,255,0.12); }
}
@keyframes neon-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.7; }
}
@keyframes float-up {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-4px); }
}
@keyframes scan-line {
  from { background-position: 0 0; }
  to   { background-position: 0 100%; }
}
@keyframes gradient-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes cyber-border {
  0%   { border-color: rgba(56,189,248,0.15); }
  50%  { border-color: rgba(168,85,247,0.25); }
  100% { border-color: rgba(56,189,248,0.15); }
}

/* ── Light Theme Futuristic Touches ─────────────────── */
.erp-page-title {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  letter-spacing: -0.5px;
}
.erp-stat-value {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
}
.erp-brand-text strong {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  letter-spacing: -0.4px;
}
.erp-modal-title {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
}
/* Subtle indigo-tinted page bg gradient */
body:not([data-theme="dark"]) {
  background:
    radial-gradient(ellipse at 0% 0%, rgba(99,102,241,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(37,99,235,0.05) 0%, transparent 50%),
    var(--bg-page);
}

/* Light theme: cards with crisp top highlight */
body:not([data-theme="dark"]) .erp-card {
  border-top: 1px solid rgba(255,255,255,0.9);
  box-shadow: 0 1px 3px rgba(15,23,42,0.08), 0 4px 16px rgba(37,99,235,0.06);
}
body:not([data-theme="dark"]) .erp-card:hover {
  box-shadow: 0 4px 20px rgba(37,99,235,0.12), 0 1px 3px rgba(15,23,42,0.08);
  border-color: rgba(99,102,241,0.25);
}
/* Stat card left-bar colors in light mode */
body:not([data-theme="dark"]) .erp-stat-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8faff 100%);
}

/* ── Dark Mode — Page Background ─────────────────────── */
[data-theme="dark"] body,
body[data-theme="dark"] {
  background-color: var(--bg-page);
  background-image:
    radial-gradient(ellipse at 15% 25%, rgba(56,189,248,0.05) 0%, transparent 45%),
    radial-gradient(ellipse at 85% 75%, rgba(168,85,247,0.04) 0%, transparent 45%),
    radial-gradient(ellipse at 50% 0%, rgba(37,99,235,0.04) 0%, transparent 40%),
    linear-gradient(rgba(56,189,248,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,0.02) 1px, transparent 1px);
  background-size: auto, auto, auto, 48px 48px, 48px 48px;
}

/* ── Dark Mode — Sidebar ──────────────────────────────── */
[data-theme="dark"] .erp-sidebar {
  background: linear-gradient(180deg, #040b1a 0%, #030710 100%);
  border-right: 1px solid rgba(56,189,248,0.08);
  box-shadow: 4px 0 48px rgba(0,0,0,0.6), inset -1px 0 0 rgba(56,189,248,0.06);
}
[data-theme="dark"] .erp-sidebar-brand {
  border-bottom: 1px solid rgba(56,189,248,0.1);
  background: rgba(56,189,248,0.03);
}
[data-theme="dark"] .erp-nav-link:hover {
  background: rgba(56,189,248,0.07);
  color: #e2eaf6;
}
[data-theme="dark"] .erp-nav-link.active {
  background: linear-gradient(90deg, rgba(56,189,248,0.15) 0%, rgba(56,189,248,0.04) 100%);
  color: #38bdf8;
  box-shadow: inset 2.5px 0 0 #38bdf8, 0 0 16px rgba(56,189,248,0.1);
  font-weight: 600;
}
[data-theme="dark"] .erp-nav-group-children .erp-nav-link.active {
  color: #38bdf8;
}
[data-theme="dark"] .erp-nav-group-children .erp-nav-link.active::before {
  background: #38bdf8;
  box-shadow: 0 0 6px rgba(56,189,248,0.6);
}
[data-theme="dark"] .erp-nav-sep { background: rgba(56,189,248,0.06); }
[data-theme="dark"] .erp-sidebar-footer { border-top: 1px solid rgba(56,189,248,0.07); }
[data-theme="dark"] .erp-sidebar-user:hover { background: rgba(56,189,248,0.07); }

/* ── Dark Mode — Topbar ───────────────────────────────── */
[data-theme="dark"] .erp-topbar {
  background: rgba(3,7,16,0.88);
  border-bottom: 1px solid rgba(56,189,248,0.1);
  box-shadow: 0 1px 0 rgba(56,189,248,0.08), 0 2px 16px rgba(0,0,0,0.5);
  backdrop-filter: blur(24px) saturate(1.8);
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
}
[data-theme="dark"] .erp-topbar-toggle:hover {
  background: rgba(56,189,248,0.1);
  color: #38bdf8;
}
[data-theme="dark"] .erp-topbar-btn {
  border-color: rgba(56,189,248,0.15);
  color: #7ba7c4;
}
[data-theme="dark"] .erp-topbar-btn:hover {
  background: rgba(56,189,248,0.08);
  border-color: rgba(56,189,248,0.3);
  color: #38bdf8;
}
[data-theme="dark"] .erp-notif-dot { border-color: rgba(3,7,16,0.88); }

/* ── Dark Mode — Cards ────────────────────────────────── */
[data-theme="dark"] .erp-card {
  background: rgba(10,22,40,0.82);
  border: 1px solid rgba(56,189,248,0.1);
  box-shadow: 0 2px 12px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
[data-theme="dark"] .erp-card:hover {
  border-color: rgba(56,189,248,0.22);
  box-shadow: 0 4px 24px rgba(0,0,0,0.6), 0 0 0 1px rgba(56,189,248,0.12), inset 0 1px 0 rgba(255,255,255,0.04);
  transform: translateY(-1px);
}
[data-theme="dark"] .erp-card-header {
  background: rgba(56,189,248,0.04);
  border-bottom: 1px solid rgba(56,189,248,0.1);
}

/* ── Dark Mode — Stat Cards ───────────────────────────── */
[data-theme="dark"] .erp-stat-card {
  background: rgba(10,22,40,0.82);
  border: 1px solid rgba(56,189,248,0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
[data-theme="dark"] .erp-stat-card:hover {
  border-color: rgba(56,189,248,0.22);
  box-shadow: 0 6px 30px rgba(0,0,0,0.65), 0 0 20px rgba(56,189,248,0.06);
  transform: translateY(-3px);
}
[data-theme="dark"] .erp-stat-card::before { opacity: 0.85; }
[data-theme="dark"] .erp-stat-icon.blue   { background: linear-gradient(135deg, rgba(56,189,248,0.15), rgba(99,102,241,0.2));  box-shadow: 0 4px 14px rgba(56,189,248,0.22); }
[data-theme="dark"] .erp-stat-icon.green  { background: linear-gradient(135deg, rgba(52,211,153,0.15), rgba(16,185,129,0.2));  box-shadow: 0 4px 14px rgba(52,211,153,0.22); }
[data-theme="dark"] .erp-stat-icon.gold   { background: linear-gradient(135deg, rgba(251,191,36,0.15), rgba(245,158,11,0.2));  box-shadow: 0 4px 14px rgba(251,191,36,0.22); }
[data-theme="dark"] .erp-stat-icon.red    { background: linear-gradient(135deg, rgba(248,113,113,0.15), rgba(239,68,68,0.2));   box-shadow: 0 4px 14px rgba(248,113,113,0.22); }
[data-theme="dark"] .erp-stat-icon.purple { background: linear-gradient(135deg, rgba(192,132,252,0.15), rgba(168,85,247,0.2)); box-shadow: 0 4px 14px rgba(192,132,252,0.22); }
[data-theme="dark"] .erp-stat-icon.cyan   { background: linear-gradient(135deg, rgba(34,211,238,0.15), rgba(56,189,248,0.2));  box-shadow: 0 4px 14px rgba(34,211,238,0.22); }

/* ── Dark Mode — Buttons ──────────────────────────────── */
[data-theme="dark"] .erp-btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #38bdf8 100%);
  border-color: #38bdf8;
  box-shadow: 0 0 16px rgba(56,189,248,0.25), 0 2px 8px rgba(0,0,0,0.4);
  color: #fff;
}
[data-theme="dark"] .erp-btn-primary:hover {
  background: linear-gradient(135deg, #0369a1 0%, #0ea5e9 100%);
  box-shadow: 0 0 28px rgba(56,189,248,0.4), 0 4px 16px rgba(0,0,0,0.5);
  transform: translateY(-1px);
}
[data-theme="dark"] .erp-btn-outline {
  background: rgba(56,189,248,0.06);
  color: #38bdf8;
  border-color: rgba(56,189,248,0.25);
}
[data-theme="dark"] .erp-btn-outline:hover {
  background: rgba(56,189,248,0.14);
  border-color: rgba(56,189,248,0.5);
  box-shadow: 0 0 16px rgba(56,189,248,0.18);
}
[data-theme="dark"] .erp-btn-ghost {
  background: rgba(56,189,248,0.04);
  color: #7ba7c4;
  border-color: rgba(56,189,248,0.12);
}
[data-theme="dark"] .erp-btn-ghost:hover {
  background: rgba(56,189,248,0.1);
  color: #e2eaf6;
  border-color: rgba(56,189,248,0.25);
}
[data-theme="dark"] .erp-btn-success {
  background: linear-gradient(135deg, #059669 0%, #34d399 100%);
  box-shadow: 0 0 16px rgba(52,211,153,0.25), 0 2px 8px rgba(0,0,0,0.4);
}
[data-theme="dark"] .erp-btn-success:hover { box-shadow: 0 0 24px rgba(52,211,153,0.4), 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 16px rgba(248,113,113,0.22), 0 2px 8px rgba(0,0,0,0.4);
}

/* ── Dark Mode — Tables ───────────────────────────────── */
[data-theme="dark"] .erp-table th {
  background: rgba(56,189,248,0.04);
  border-bottom: 1px solid rgba(56,189,248,0.1);
  color: #7ba7c4;
}
[data-theme="dark"] .erp-table td {
  border-bottom: 1px solid rgba(56,189,248,0.06);
}
[data-theme="dark"] .erp-table tbody tr:hover {
  background: rgba(56,189,248,0.05);
}

/* ── Dark Mode — Forms ────────────────────────────────── */
[data-theme="dark"] .erp-input,
[data-theme="dark"] .erp-select,
[data-theme="dark"] .erp-textarea {
  background: rgba(56,189,248,0.04);
  border-color: rgba(56,189,248,0.15);
  color: #e2eaf6;
}
[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(56,189,248,0.28);
}
[data-theme="dark"] .erp-input:focus,
[data-theme="dark"] .erp-select:focus,
[data-theme="dark"] .erp-textarea:focus {
  border-color: #38bdf8;
  box-shadow: 0 0 0 3px rgba(56,189,248,0.15), 0 0 16px rgba(56,189,248,0.1);
}
[data-theme="dark"] .erp-input::placeholder,
[data-theme="dark"] .erp-textarea::placeholder { color: #3d5f7a; }
[data-theme="dark"] .erp-filter-select {
  background: rgba(56,189,248,0.04);
  border-color: rgba(56,189,248,0.15);
  color: #e2eaf6;
}
[data-theme="dark"] .erp-inv-search {
  background: rgba(56,189,248,0.04);
  border-color: rgba(56,189,248,0.15);
  color: #e2eaf6;
}

/* ── Dark Mode — Modals ───────────────────────────────── */
[data-theme="dark"] .erp-modal {
  background: rgba(8,16,32,0.94);
  border: 1px solid rgba(56,189,248,0.15);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 32px 80px rgba(0,0,0,0.8), 0 0 60px rgba(56,189,248,0.05);
}
[data-theme="dark"] .erp-modal-header { border-bottom: 1px solid rgba(56,189,248,0.1); }
[data-theme="dark"] .erp-modal-footer {
  background: rgba(56,189,248,0.04);
  border-top: 1px solid rgba(56,189,248,0.08);
}
[data-theme="dark"] .erp-modal-overlay { background: rgba(0,0,0,0.7); backdrop-filter: blur(6px); }

/* ── Dark Mode — Toasts ───────────────────────────────── */
[data-theme="dark"] .erp-toast {
  background: rgba(8,16,32,0.94);
  border: 1px solid rgba(56,189,248,0.12);
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.65);
}
[data-theme="dark"] .erp-toast.success { border-left: 3px solid #34d399; border-color: rgba(52,211,153,0.3); }
[data-theme="dark"] .erp-toast.error   { border-left: 3px solid #f87171; border-color: rgba(248,113,113,0.3); }
[data-theme="dark"] .erp-toast.info    { border-left: 3px solid #38bdf8; border-color: rgba(56,189,248,0.3); }
[data-theme="dark"] .erp-toast.warning { border-left: 3px solid #fbbf24; border-color: rgba(251,191,36,0.3); }

/* ── 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(56,189,248,0.12);  color: #38bdf8; border: 1px solid rgba(56,189,248,0.2); }
[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(56,189,248,0.06);  color: #7ba7c4; border: 1px solid rgba(56,189,248,0.12); }

/* ── Dark Mode — Progress Bars ────────────────────────── */
[data-theme="dark"] .erp-progress { background: rgba(56,189,248,0.1); }
[data-theme="dark"] .erp-progress-bar.blue   { background: linear-gradient(90deg, #0284c7, #38bdf8); box-shadow: 0 0 8px rgba(56,189,248,0.4); }
[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, #030b1f 0%, #071540 40%, #0c2060 70%, #0d3080 100%);
  border: 1px solid rgba(56,189,248,0.2);
  box-shadow: 0 8px 48px rgba(0,0,0,0.6), 0 0 40px rgba(56,189,248,0.08), inset 0 1px 0 rgba(56,189,248,0.1);
}

/* ── Dark Mode — Role Badges ──────────────────────────── */
[data-theme="dark"] .erp-role-badge.admin      { background: rgba(56,189,248,0.12);  color: #38bdf8; border: 1px solid rgba(56,189,248,0.25); }
[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: rgba(10,22,40,0.88);
  border: 1px solid rgba(56,189,248,0.1);
  backdrop-filter: blur(8px);
}
[data-theme="dark"] .erp-kanban-card:hover {
  border-color: rgba(56,189,248,0.25);
  box-shadow: 0 4px 20px rgba(0,0,0,0.6), 0 0 12px rgba(56,189,248,0.08);
}
[data-theme="dark"] .erp-kanban-body {
  background: rgba(3,7,16,0.5);
  border-color: rgba(56,189,248,0.08);
}

/* ── Dark Mode — Exam Engine ──────────────────────────── */
[data-theme="dark"] .erp-exam-card {
  background: rgba(8,16,32,0.9);
  border: 1px solid rgba(56,189,248,0.15);
  backdrop-filter: blur(16px);
}
[data-theme="dark"] .erp-exam-option {
  border-color: rgba(56,189,248,0.12);
  background: rgba(56,189,248,0.03);
}
[data-theme="dark"] .erp-exam-option:hover {
  border-color: rgba(56,189,248,0.35);
  background: rgba(56,189,248,0.08);
}
[data-theme="dark"] .erp-exam-option.selected {
  border-color: #38bdf8;
  background: rgba(56,189,248,0.1);
  box-shadow: 0 0 12px rgba(56,189,248,0.15);
}

/* ── Dark Mode — Material Cards ───────────────────────── */
[data-theme="dark"] .erp-material-card {
  background: rgba(10,22,40,0.82);
  border: 1px solid rgba(56,189,248,0.1);
  backdrop-filter: blur(8px);
}
[data-theme="dark"] .erp-material-card:hover {
  border-color: rgba(56,189,248,0.3);
  box-shadow: 0 4px 20px rgba(0,0,0,0.6), 0 0 16px rgba(56,189,248,0.08);
}

/* ── Dark Mode — Fee Cards ────────────────────────────── */
[data-theme="dark"] .erp-fee-item {
  background: rgba(10,22,40,0.82);
  border: 1px solid rgba(56,189,248,0.1);
  backdrop-filter: blur(8px);
}

/* ── Dark Mode — Info Box ─────────────────────────────── */
[data-theme="dark"] .erp-info-box {
  background: rgba(56,189,248,0.07);
  border-color: rgba(56,189,248,0.2);
  border-left-color: #38bdf8;
  color: #38bdf8;
}

/* ── Dark Mode — Spinner ──────────────────────────────── */
[data-theme="dark"] .erp-spinner {
  border-color: rgba(56,189,248,0.15);
  border-top-color: #38bdf8;
  filter: drop-shadow(0 0 6px rgba(56,189,248,0.4));
}

/* ── Dark Mode — Branch / Demo badges ────────────────── */
[data-theme="dark"] .erp-branch-badge {
  background: rgba(56,189,248,0.1);
  color: #38bdf8;
  border-color: rgba(56,189,248,0.25);
}

/* ── Dark Mode — Sortable table headers ───────────────── */
[data-theme="dark"] .erp-sortable-th:hover {
  background: rgba(56,189,248,0.07);
  color: #38bdf8;
}

/* ── Dark Mode — Tabs (teacher-tabs / erp-inv-tabs) ──── */
[data-theme="dark"] .erp-inv-tabs {
  background: rgba(8,16,32,0.6);
  border-bottom-color: rgba(56,189,248,0.1);
}
[data-theme="dark"] .erp-inv-tab:hover { color: #38bdf8; }
[data-theme="dark"] .erp-inv-tab.active { color: #38bdf8; border-bottom-color: #38bdf8; }
[data-theme="dark"] .teacher-tab:hover  { color: #38bdf8; }
[data-theme="dark"] .teacher-tab.active { color: #38bdf8; border-bottom-color: #38bdf8; }
[data-theme="dark"] .teacher-tabs { border-bottom-color: rgba(56,189,248,0.12); }

/* ── Dark Mode — Activity Feed ────────────────────────── */
[data-theme="dark"] .erp-activity-item { border-bottom-color: rgba(56,189,248,0.07); }
[data-theme="dark"] .erp-activity-dot  { background: #38bdf8; box-shadow: 0 0 6px rgba(56,189,248,0.5); }

/* ── Dark Mode — Placement Stats ─────────────────────── */
[data-theme="dark"] .erp-place-stat {
  background: rgba(10,22,40,0.82);
  border: 1px solid rgba(56,189,248,0.1);
  backdrop-filter: blur(8px);
}
[data-theme="dark"] .erp-place-stat:hover { border-color: rgba(56,189,248,0.25); }
[data-theme="dark"] .erp-place-stat-val { color: #38bdf8; text-shadow: 0 0 16px rgba(56,189,248,0.35); }

/* ── Dark Mode — Login Page ───────────────────────────── */
[data-theme="dark"] .erp-login-page {
  background: linear-gradient(135deg, #020510 0%, #050e28 35%, #081840 65%, #0c2060 100%);
  background-image:
    radial-gradient(ellipse at 30% 20%, rgba(56,189,248,0.07) 0%, transparent 45%),
    radial-gradient(ellipse at 70% 80%, rgba(168,85,247,0.06) 0%, transparent 45%),
    linear-gradient(rgba(56,189,248,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,0.03) 1px, transparent 1px),
    linear-gradient(135deg, #020510 0%, #050e28 35%, #081840 65%, #0c2060 100%);
  background-size: auto, auto, 40px 40px, 40px 40px, auto;
}
[data-theme="dark"] .erp-login-logo-text strong { color: #e2eaf6; }

/* ── Dark Mode — Placement cards ─────────────────────── */
[data-theme="dark"] .erp-notif-type-card {
  background: rgba(10,22,40,0.7);
  border-color: rgba(56,189,248,0.12);
}
[data-theme="dark"] .erp-notif-type-card.selected {
  border-color: #38bdf8;
  background: rgba(56,189,248,0.1);
}
[data-theme="dark"] .erp-notif-type-card:hover { border-color: rgba(56,189,248,0.3); }

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

/* ── Futuristic Page Title Gradient (dark mode) ────────── */
[data-theme="dark"] .erp-page-title {
  background: linear-gradient(135deg, #e2eaf6 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
[data-theme="dark"] .erp-card-title {
  color: #c8ddf0;
}

/* ── Futuristic Stat Value glow (dark mode) ─────────────── */
[data-theme="dark"] .erp-stat-value {
  background: linear-gradient(135deg, #e2eaf6 0%, #38bdf8 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(56,189,248,0.07); }
[data-theme="dark"] .erp-attend-row:hover { background: rgba(56,189,248,0.04); }
[data-theme="dark"] .erp-attend-radio label { border-color: rgba(56,189,248,0.15); }
[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(56,189,248,0.35) !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; }