/* ═══════════════════════════════════════════════════════════════════
   STUDENT ATTENDANCE DASHBOARD — MASTER STYLE SYSTEM
   Neo-Glassmorphism | Quad-Color Neon Lighting | System & Dark Modes
   ═══════════════════════════════════════════════════════════════════ */

:root {
  /* ── QUAD-COLOR NEON SYSTEM ── */
  /* 1. Neon Green (Present / Success / Safe) */
  --neon-green: #10b981;
  --neon-green-glow: 0 0 18px rgba(16, 185, 129, 0.55);
  --neon-green-bg: rgba(16, 185, 129, 0.15);
  --neon-green-border: rgba(16, 185, 129, 0.35);

  /* 2. Neon Amber / Yellow (Partial PA / Warning / Caution) */
  --neon-yellow: #f59e0b;
  --neon-yellow-glow: 0 0 18px rgba(245, 158, 11, 0.55);
  --neon-yellow-bg: rgba(245, 158, 11, 0.15);
  --neon-yellow-border: rgba(245, 158, 11, 0.35);

  /* 3. Neon Red / Dark Rose-Pink (Absent / Danger / Bunk Limit) */
  --neon-red: #f43f5e;
  --neon-red-glow: 0 0 18px rgba(244, 63, 94, 0.55);
  --neon-red-bg: rgba(244, 63, 94, 0.15);
  --neon-red-border: rgba(244, 63, 94, 0.35);

  /* 4. Crisp Frost White (Headings / High-Contrast Text / Glass Highlights) */
  --frost-white: #ffffff;
  --frost-white-glow: 0 0 14px rgba(255, 255, 255, 0.4);

  /* Auxiliary Accent */
  --electric-cyan: #00f3ff;
  --electric-blue: #3b82f6;
  --primary-gradient: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  --quad-gradient: linear-gradient(135deg, #10b981 0%, #00f3ff 35%, #f59e0b 70%, #f43f5e 100%);

  /* Typography: Ultra-Modern Clean Plus Jakarta Sans, Outfit & JetBrains Mono */
  --font-sans: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Default Dark Canvas */
  --bg-canvas: #060911;
  --bg-gradient: radial-gradient(circle at 50% -10%, #0d1526 0%, #060911 100%);
  --surface-glass: rgba(15, 23, 42, 0.72);
  --surface-glass-border: rgba(255, 255, 255, 0.14);
  --surface-glass-highlight: rgba(255, 255, 255, 0.35);
  --surface-glass-hover: rgba(255, 255, 255, 0.09);
  --surface-card: rgba(15, 23, 42, 0.85);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-subtle: rgba(255, 255, 255, 0.12);
  --header-bg: rgba(6, 9, 17, 0.8);
  --dock-bg: rgba(15, 23, 42, 0.9);
  --shadow-depth: 0 16px 40px -4px rgba(0, 0, 0, 0.6), inset 0 1px 0 0 rgba(255, 255, 255, 0.2);

  /* Table Specific Variables (Dark Mode) */
  --table-th-color: #94a3b8;
  --table-th-bg: rgba(255, 255, 255, 0.05);
  --table-td-color: #f1f5f9;
  --table-td-sub-color: #ffffff;
  --table-border: rgba(255, 255, 255, 0.08);
  --table-row-even: rgba(255, 255, 255, 0.02);
  --table-row-hover: rgba(255, 255, 255, 0.07);
  --code-pill-color: #00f3ff;
  --code-pill-bg: rgba(0, 243, 255, 0.12);
  --code-pill-border: rgba(0, 243, 255, 0.35);
  --kpi-stat-bg: rgba(255, 255, 255, 0.04);
  --kpi-stat-border: rgba(255, 255, 255, 0.12);
}

/* Light Theme Canvas */
[data-theme="light"] {
  --bg-canvas: #f8fafc;
  --bg-gradient: radial-gradient(circle at 50% -10%, #ffffff 0%, #eef2f6 100%);
  --surface-glass: rgba(255, 255, 255, 0.94);
  --surface-glass-border: rgba(203, 213, 225, 0.9);
  --surface-glass-highlight: rgba(255, 255, 255, 0.95);
  --surface-glass-hover: #f1f5f9;
  --surface-card: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --border-subtle: #e2e8f0;
  --header-bg: rgba(255, 255, 255, 0.92);
  --dock-bg: rgba(255, 255, 255, 0.96);
  --shadow-depth: 0 12px 32px -4px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.04);

  /* Table Specific Variables (Light Mode) */
  --table-th-color: #475569;
  --table-th-bg: #f8fafc;
  --table-td-color: #0f172a;
  --table-td-sub-color: #0f172a;
  --table-border: #e2e8f0;
  --table-row-even: #f8fafc;
  --table-row-hover: #f1f5f9;
  --code-pill-color: #1d4ed8;
  --code-pill-bg: #eff6ff;
  --code-pill-border: #bfdbfe;
  --kpi-stat-bg: #f8fafc;
  --kpi-stat-border: #e2e8f0;
}

/* Global Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-gradient);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  padding-bottom: calc(75px + env(safe-area-inset-bottom, 16px));
  overflow-x: hidden;
  position: relative;
  transition: background 0.3s ease, color 0.3s ease;
}

/* ── AMBIENT NEON ORBS (GLOW ILLUMINATING GLASS BEHIND) ── */
.ambient-neon-glows {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.neon-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(95px);
  opacity: 0.35;
  animation: floatOrb 20s ease-in-out infinite alternate;
}

[data-theme="light"] .neon-orb {
  opacity: 0.22;
  filter: blur(85px);
}

.orb-green {
  width: 420px;
  height: 420px;
  background: var(--neon-green);
  top: -80px;
  left: -80px;
}

.orb-yellow {
  width: 380px;
  height: 380px;
  background: var(--neon-yellow);
  top: 35%;
  right: -90px;
  animation-delay: -6s;
}

.orb-red {
  width: 400px;
  height: 400px;
  background: var(--neon-red);
  bottom: -90px;
  left: 25%;
  animation-delay: -12s;
}

.orb-blue {
  width: 350px;
  height: 350px;
  background: var(--electric-blue);
  top: 10%;
  right: 35%;
  animation-delay: -16s;
}

@keyframes floatOrb {
  0% {
    transform: translate(0, 0) scale(1);
  }

  50% {
    transform: translate(30px, 40px) scale(1.08);
  }

  100% {
    transform: translate(-30px, -20px) scale(0.95);
  }
}

/* ── NEO-GLASSMORPHISM PANEL ── */
.glass-panel {
  background: var(--surface-glass);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid var(--surface-glass-border);
  border-radius: 22px;
  box-shadow: var(--shadow-depth);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.glass-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--surface-glass-highlight), transparent);
  pointer-events: none;
}

/* App Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--header-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 18px;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon-box {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
  flex-shrink: 0;
  overflow: hidden;
}

.brand-logo-img {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-logo-img {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  object-fit: cover;
  margin: 0 auto 16px;
  display: block;
  box-shadow: 0 10px 28px rgba(59, 130, 246, 0.45);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  animation: floatLogo 4s ease-in-out infinite alternate;
}

@keyframes floatLogo {
  0% {
    transform: translateY(0);
  }

  100% {
    transform: translateY(-4px);
  }
}

.brand-text h1 {
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.brand-disclaimer {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.student-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--surface-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  border: 1px solid var(--border-subtle);
  background: var(--surface-glass);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.icon-btn:hover {
  color: var(--text-primary);
  border-color: rgba(99, 102, 241, 0.4);
}

.icon-btn:active {
  transform: scale(0.92);
}

/* Main Content */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px;
  position: relative;
  z-index: 1;
}

/* ── TOP ACCENT & BRAND GLOW ── */
.login-card-highlight {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3.5px;
  background: var(--quad-gradient);
  border-radius: 22px 22px 0 0;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.45);
}

.brand-glow-avatar {
  width: 54px;
  height: 54px;
  margin: 0 auto 16px;
  border-radius: 16px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.4);
}

/* ── SAMVIDHA NOTICE INSTRUCTION BOX ── */
.samvidha-instruction-box {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.28);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 20px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  text-align: left;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

[data-theme="light"] .samvidha-instruction-box {
  background: rgba(239, 246, 255, 0.85);
  border-color: rgba(59, 130, 246, 0.35);
}

.instruction-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.18);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: var(--electric-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.instruction-body {
  flex: 1;
}

.instruction-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.badge-official {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(59, 130, 246, 0.18);
  color: var(--electric-blue);
  border: 1px solid rgba(59, 130, 246, 0.35);
}

.instruction-text {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-bottom: 6px;
}

.instruction-privacy {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── QUAD-COLOR SYSTEM SHOWCASE ── */
.quad-system-showcase {
  margin: 18px 0 22px;
  text-align: left;
}

.quad-showcase-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  padding: 0 2px;
}

.quad-strip-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
}

.quad-pulse-indicator {
  font-size: 9.5px;
  font-weight: 800;
  color: var(--neon-green);
  background: var(--neon-green-bg);
  border: 1px solid var(--neon-green-border);
  padding: 1px 6px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}

.quad-system-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 10px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--border-subtle);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.25);
}

[data-theme="light"] .quad-system-strip {
  background: rgba(241, 245, 249, 0.85);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

.quad-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 7px 4px;
  border-radius: 10px;
  text-align: center;
  gap: 3px;
  cursor: default;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.quad-chip:hover {
  transform: translateY(-2px);
}

.quad-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {

  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }

  50% {
    transform: scale(1.3);
    opacity: 0.7;
  }
}

.dot-green {
  background: var(--neon-green);
  box-shadow: 0 0 8px var(--neon-green);
}

.dot-yellow {
  background: var(--neon-yellow);
  box-shadow: 0 0 8px var(--neon-yellow);
}

.dot-red {
  background: var(--neon-red);
  box-shadow: 0 0 8px var(--neon-red);
}

.dot-white {
  background: #38bdf8;
  box-shadow: 0 0 8px #38bdf8;
}

.quad-chip-val {
  font-size: 11px;
  font-weight: 800;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.quad-chip-lbl {
  font-size: 9.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  opacity: 0.85;
}

.chip-green {
  color: var(--neon-green);
  background: var(--neon-green-bg);
  border: 1px solid var(--neon-green-border);
  box-shadow: var(--neon-green-glow);
}

.chip-yellow {
  color: var(--neon-yellow);
  background: var(--neon-yellow-bg);
  border: 1px solid var(--neon-yellow-border);
  box-shadow: var(--neon-yellow-glow);
}

.chip-red {
  color: var(--neon-red);
  background: var(--neon-red-bg);
  border: 1px solid var(--neon-red-border);
  box-shadow: var(--neon-red-glow);
}

.chip-white {
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.35);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.3);
}

/* Top Quick Action Buttons (Vibrant Tri-Colors) */
.quick-actions-bar,
.top-actions-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}

.action-pill-btn {
  padding: 13px 18px;
  border-radius: 14px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  letter-spacing: 0.3px;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.action-pill-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.action-pill-btn:active {
  transform: scale(0.97);
}

/* Primary Vibrant Action Buttons (Always Pure White Text on Vivid Tri-Color Gradient) */
.btn-simulator,
.btn-sim {
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%) !important;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.4) !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  color: #ffffff !important;
}

.btn-simulator svg,
.btn-sim svg {
  stroke: #ffffff !important;
  stroke-width: 2.2;
}

.btn-timetable {
  background: linear-gradient(135deg, #059669 0%, #10b981 100%) !important;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.4) !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  color: #ffffff !important;
}

.btn-timetable svg {
  stroke: #ffffff !important;
  stroke-width: 2.2;
}

.btn-share {
  background: linear-gradient(135deg, #7c3aed 0%, #6366f1 100%) !important;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.4) !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  color: #ffffff !important;
}

.btn-share svg {
  stroke: #ffffff !important;
  stroke-width: 2.2;
}

/* ── SECONDARY PILL BUTTONS (Toggle Logs, Help & Support, Register) ── */
.btn-toggle-logs {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px !important;
  border-radius: 9999px !important;
  font-family: var(--font-sans);
  font-size: 13px !important;
  font-weight: 700 !important;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
  min-width: 190px;
}

[data-theme="light"] .btn-toggle-logs {
  background: #f1f5f9 !important;
  border: 1.5px solid #cbd5e1 !important;
  color: #1e293b !important;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08) !important;
}

[data-theme="light"] .btn-toggle-logs svg {
  stroke: #1e293b !important;
}

[data-theme="light"] .btn-toggle-logs:hover {
  background: #e2e8f0 !important;
  border-color: #94a3b8 !important;
  color: #0f172a !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12) !important;
}

[data-theme="dark"] .btn-toggle-logs {
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1.5px solid rgba(255, 255, 255, 0.2) !important;
  color: #f8fafc !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .btn-toggle-logs svg {
  stroke: #f8fafc !important;
}

[data-theme="dark"] .btn-toggle-logs:hover {
  background: rgba(255, 255, 255, 0.14) !important;
  border-color: rgba(255, 255, 255, 0.35) !important;
  transform: translateY(-2px);
}

.btn-secondary-pill {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px !important;
  border-radius: 12px !important;
  font-family: var(--font-sans);
  font-size: 13px !important;
  font-weight: 700 !important;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

[data-theme="light"] .btn-secondary-pill {
  background: #ffffff !important;
  border: 1.5px solid #cbd5e1 !important;
  color: #1e293b !important;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06) !important;
}

[data-theme="light"] .btn-secondary-pill svg {
  stroke: #1e293b !important;
}

[data-theme="light"] .btn-secondary-pill:hover {
  background: #f8fafc !important;
  border-color: #94a3b8 !important;
  color: #0f172a !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.1) !important;
}

[data-theme="dark"] .btn-secondary-pill {
  background: rgba(15, 23, 42, 0.8) !important;
  border: 1.5px solid rgba(255, 255, 255, 0.18) !important;
  color: #f8fafc !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35) !important;
}

[data-theme="dark"] .btn-secondary-pill svg {
  stroke: #f8fafc !important;
}

[data-theme="dark"] .btn-secondary-pill:hover {
  background: rgba(255, 255, 255, 0.12) !important;
  border-color: rgba(255, 255, 255, 0.3) !important;
  transform: translateY(-2px);
}

/* ── STATS GRID SYSTEM ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface-glass);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--surface-glass-border);
  border-radius: 18px;
  padding: 22px 20px;
  box-shadow: var(--shadow-depth);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  transform: translateY(-3px);
  background: var(--surface-glass-hover);
  box-shadow: 0 20px 48px -8px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  border-color: rgba(255, 255, 255, 0.26);
}

.stat-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.stat-card-title {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.stat-card-value {
  font-size: 34px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.15;
  margin: 4px 0 2px 0;
  font-family: var(--font-display);
  letter-spacing: -0.5px;
}

.stat-card-label {
  font-size: 12px;
  color: var(--text-muted);
}

.stat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--neon-green-bg);
  color: var(--neon-green);
  flex-shrink: 0;
  transition: transform 0.2s ease;
  box-shadow: var(--neon-green-glow);
}

.stat-card-icon.biometric-icon {
  background: rgba(0, 243, 255, 0.12);
  color: var(--electric-cyan);
  box-shadow: 0 0 16px rgba(0, 243, 255, 0.35);
}

.stat-card:hover .stat-card-icon {
  transform: scale(1.06);
}

.stat-card-advice {
  margin-top: 14px;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 12.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  transition: all 0.2s ease;
}

.stat-card-advice.safe {
  background: var(--neon-green-bg);
  color: var(--neon-green);
  border: 1px solid var(--neon-green-border);
  box-shadow: var(--neon-green-glow);
}

.stat-card-advice.danger {
  background: var(--neon-red-bg);
  color: var(--neon-red);
  border: 1px solid var(--neon-red-border);
  box-shadow: var(--neon-red-glow);
}

.stat-card-advice.warn {
  background: var(--neon-yellow-bg);
  color: var(--neon-yellow);
  border: 1px solid var(--neon-yellow-border);
}

.stat-card-advice.info {
  background: rgba(255, 255, 255, 0.06);
  color: #e2e8f0;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

[data-theme="light"] .stat-card-advice.safe {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.1);
}

[data-theme="light"] .stat-card-advice.danger {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
  box-shadow: 0 2px 6px rgba(244, 63, 94, 0.1);
}

[data-theme="light"] .stat-card-advice.warn {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}

[data-theme="light"] .stat-card-advice.info {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}

[data-theme="light"] .stat-card-icon {
  background: #ecfdf5;
  color: #059669;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.15);
}

[data-theme="light"] .stat-card-icon.biometric-icon {
  background: #f0f9ff;
  color: #0284c7;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.15);
}

/* ── ACADEMIC & BIOMETRIC ATTENDANCE CARDS ── */
.card,
.academic-card,
.biometric-card {
  background: var(--surface-glass);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--surface-glass-border);
  border-radius: 20px;
  box-shadow: var(--shadow-depth);
  overflow: hidden;
  margin-bottom: 24px;
}

.card-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-title-group h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.subject-count-pill {
  padding: 3px 10px;
  border-radius: 9999px;
  background: rgba(59, 130, 246, 0.12);
  color: var(--electric-blue);
  font-size: 11.5px;
  font-weight: 700;
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.bio-header-pill-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.card-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.view-switcher {
  display: flex;
  background: rgba(0, 0, 0, 0.28);
  padding: 3px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
}

[data-theme="light"] .view-switcher {
  background: rgba(226, 232, 240, 0.6);
}

.view-btn {
  padding: 6px 13px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.view-btn:hover {
  color: var(--text-primary);
}

.view-btn.active {
  background: var(--surface-card);
  color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.card-body {
  padding: 20px;
}

@media (max-width: 640px) {
  .card-body {
    padding: 14px 10px;
  }

  .card-header {
    padding: 14px 16px;
  }
}

/* Horizontal Scroll Hint */
.table-scroll-hint {
  color: var(--text-muted);
  font-size: 11.5px;
  font-weight: 600;
  margin-bottom: 8px;
  text-align: right;
  padding-right: 6px;
  display: block;
  user-select: none;
}

/* Table Container */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 16px;
  position: relative;
  transition: all 0.25s ease;
}

[data-theme="light"] .table-wrapper {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
}

[data-theme="dark"] .table-wrapper {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.025);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16), 0 8px 24px rgba(0, 0, 0, 0.28);
}

.table-wrapper::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 24px;
  pointer-events: none;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

[data-theme="light"] .table-wrapper::after {
  background: linear-gradient(to left, rgba(226, 232, 240, 0.8), transparent);
}

[data-theme="dark"] .table-wrapper::after {
  background: linear-gradient(to left, rgba(6, 9, 17, 0.65), transparent);
}

.table-wrapper.scrolled-end::after {
  opacity: 0;
}

/* Academic Attendance Table */
table.academic-attendance-table {
  width: 100%;
  min-width: 680px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13.5px;
}

#biometricLogsTable {
  min-width: 100% !important;
}

table.academic-attendance-table thead {
  background: var(--table-th-bg);
}

table.academic-attendance-table th {
  padding: 14px 18px;
  text-align: center;
  font-family: var(--font-sans);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.6px;
  white-space: nowrap;
}

[data-theme="light"] table.academic-attendance-table th {
  background: #f1f5f9 !important;
  color: #1e293b !important;
  border-bottom: 2px solid #cbd5e1 !important;
}

[data-theme="dark"] table.academic-attendance-table th {
  background: rgba(255, 255, 255, 0.06) !important;
  color: #cbd5e1 !important;
  border-bottom: 2px solid rgba(255, 255, 255, 0.12) !important;
}

table.academic-attendance-table th:first-child {
  text-align: left;
  padding-left: 20px;
}

table.academic-attendance-table th:nth-child(2) {
  text-align: left;
}

table.academic-attendance-table td {
  padding: 14px 18px;
  text-align: center;
  vertical-align: middle;
  font-size: 13.5px;
  transition: background 0.15s ease;
}

[data-theme="light"] table.academic-attendance-table td {
  color: #0f172a;
  border-bottom: 1px solid #e2e8f0;
}

[data-theme="dark"] table.academic-attendance-table td {
  color: #f1f5f9;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

table.academic-attendance-table td:first-child {
  text-align: left;
  padding-left: 20px;
}

/* Course Code Badge */
.course-code-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

[data-theme="light"] .course-code-pill {
  color: #1d4ed8 !important;
  background: #eff6ff !important;
  border: 1px solid #bfdbfe !important;
}

[data-theme="dark"] .course-code-pill {
  color: #00f3ff !important;
  background: rgba(0, 243, 255, 0.12) !important;
  border: 1px solid rgba(0, 243, 255, 0.35) !important;
  text-shadow: 0 0 10px rgba(0, 243, 255, 0.45);
}

/* Subject Title */
table.academic-attendance-table td:nth-child(2),
.table-subject-name {
  text-align: left !important;
  max-width: 280px;
  line-height: 1.45;
  font-size: 13.5px;
}

[data-theme="light"] table.academic-attendance-table td:nth-child(2),
[data-theme="light"] .table-subject-name {
  color: #0f172a !important;
  font-weight: 700 !important;
}

[data-theme="dark"] table.academic-attendance-table td:nth-child(2),
[data-theme="dark"] .table-subject-name {
  color: #f8fafc !important;
  font-weight: 600 !important;
}

/* Attended & Total Numbers */
.table-num-attended {
  font-weight: 800;
  font-size: 15px;
  font-family: var(--font-display);
}

[data-theme="light"] .table-num-attended {
  color: #059669 !important;
}

[data-theme="dark"] .table-num-attended {
  color: var(--neon-green) !important;
  text-shadow: 0 0 12px rgba(16, 185, 129, 0.45);
}

.table-num-total {
  font-weight: 700;
  font-size: 14.5px;
  font-family: var(--font-display);
}

[data-theme="light"] .table-num-total {
  color: #475569 !important;
}

[data-theme="dark"] .table-num-total {
  color: #cbd5e1 !important;
}

/* ── DEDICATED BIOMETRIC TABLE COLUMN ALIGNMENT ── */
#biometricLogsTable {
  width: 100% !important;
  min-width: 100% !important;
  table-layout: fixed !important;
  border-collapse: separate;
  border-spacing: 0;
}

#biometricLogsTable th,
#biometricLogsTable td {
  padding: 15px 16px;
  vertical-align: middle;
}

/* Col 1: S.No (Dead-center aligned: 85px) */
#biometricLogsTable th:nth-child(1),
#biometricLogsTable td:nth-child(1) {
  width: 85px !important;
  text-align: center !important;
  padding-left: 8px !important;
  padding-right: 8px !important;
}

/* Col 2: Date (Clean left aligned with comfortable padding) */
#biometricLogsTable th:nth-child(2),
#biometricLogsTable td:nth-child(2) {
  text-align: left !important;
  padding-left: 36px !important;
  padding-right: 16px !important;
}

/* Col 3: Status (Dead-center aligned: 160px) */
#biometricLogsTable th:nth-child(3),
#biometricLogsTable td:nth-child(3) {
  width: 160px !important;
  text-align: center !important;
  padding-left: 12px !important;
  padding-right: 20px !important;
}

/* Biometric Row Specifics */
.table-sno {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13.5px;
  color: var(--text-muted);
  display: inline-block;
  text-align: center;
}

.table-date-cell {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

[data-theme="light"] .table-date-cell {
  color: #0f172a !important;
}

[data-theme="dark"] .table-date-cell {
  color: #f8fafc !important;
}

table.academic-attendance-table tr:last-child td {
  border-bottom: none;
}

table.academic-attendance-table tbody tr {
  transition: background 0.15s ease;
  background: transparent;
}

[data-theme="light"] table.academic-attendance-table tbody tr:nth-child(even) {
  background: #f8fafc;
}

[data-theme="light"] table.academic-attendance-table tbody tr:hover {
  background: #f1f5f9;
}

[data-theme="dark"] table.academic-attendance-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] table.academic-attendance-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.07);
}

/* Biometric Mini KPI Stats inside Card */
.kpi-mini-stat {
  background: var(--kpi-stat-bg);
  border: 1px solid var(--kpi-stat-border);
  border-radius: 14px;
  padding: 12px 10px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.kpi-mini-stat:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.kpi-mini-val {
  font-size: 24px;
  font-weight: 800;
  font-family: var(--font-display);
  line-height: 1.15;
  margin-bottom: 2px;
}

.kpi-mini-lbl {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 12px;
  border-radius: 9999px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

[data-theme="light"] .badge-success {
  background: #d1fae5 !important;
  color: #065f46 !important;
  border: 1px solid #6ee7b7 !important;
  box-shadow: none !important;
}

[data-theme="light"] .badge-danger {
  background: #fee2e2 !important;
  color: #991b1b !important;
  border: 1px solid #fca5a5 !important;
  box-shadow: none !important;
}

[data-theme="dark"] .badge-success {
  background: var(--neon-green-bg) !important;
  color: var(--neon-green) !important;
  border: 1px solid var(--neon-green-border) !important;
  box-shadow: var(--neon-green-glow) !important;
}

[data-theme="dark"] .badge-danger {
  background: var(--neon-red-bg) !important;
  color: var(--neon-red) !important;
  border: 1px solid var(--neon-red-border) !important;
  box-shadow: var(--neon-red-glow) !important;
}

/* Animated Shimmer Progress Bar */
.progress {
  background: rgba(255, 255, 255, 0.08);
  height: 22px;
  min-width: 90px;
  border-radius: 9999px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

[data-theme="light"] .progress {
  background: rgba(0, 0, 0, 0.08);
}

.progress-bar {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 11px;
  font-weight: 700;
  transition: width 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.progress-bar.bar-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.progress-bar.bar-danger {
  background: linear-gradient(135deg, #f87171 0%, #ef4444 100%);
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 200%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  animation: shimmerProgress 2.2s infinite;
}

@keyframes shimmerProgress {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(100%);
  }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 40px 16px;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.7;
}

/* Today's Schedule Carousel */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 26px 0 14px;
}

.section-title {
  font-size: 15.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
}

.today-classes-container {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}

.today-classes-container::-webkit-scrollbar {
  display: none;
}

.today-period-card {
  min-width: 170px;
  padding: 15px;
  border-radius: 16px;
  background: var(--surface-glass);
  border: 1px solid var(--border-subtle);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.today-period-badge {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.today-subject-name {
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.3;
}

.today-room-pin {
  font-size: 11px;
  color: var(--text-muted);
}

/* Subject Grid */
.subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.subject-card {
  padding: 18px;
  border-radius: 18px;
  background: var(--surface-glass);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-depth);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.subject-card:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.45);
}

.sub-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.sub-code-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--electric-blue);
  background: rgba(59, 130, 246, 0.12);
  padding: 3px 8px;
  border-radius: 6px;
  font-family: var(--font-mono);
}

.sub-pct-chip {
  font-size: 14.5px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 8px;
  background: var(--neon-green-bg);
  color: var(--neon-green);
  border: 1px solid var(--neon-green-border);
  box-shadow: var(--neon-green-glow);
  font-family: var(--font-mono);
}

.sub-pct-chip.danger {
  background: var(--neon-red-bg);
  color: var(--neon-red);
  border-color: var(--neon-red-border);
  box-shadow: var(--neon-red-glow);
}

.sub-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
}

.sub-progress-bar {
  height: 8px;
  border-radius: 999px;
  background: var(--border-subtle);
  overflow: hidden;
}

.sub-progress-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--neon-green);
  transition: width 0.6s ease;
}

.sub-progress-fill.danger {
  background: var(--neon-red);
}

.sub-details-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.bunk-advice-chip {
  padding: 7px 12px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.bunk-advice-chip.safe {
  background: var(--neon-green-bg);
  color: var(--neon-green);
  border: 1px solid var(--neon-green-border);
}

.bunk-advice-chip.bunk-warn {
  background: var(--neon-yellow-bg);
  color: var(--neon-yellow);
  border: 1px solid var(--neon-yellow-border);
}

.bunk-advice-chip.danger {
  background: var(--neon-red-bg);
  color: var(--neon-red);
  border: 1px solid var(--neon-red-border);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  display: none;
  align-items: flex-end;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

@media (min-width: 768px) {
  .modal-overlay {
    align-items: center;
  }
}

.modal-dialog {
  background: rgba(10, 15, 26, 0.88);
  backdrop-filter: blur(32px) saturate(180%);
  -webkit-backdrop-filter: blur(32px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px 24px 0 0;
  width: 100%;
  max-width: 620px;
  max-height: 88vh;
  overflow-y: auto;
  padding: 24px 20px;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  animation: slideUpModal 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (min-width: 768px) {
  .modal-dialog {
    border-radius: 20px;
    max-height: 85vh;
  }
}

@keyframes slideUpModal {
  from {
    transform: translateY(100%);
  }

  to {
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
}

.close-modal-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-modal-btn:hover {
  color: var(--text-primary);
}

/* Bottom Navigation Dock */
.bottom-dock {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 95;
  background: var(--dock-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-subtle);
  padding: 6px 16px max(8px, env(safe-area-inset-bottom, 10px));
}

.dock-container {
  max-width: 480px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.dock-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 11px;
  font-weight: 600;
  padding: 6px 0;
  border-radius: 10px;
  transition: all 0.2s ease;
}

.dock-item.active {
  color: var(--electric-blue);
  background: rgba(59, 130, 246, 0.1);
}

.dock-item:active {
  transform: scale(0.92);
}

/* Forms */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  text-align: left;
}

.form-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  padding: 13px 15px;
  border-radius: 12px;
  border: 1.5px solid var(--border-subtle);
  background: var(--surface-glass);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
  font-family: inherit;
}

.form-input:focus {
  border-color: var(--electric-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.btn-primary {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: none;
  background: var(--primary-gradient);
  color: white;
  font-weight: 700;
  font-size: 14.5px;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(59, 130, 246, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-primary:active {
  transform: scale(0.98);
}

/* Register Matrix Table & Status Badges */
.P {
  color: var(--neon-green);
  font-weight: 700;
  background: var(--neon-green-bg);
  border: 1px solid var(--neon-green-border);
  border-radius: 6px;
  padding: 4px 8px;
  box-shadow: var(--neon-green-glow);
  font-size: 13px;
}

.A {
  color: var(--neon-red);
  font-weight: 700;
  background: var(--neon-red-bg);
  border: 1px solid var(--neon-red-border);
  border-radius: 6px;
  padding: 4px 8px;
  box-shadow: var(--neon-red-glow);
  font-size: 13px;
}

.PA {
  color: var(--neon-yellow);
  font-weight: 700;
  background: var(--neon-yellow-bg);
  border: 1px solid var(--neon-yellow-border);
  border-radius: 6px;
  padding: 4px 8px;
  box-shadow: var(--neon-yellow-glow);
  font-size: 13px;
}

.NA {
  color: var(--text-muted);
  font-style: italic;
  font-size: 13px;
}

.register-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
}

.register-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: center;
}

.register-table th,
.register-table td {
  padding: 12px 14px;
  border: 1px solid var(--border-subtle);
}

.register-table th {
  background: var(--surface-card);
  position: sticky;
  top: 0;
  z-index: 10;
  font-weight: 700;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.register-table td:first-child,
.register-table th:first-child {
  position: sticky;
  left: 0;
  z-index: 15;
  background: var(--surface-card);
  text-align: left;
  font-weight: 700;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/* ── VIEW SWITCHER PILL (Guaranteed Text Visibility in Dark & Light) ── */
.view-switcher-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--surface-card);
  padding: 4px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.view-switch-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 9px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

[data-theme="light"] .view-switch-btn:not(.active) {
  color: #334155 !important;
}

.view-switch-btn:hover:not(.active) {
  background: var(--surface-glass-hover);
  color: var(--text-primary);
}

.view-switch-btn.active {
  background: var(--electric-blue) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.view-switch-btn.active svg {
  stroke: #ffffff !important;
}

/* ── CLICKABLE MATRIX CELLS ── */
.matrix-cell-clickable {
  cursor: pointer;
  transition: background 0.18s ease, transform 0.12s ease;
  user-select: none;
}

.matrix-cell-clickable:hover {
  background: rgba(59, 130, 246, 0.12) !important;
}

.matrix-cell-clickable:active {
  transform: scale(0.95);
}

/* ── TIMELINE VIEW: DESKTOP CARDS GRID & RESPONSIVE MOBILE ROW ── */
.timeline-day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.timeline-day-calendar-icon {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: rgba(59, 130, 246, 0.14);
  color: var(--electric-blue);
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-day-pills {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pill-classes-count {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
}

[data-theme="light"] .pill-classes-count {
  background: #f1f5f9;
}

.pill-day-ratio {
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 6px;
  font-family: var(--font-mono);
}

.pill-day-ratio.safe {
  color: var(--neon-green);
  background: var(--neon-green-bg);
  border: 1px solid var(--neon-green-border);
}

.pill-day-ratio.danger {
  color: var(--neon-red);
  background: var(--neon-red-bg);
  border: 1px solid var(--neon-red-border);
}

.pill-day-ratio.warn {
  color: var(--neon-yellow);
  background: var(--neon-yellow-bg);
  border: 1px solid var(--neon-yellow-border);
}

/* Old timeline styles removed to prevent grid blowout */

.timeline-period-item-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}

.timeline-period-item-card:hover {
  transform: translateY(-2px);
  border-color: var(--electric-blue);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.period-item-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.period-item-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--electric-blue);
  background: rgba(59, 130, 246, 0.12);
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0.5px;
  font-family: var(--font-mono);
}

.period-item-sub {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.period-sub-code {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-primary);
}

.period-sub-fullname {
  font-size: 11.5px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.period-item-topic {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
  background: rgba(255, 255, 255, 0.04);
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: flex-start;
  gap: 6px;
  word-break: break-word;
  min-height: 48px;
}

[data-theme="light"] .period-item-topic {
  background: #f8fafc;
}

.period-item-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 4px;
  font-size: 11.5px;
}

.period-item-expand-hint {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11px;
  margin-left: auto;
}

.btn-resource-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-resource-pill.ppt {
  color: #f97316;
  background: rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(249, 115, 22, 0.3);
}

.btn-resource-pill.ppt:hover {
  background: rgba(249, 115, 22, 0.22);
}

.btn-resource-pill.yt {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-resource-pill.yt:hover {
  background: rgba(239, 68, 68, 0.22);
}

/* ── ATTENDANCE MANAGER PHOTO 2 DESIGN SYSTEM ── */
.att-mgr-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

@media (max-width: 960px) {
  .att-mgr-summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .att-mgr-summary-grid {
    grid-template-columns: 1fr;
  }
}

.att-mgr-stat-card {
  background: rgba(13, 21, 38, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease, box-shadow 0.2s ease;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.att-mgr-stat-card:hover {
  border-color: var(--electric-blue);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.att-mgr-stat-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.att-mgr-stat-val {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  line-height: 1.15;
}

.att-mgr-stat-sub {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── FILTER & SWITCHER BAR ── */
.att-mgr-filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
  background: rgba(13, 21, 38, 0.6);
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
}

.att-mgr-view-switcher {
  display: inline-flex;
  gap: 6px;
  background: rgba(0, 0, 0, 0.25);
  padding: 4px;
  border-radius: 11px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.att-mgr-view-btn {
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 700;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.att-mgr-view-btn:hover:not(.active) {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.att-mgr-view-btn.active {
  background: var(--electric-blue) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

/* ── TIMELINE DAY CARD & PHOTO 2 PERIOD CARDS GRID ── */
.timeline-day-card {
  background: rgba(13, 21, 38, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.timeline-day-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.timeline-day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.timeline-date-title {
  font-weight: 800;
  font-size: 14px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.timeline-day-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
}

/* Desktop 3-column Grid matching Photo 2 */
/* Desktop 3-column Grid matching Photo 2 (strictly aligned, no blowout) */
.timeline-periods-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 12px;
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 960px) {
  .timeline-periods-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px;
  }
}

@media (max-width: 600px) {
  .timeline-periods-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 10px;
  }
}

/* Compact Period Card matching Photo 2 */
.timeline-period-item {
  background: rgba(10, 16, 30, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 12px 14px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 6px;
  position: relative;
  user-select: none;
  min-width: 0 !important;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  min-height: 86px;
}

.timeline-period-item:hover {
  transform: translateY(-2px);
  border-color: var(--electric-blue);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.25);
}

.timeline-period-item.present {
  border-left: 4px solid #10b981 !important;
}

.timeline-period-item.absent {
  border-left: 4px solid #ef4444 !important;
}

.period-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-width: 0;
  width: 100%;
}

.period-num-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  white-space: nowrap;
}

.period-status-pill {
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 10.5px;
  font-weight: 800;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  flex-shrink: 0;
}

.period-status-pill.present {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.period-status-pill.absent {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.period-sub-code {
  font-size: 13.5px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.3;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.period-topic-text {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  line-height: 1.35;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

/* ── RED, YELLOW, GREEN SYSTEM ── */
.att-pct-badge {
  display: inline-flex;
  align-items: center;
  padding: 2.5px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 800;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  letter-spacing: 0.3px;
}

.att-pct-badge.safe {
  background: rgba(16, 185, 129, 0.16);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.att-pct-badge.warn {
  background: rgba(245, 158, 11, 0.16);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.att-pct-badge.danger {
  background: rgba(239, 68, 68, 0.16);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.35);
}

/* ── MATRIX VIEW TABLE ── */
.matrix-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 12px;
}

.matrix-table th {
  padding: 10px 12px;
  background: rgba(10, 16, 30, 0.95);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--electric-blue);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 10;
}

.matrix-table th:first-child,
.matrix-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 15;
  background: rgba(13, 21, 38, 0.95);
  text-align: left;
  font-weight: 700;
  min-width: 110px;
}

.matrix-table td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
  vertical-align: middle;
}

.matrix-cell-clickable {
  cursor: pointer;
  transition: background 0.15s ease;
}

.matrix-cell-clickable:hover {
  background: rgba(59, 130, 246, 0.12) !important;
}

.matrix-cell {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 800;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  transition: transform 0.12s ease;
}

.matrix-cell:hover {
  transform: scale(1.08);
}

.matrix-cell.present {
  background: rgba(16, 185, 129, 0.16);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.matrix-cell.absent {
  background: rgba(239, 68, 68, 0.16);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.35);
}

.matrix-cell.warn {
  background: rgba(245, 158, 11, 0.16);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.matrix-cell.none {
  color: var(--text-muted);
}

/* ── LIGHT THEME OVERRIDES ── */
[data-theme="light"] .att-mgr-stat-card {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .att-mgr-stat-val {
  color: #0f172a;
}

[data-theme="light"] .att-mgr-stat-label,
[data-theme="light"] .att-mgr-stat-sub {
  color: #64748b;
}

[data-theme="light"] .att-mgr-filter-bar {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .att-mgr-view-switcher {
  background: #f1f5f9;
  border-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .att-mgr-view-btn:not(.active) {
  color: #475569;
}

[data-theme="light"] .timeline-day-card {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .timeline-day-header {
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .timeline-date-title {
  color: #0f172a;
}

[data-theme="light"] .timeline-period-item {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.09);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .timeline-period-item:hover {
  border-color: var(--electric-blue);
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.15);
}

[data-theme="light"] .period-sub-code {
  color: #0f172a;
}

[data-theme="light"] .period-num-badge {
  color: #64748b;
}

[data-theme="light"] .period-topic-text {
  color: #64748b;
}

[data-theme="light"] .matrix-table th {
  background: #f8fafc;
  color: #475569;
  border-right-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .matrix-table th:first-child,
[data-theme="light"] .matrix-table td:first-child {
  background: #ffffff;
  color: #0f172a;
}

[data-theme="light"] .matrix-table td {
  border-bottom-color: rgba(0, 0, 0, 0.06);
  border-right-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .modal-dialog {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(0, 0, 0, 0.12);
  color: #0f172a;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .modal-title {
  color: #0f172a;
}

[data-theme="light"] .att-pct-badge.safe {
  background: #ecfdf5;
  color: #059669;
  border-color: #a7f3d0;
}

[data-theme="light"] .att-pct-badge.warn {
  background: #fffbeb;
  color: #d97706;
  border-color: #fde68a;
}

[data-theme="light"] .att-pct-badge.danger {
  background: #fef2f2;
  color: #dc2626;
  border-color: #fecaca;
}

/* ── WEEKLY TIMETABLE STYLES ── */
.tt-matrix-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 12px;
  background: var(--surface-card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.tt-matrix-table th {
  padding: 10px 8px;
  background: rgba(10, 16, 30, 0.95);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  border-bottom: 2px solid var(--electric-blue);
  border-right: 1px solid var(--border-subtle);
  text-align: center;
  line-height: 1.3;
  white-space: nowrap;
}

.tt-matrix-table td {
  padding: 8px 6px;
  border-bottom: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  vertical-align: middle;
  text-align: center;
}

.tt-day-label {
  font-weight: 800;
  color: var(--electric-blue);
  font-family: var(--font-mono, monospace);
  font-size: 12.5px;
  background: rgba(59, 130, 246, 0.08);
  white-space: nowrap;
  padding: 8px 10px !important;
}

.tt-cell-box {
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: center;
  justify-content: center;
  min-height: 44px;
}

.tt-course-chip {
  font-weight: 800;
  font-size: 11.5px;
  padding: 2px 7px;
  border-radius: 6px;
  display: inline-block;
  font-family: var(--font-mono, monospace);
}

.tt-course-chip.theory {
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.tt-course-chip.lab {
  color: #c084fc;
  background: rgba(192, 132, 252, 0.12);
  border: 1px solid rgba(192, 132, 252, 0.3);
}

.tt-faculty-name {
  font-size: 10px;
  color: var(--text-muted);
  max-width: 100px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
}

[data-theme="light"] .tt-matrix-table th {
  background: #f1f5f9;
  color: #334155;
  border-right-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .tt-day-label {
  background: #f8fafc;
  color: #0284c7;
}

[data-theme="light"] .tt-matrix-table td {
  border-bottom-color: rgba(0, 0, 0, 0.06);
  border-right-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .tt-course-chip.theory {
  color: #0284c7;
  background: #e0f2fe;
  border-color: #bae6fd;
}

[data-theme="light"] .tt-course-chip.lab {
  color: #7e22ce;
  background: #f3e8ff;
  border-color: #e9d5ff;
}

[data-theme="light"] .tt-faculty-name {
  color: #64748b;
}

/* ═══════════════════════════════════════════════════════
   BIOMETRIC DATE RANGE CALENDAR & INSIGHTS
   ═══════════════════════════════════════════════════════ */
.bio-date-range-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--surface-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 16px;
}

.bio-date-inputs-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.bio-date-input-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.bio-date-label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.bio-date-input {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 8px;
  outline: none;
  transition: all 0.2s ease;
  cursor: pointer;
}

.bio-date-input:focus {
  border-color: var(--electric-blue);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.bio-date-reset-btn {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.bio-date-reset-btn:hover {
  color: var(--electric-blue);
  border-color: var(--electric-blue);
}

.bio-insight-banner {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 16px;
  display: none;
}

/* ═══════════════════════════════════════════════════════
   EMBEDDED BIOMETRIC ATTENDANCE SIMULATOR
   ═══════════════════════════════════════════════════════ */
.bio-sim-card {
  background: var(--surface-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 18px;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
}

.bio-sim-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.bio-sim-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--electric-blue);
  display: flex;
  align-items: center;
  gap: 7px;
}

.bio-sim-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.bio-sim-btn {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--surface-card);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: inherit;
}

.bio-sim-btn.attend {
  color: var(--neon-green);
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.08);
}

.bio-sim-btn.attend:hover {
  background: #10b981;
  color: #ffffff;
  border-color: #10b981;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.bio-sim-btn.bunk {
  color: var(--neon-red);
  border-color: rgba(239, 68, 68, 0.4);
  background: rgba(239, 68, 68, 0.08);
}

.bio-sim-btn.bunk:hover {
  background: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.35);
}

.bio-sim-btn.reset {
  color: var(--text-secondary);
}

.bio-sim-btn.reset:hover {
  color: var(--neon-red);
  border-color: var(--neon-red);
}

.bio-sim-sentence {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text-primary);
}

.bio-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
}

.bio-kpi-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 3px;
  transition: transform 0.2s ease;
}

.bio-kpi-card:hover {
  transform: translateY(-1px);
}

.bio-kpi-val {
  font-size: 18px;
  font-weight: 800;
  font-family: var(--font-mono, monospace);
  color: var(--text-primary);
}

.bio-kpi-label {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.sim-progress-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

[data-theme="light"] .sim-progress-track {
  background: rgba(0, 0, 0, 0.08);
}

.sim-progress-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1), background 0.4s ease;
}

/* ═══════════════════════════════════════════════════════
   DYNAMIC ATTENDANCE SIMULATOR — MULTI-CLICK STEPPERS
   ═══════════════════════════════════════════════════════ */
.sim-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border-subtle);
}

.sim-toolbar-modes {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.sim-mode-switcher {
  display: flex;
  background: rgba(0, 0, 0, 0.28);
  padding: 3px;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  gap: 2px;
}

[data-theme="light"] .sim-mode-switcher {
  background: rgba(226, 232, 240, 0.6);
}

.sim-mode-btn {
  padding: 6px 13px;
  font-size: 11.5px;
  font-weight: 700;
  border-radius: 20px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.sim-mode-btn:hover {
  border-color: var(--electric-blue);
  color: var(--electric-blue);
}

.sim-mode-btn.active {
  background: linear-gradient(135deg, #0ea5e9, #2563eb);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 3px 12px rgba(14, 165, 233, 0.35);
}

.sim-toolbar-presets {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.sim-preset-btn {
  padding: 5px 12px;
  font-size: 11.5px;
  font-weight: 700;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  background: var(--surface-card);
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.18s ease;
}

.sim-preset-btn:hover {
  border-color: var(--electric-blue);
  color: var(--electric-blue);
  transform: translateY(-1px);
}

.sim-preset-btn.preset-attend {
  color: var(--neon-green);
  border-color: rgba(16, 185, 129, 0.35);
  background: rgba(16, 185, 129, 0.08);
}

.sim-preset-btn.preset-bunk {
  color: var(--neon-red);
  border-color: rgba(244, 63, 94, 0.35);
  background: rgba(244, 63, 94, 0.08);
}

.sim-preset-btn.preset-reset {
  color: var(--text-secondary);
}

.sim-add-class-btn {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 20px;
  border: 1px solid var(--electric-blue);
  background: rgba(37, 99, 235, 0.12);
  color: var(--electric-blue);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.sim-add-class-btn:hover {
  background: var(--electric-blue);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

#simRowsContainer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 44vh;
  overflow-y: auto;
  margin-bottom: 16px;
  padding-right: 4px;
}

.sim-summary-panel {
  padding: 16px;
  margin-bottom: 14px;
  background: var(--surface-card);
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
}

.sim-summary-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.sim-summary-label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.sim-summary-gauge {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.sim-current-pct {
  font-size: 17px;
  color: var(--text-muted);
  text-decoration: line-through;
}

.sim-arrow {
  color: var(--text-muted);
}

.sim-projected-pct {
  font-size: 26px;
  font-weight: 800;
  color: var(--neon-green);
}

.sim-advice-text {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

.btn-close-sim {
  width: 100%;
}

.sim-period-row {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.2s ease;
}

.sim-period-row:hover {
  border-color: var(--electric-blue);
}

.sim-period-row.attend-active {
  border-left: 4px solid #10b981;
  background: rgba(16, 185, 129, 0.04);
}

.sim-period-row.bunk-active {
  border-left: 4px solid #ef4444;
  background: rgba(239, 68, 68, 0.04);
}

.sim-period-row.dual-active {
  border-left: 4px solid var(--electric-blue);
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.05), rgba(239, 68, 68, 0.05));
}

.sim-row-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.sim-period-tag {
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  font-weight: 800;
  color: var(--electric-blue);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.sim-row-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  width: 100%;
}

.sim-select-wrap {
  flex: 1;
  min-width: 180px;
}

.sim-subject-select {
  width: 100%;
  padding: 8px 12px;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--surface-glass);
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.2s ease;
}

.sim-subject-select:focus {
  border-color: var(--electric-blue);
}

.sim-toggle-group {
  display: flex;
  gap: 6px;
  align-items: center;
}

.sim-stepper-btn-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.sim-stepper-minus-btn {
  width: 30px;
  min-width: 30px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--surface-glass);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  transition: all 0.18s ease;
}

.sim-stepper-minus-btn.attend {
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.35);
}

.sim-stepper-minus-btn.attend:hover {
  background: rgba(16, 185, 129, 0.25);
  border-color: #10b981;
  color: #ffffff;
}

.sim-stepper-minus-btn.bunk {
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.35);
}

.sim-stepper-minus-btn.bunk:hover {
  background: rgba(239, 68, 68, 0.25);
  border-color: #ef4444;
  color: #ffffff;
}

.sim-row-count-badge {
  font-size: 10.5px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 6px;
  font-family: var(--font-mono, monospace);
}

.sim-row-count-badge.attend {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.sim-row-count-badge.bunk {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.35);
}

.sim-toggle-btn {
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--surface-glass);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: inherit;
  transition: all 0.2s ease;
  min-height: 36px;
  user-select: none;
}

.sim-toggle-btn.attend {
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.3);
}

.sim-toggle-btn.attend:hover {
  background: rgba(16, 185, 129, 0.1);
}

.sim-toggle-btn.attend.active {
  background: #10b981;
  color: #ffffff;
  border-color: #10b981;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.sim-toggle-btn.bunk {
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.3);
}

.sim-toggle-btn.bunk:hover {
  background: rgba(239, 68, 68, 0.1);
}

.sim-toggle-btn.bunk.active {
  background: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.35);
}

.sim-row-reset-btn {
  background: var(--surface-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: all 0.2s ease;
}

.sim-row-reset-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-primary);
}

.sim-row-del-btn {
  background: var(--surface-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: all 0.2s ease;
}

.sim-row-del-btn:hover {
  color: var(--neon-red);
  border-color: var(--neon-red);
}

.sim-delta-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 6px;
  font-family: var(--font-mono, monospace);
}

.sim-delta-badge.positive,
.sim-delta-badge.up {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.sim-delta-badge.negative,
.sim-delta-badge.down {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.sim-delta-badge.neutral {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

[data-theme="light"] .sim-delta-badge.neutral {
  background: rgba(0, 0, 0, 0.05);
  color: #64748b;
}

[data-theme="light"] .bio-date-input {
  background: #ffffff;
  border-color: #cbd5e1;
  color: #0f172a;
}

[data-theme="light"] .bio-sim-card,
[data-theme="light"] .sim-period-row,
[data-theme="light"] .bio-kpi-card,
[data-theme="light"] .bio-sim-sentence {
  background: #ffffff;
  border-color: #e2e8f0;
}

/* ═══════════════════════════════════════════════════════
   PWA DOWNLOAD / INSTALL APP BUTTON
   ═══════════════════════════════════════════════════════ */
.btn-download-app {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.2px;
  cursor: pointer;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.22), rgba(6, 182, 212, 0.22));
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.45);
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  user-select: none;
}

[data-theme="light"] .btn-download-app {
  background: linear-gradient(135deg, #059669, #0891b2);
  color: #ffffff;
  border-color: #059669;
  box-shadow: 0 3px 12px rgba(5, 150, 105, 0.28);
}

.btn-download-app:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
  filter: brightness(1.1);
  border-color: #10b981;
}

.btn-download-app:active {
  transform: scale(0.95);
}

.btn-download-app svg {
  flex-shrink: 0;
  stroke: currentColor;
  animation: bounceDown 2s infinite ease-in-out;
}

@keyframes bounceDown {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(2px);
  }
}

/* ═══════════════════════════════════════════════════════
   SMART PWA APP INSTALL BANNER (MOBILE & DESKTOP)
   ═══════════════════════════════════════════════════════ */
.pwa-install-banner {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.14), rgba(16, 185, 129, 0.14));
  border-bottom: 1px solid rgba(56, 189, 248, 0.28);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 10px 16px;
  position: relative;
  z-index: 90;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.15);
  animation: slideDownBanner 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] .pwa-install-banner {
  background: linear-gradient(135deg, #e0f2fe, #d1fae5);
  border-bottom: 1px solid #7dd3fc;
}

@keyframes slideDownBanner {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.pwa-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.pwa-banner-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.pwa-banner-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.35);
  flex-shrink: 0;
}

.pwa-banner-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.pwa-banner-title {
  font-size: 13.5px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
}

.pwa-banner-sub {
  font-size: 11.5px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pwa-banner-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.pwa-banner-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 800;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, #0284c7, #10b981);
  color: #ffffff;
  box-shadow: 0 3px 12px rgba(2, 132, 199, 0.4);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.pwa-banner-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

.pwa-banner-btn:active {
  transform: scale(0.96);
}

.pwa-banner-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  font-size: 14px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.pwa-banner-close:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

/* ═══════════════════════════════════════════════════════
   HELP & SUPPORT BOX (MOBILE & DESKTOP)
   ═══════════════════════════════════════════════════════ */
.help-support-box {
  margin-top: 24px;
  margin-bottom: 24px;
  padding: 20px 22px;
  background: var(--surface-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  box-shadow: var(--shadow-depth);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}

.help-support-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #38bdf8, #818cf8);
}

.help-box-content {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  flex: 1;
  min-width: 240px;
}

.help-box-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.14);
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #38bdf8;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(56, 189, 248, 0.2);
}

.help-box-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.help-box-title {
  font-size: 15.5px;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
}

.help-box-subtitle {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0;
}

.help-quick-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.help-chip {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.help-chip:hover {
  border-color: var(--electric-blue);
  color: var(--electric-blue);
  transform: translateY(-1px);
}

.help-box-submit-btn {
  padding: 12px 20px !important;
  font-size: 13.5px !important;
  font-weight: 800 !important;
  border-radius: 12px !important;
  white-space: nowrap !important;
  width: auto !important;
  flex-shrink: 0;
}

/* Modal Quick Topic Buttons */
.help-topic-btn {
  padding: 5px 10px;
  border-radius: 8px;
  font-size: 11.5px;
  font-weight: 700;
  border: 1px solid var(--border-subtle);
  background: var(--surface-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.18s ease;
}

.help-topic-btn:hover,
.help-topic-btn.active {
  border-color: var(--electric-blue);
  background: rgba(59, 130, 246, 0.15);
  color: var(--electric-blue);
}

/* ── SMOOTH APP LOADING SCREEN ANIMATION ── */
.app-loading-screen {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: #090d16;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.45s ease, transform 0.45s ease;
  pointer-events: all;
}

[data-theme="light"] .app-loading-screen {
  background: #f8fafc;
}

.app-loading-screen.fade-out {
  opacity: 0 !important;
  visibility: hidden !important;
  transform: scale(1.02) !important;
  pointer-events: none !important;
}

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  max-width: 320px;
  padding: 24px;
}

.loading-logo-wrapper {
  position: relative;
  width: 76px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loading-logo-img {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  box-shadow: 0 8px 30px rgba(56, 189, 248, 0.35);
  position: relative;
  z-index: 2;
  animation: logoBreath 2.2s ease-in-out infinite;
}

.loading-pulse-ring {
  position: absolute;
  inset: -6px;
  border-radius: 24px;
  border: 2px solid transparent;
  background: linear-gradient(135deg, #0ea5e9, #38bdf8, #10b981) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: rotateRing 3s linear infinite;
  opacity: 0.8;
}

@keyframes logoBreath {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); filter: drop-shadow(0 0 16px rgba(56, 189, 248, 0.6)); }
}

@keyframes rotateRing {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.loading-app-title {
  font-size: 17px;
  font-weight: 800;
  font-family: var(--font-display, sans-serif);
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
}

.loading-status-text {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.2px;
  min-height: 18px;
}

.loading-progress-track {
  width: 170px;
  height: 4px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  position: relative;
}

[data-theme="light"] .loading-progress-track {
  background: rgba(0, 0, 0, 0.08);
}

.loading-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 50%;
  border-radius: 99px;
  background: linear-gradient(90deg, #0ea5e9, #38bdf8, #10b981);
  animation: loadingWave 1.4s ease-in-out infinite;
}

@keyframes loadingWave {
  0% { left: -50%; width: 30%; }
  50% { width: 70%; }
  100% { left: 100%; width: 30%; }
}

/* ═══════════════════════════════════════════════════════
   SAFE AREA & DOCK OVERLAP PROTECTION
   ═══════════════════════════════════════════════════════ */
.bottom-dock {
  padding-bottom: max(8px, env(safe-area-inset-bottom, 12px)) !important;
}

.main-content {
  padding-bottom: max(96px, calc(76px + env(safe-area-inset-bottom, 16px))) !important;
}

/* ═══════════════════════════════════════════════════════
   COMPREHENSIVE MOBILE RESPONSIVE ENGINE (MAX-WIDTH: 640PX)
   ═══════════════════════════════════════════════════════ */
@media (max-width: 640px) {

  /* Proper mobile input typography & compact selectors */
  .login-card input[type="text"],
  .login-card input[type="password"],
  .modal-dialog input[type="text"],
  .modal-dialog textarea {
    font-size: 14px;
  }

  select {
    font-size: 11.5px !important;
  }

  /* Header & Branding */
  .app-header {
    padding: 10px 12px;
  }

  .header-container {
    padding: 0;
  }

  .brand-section {
    gap: 8px;
    min-width: 0;
    flex-shrink: 1;
  }

  .brand-icon-box {
    width: 32px;
    height: 32px;
    border-radius: 9px;
  }

  .brand-logo-img {
    width: 32px;
    height: 32px;
  }

  .brand-section {
    gap: 8px;
    min-width: 0;
    flex-shrink: 0;
  }

  .brand-text {
    min-width: 0;
  }

  .brand-title-rest {
    display: none !important;
  }

  .brand-title-short {
    font-size: 16px !important;
    font-weight: 800 !important;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    display: inline-block;
  }

  .brand-text h1 {
    font-size: 16px;
    line-height: 1.1;
    white-space: nowrap;
    max-width: none !important;
    overflow: visible !important;
    text-overflow: clip !important;
    margin: 0;
  }

  .brand-disclaimer {
    display: none !important;
  }

  .header-controls {
    gap: 5px;
    flex-shrink: 0;
  }

  /* Hide header download app button on mobile so header controls never wrap */
  .header-controls .btn-download-app {
    display: none !important;
  }

  .student-chip {
    padding: 5px 8px;
    font-size: 11px;
    max-width: 145px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-height: 32px;
  }

  .icon-btn {
    width: 32px;
    height: 32px;
    min-width: 32px;
    min-height: 32px;
    padding: 0;
    border-radius: 9px;
  }

  /* Main Container - Extra bottom clearance for mobile bottom dock nav */
  .main-content {
    padding: 14px 12px 115px 12px !important;
  }

  /* Pre-login Card */
  #loginSection {
    margin: 16px auto;
    padding: 24px 16px;
    border-radius: 18px;
  }

  /* Quick Actions Bar */
  .quick-actions-bar,
  .top-actions-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-bottom: 16px;
  }

  .action-pill-btn {
    padding: 9px 4px;
    font-size: 11.5px;
    gap: 4px;
    border-radius: 11px;
    min-height: 40px;
    justify-content: center;
    text-align: center;
  }

  .action-pill-btn svg {
    width: 14px;
    height: 14px;
  }

  /* Stats Grid Cards */
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 18px;
  }

  .stat-card {
    padding: 16px 14px;
    border-radius: 16px;
  }

  .stat-card-title {
    font-size: 12px;
  }

  .stat-card-value {
    font-size: 24px;
  }

  .stat-card-label {
    font-size: 11px;
  }

  .stat-card-advice {
    padding: 8px 10px;
    font-size: 11.5px;
  }

  /* Academic & Biometric Cards */
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 14px;
  }

  .card-title-group {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 6px;
  }

  .bio-card-header {
    padding: 14px 14px 10px 14px;
  }

  .bio-header-pill-group {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;
  }

  .card-header-actions {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
  }

  .view-switcher {
    flex: 1;
    max-width: 160px;
  }

  .card-body {
    padding: 14px 12px;
  }

  /* Academic Attendance Table Mobile Rules */
  .table-scroll-hint {
    font-size: 11px !important;
    text-align: center !important;
    padding: 6px 10px !important;
    background: rgba(56, 189, 248, 0.08) !important;
    border-radius: 8px !important;
    margin-bottom: 8px !important;
    color: var(--electric-blue) !important;
    font-weight: 700 !important;
  }

  table.academic-attendance-table {
    min-width: 530px !important;
    font-size: 12px !important;
  }

  table.academic-attendance-table th,
  table.academic-attendance-table td {
    padding: 8px 6px !important;
    font-size: 11.5px !important;
  }

  /* Sticky First Column for Course Code — Zero Overlap with Column 2 */
  table.academic-attendance-table th:first-child,
  table.academic-attendance-table td:first-child {
    position: sticky;
    left: 0;
    z-index: 4;
    padding-left: 8px !important;
    padding-right: 6px !important;
    width: 82px !important;
    min-width: 82px !important;
    max-width: 86px !important;
    box-sizing: border-box !important;
  }

  table.academic-attendance-table th:first-child {
    z-index: 6 !important;
    white-space: normal !important;
    word-break: break-word !important;
    line-height: 1.15 !important;
    font-size: 10.5px !important;
    letter-spacing: 0.2px !important;
    text-align: left !important;
    overflow: hidden !important;
  }

  [data-theme="dark"] table.academic-attendance-table th:first-child,
  [data-theme="dark"] table.academic-attendance-table td:first-child {
    background: #0b1120 !important;
    box-shadow: 3px 0 8px rgba(0, 0, 0, 0.55);
  }

  [data-theme="light"] table.academic-attendance-table th:first-child,
  [data-theme="light"] table.academic-attendance-table td:first-child {
    background: #f8fafc !important;
    box-shadow: 3px 0 8px rgba(0, 0, 0, 0.1);
  }

  /* Column 2: Subject Header & Data Cells */
  table.academic-attendance-table th:nth-child(2),
  table.academic-attendance-table td:nth-child(2),
  .table-subject-name {
    min-width: 135px !important;
    max-width: 170px !important;
    font-size: 11.5px !important;
    line-height: 1.3 !important;
    word-break: break-word !important;
    white-space: normal !important;
    text-align: left !important;
    padding-left: 12px !important;
    padding-right: 8px !important;
  }

  table.academic-attendance-table th:nth-child(3),
  table.academic-attendance-table td:nth-child(3) {
    width: 48px !important;
    padding: 8px 4px !important;
  }

  table.academic-attendance-table th:nth-child(4),
  table.academic-attendance-table td:nth-child(4) {
    width: 44px !important;
    padding: 8px 4px !important;
  }

  table.academic-attendance-table th:nth-child(5),
  table.academic-attendance-table td:nth-child(5) {
    width: 76px !important;
    padding: 8px 4px !important;
  }

  table.academic-attendance-table th:nth-child(6),
  table.academic-attendance-table td:nth-child(6) {
    width: 90px !important;
    padding: 8px 6px !important;
  }

  .course-code-pill {
    font-size: 10.5px !important;
    padding: 2px 6px !important;
    border-radius: 6px !important;
  }

  .table-num-attended {
    font-size: 13px !important;
  }

  .table-num-total {
    font-size: 12px !important;
  }

  table.academic-attendance-table .badge {
    padding: 3px 6px !important;
    font-size: 10.5px !important;
    border-radius: 6px !important;
    white-space: nowrap !important;
  }

  /* Biometric Table on Mobile */
  #biometricLogsTable th,
  #biometricLogsTable td {
    padding: 10px 8px;
    font-size: 12px;
  }

  #biometricLogsTable th:nth-child(1),
  #biometricLogsTable td:nth-child(1) {
    width: 50px !important;
    padding: 8px 2px !important;
  }

  #biometricLogsTable th:nth-child(2),
  #biometricLogsTable td:nth-child(2) {
    padding-left: 10px !important;
    padding-right: 6px !important;
    font-size: 12px;
  }

  #biometricLogsTable th:nth-child(3),
  #biometricLogsTable td:nth-child(3) {
    width: 100px !important;
    padding: 8px 4px !important;
  }

  .badge {
    padding: 4px 8px;
    font-size: 10.5px;
  }

  /* Biometric Date Range Filter — Managed Sleek Sizing */
  .bio-date-range-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 8px 10px;
    border-radius: 11px;
    margin-bottom: 12px;
  }

  .bio-date-inputs-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    width: 100%;
  }

  .bio-date-input-group {
    flex-direction: row;
    align-items: center;
    gap: 4px;
    width: 100%;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 3px 6px;
    box-sizing: border-box;
  }

  [data-theme="light"] .bio-date-input-group {
    background: rgba(255, 255, 255, 0.85);
    border-color: #cbd5e1;
  }

  .bio-date-label {
    font-size: 10px;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    flex-shrink: 0;
  }

  .bio-date-input {
    width: 100%;
    box-sizing: border-box;
    min-height: 28px;
    height: 28px;
    padding: 2px 4px;
    font-size: 11px !important;
    font-weight: 600;
    border: none;
    background: transparent;
    outline: none;
    border-radius: 4px;
    color: var(--text-primary);
  }

  .bio-date-input::-webkit-calendar-picker-indicator {
    padding: 0;
    margin: 0;
    cursor: pointer;
    transform: scale(0.82);
    opacity: 0.8;
  }

  .bio-date-reset-btn {
    width: 100%;
    min-height: 28px;
    height: 28px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 7px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* Biometric 5-KPI Stat Grid */
  .biometric-metrics-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }

  .biometric-metrics-grid> :nth-child(5) {
    grid-column: 1 / -1 !important;
  }

  .kpi-mini-stat {
    padding: 10px 6px;
  }

  .kpi-mini-val {
    font-size: 20px;
  }

  .kpi-mini-lbl {
    font-size: 10px;
  }

  /* Biometric Punch Simulator */
  .bio-sim-header {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .bio-sim-actions {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 6px;
    width: 100%;
  }

  .bio-sim-btn {
    padding: 8px 4px;
    font-size: 11px;
    min-height: 38px;
    justify-content: center;
    text-align: center;
  }

  .bio-kpi-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 6px !important;
  }

  .bio-kpi-card {
    padding: 8px 4px;
  }

  .bio-kpi-val {
    font-size: 16px;
  }

  .bio-kpi-label {
    font-size: 9px;
  }

  /* ═══════════════════════════════════════════════════════
     ATTENDANCE SIMULATOR POPUP — PRETTY PERFECT MOBILE ENGINE
     ═══════════════════════════════════════════════════════ */
  #simulatorModal.modal-overlay {
    align-items: flex-end !important;
    padding: 0 !important;
  }

  #simulatorModal .modal-dialog {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
    height: 90vh !important;
    max-height: 90vh !important;
    border-radius: 22px 22px 0 0 !important;
    padding: 12px 14px max(14px, env(safe-area-inset-bottom, 14px)) 14px !important;
    overflow: hidden !important;
    border-bottom: none !important;
    background: rgba(10, 15, 26, 0.94) !important;
    backdrop-filter: blur(28px) saturate(190%) !important;
    -webkit-backdrop-filter: blur(28px) saturate(190%) !important;
    box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.75), inset 0 1px 0 rgba(255, 255, 255, 0.22) !important;
  }

  [data-theme="light"] #simulatorModal .modal-dialog {
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.8) !important;
  }

  #simulatorModal .modal-header {
    margin-bottom: 8px !important;
    padding-bottom: 8px !important;
    flex-shrink: 0 !important;
    border-bottom: 1px solid var(--border-subtle) !important;
  }

  #simulatorModal .modal-title {
    font-size: 15px !important;
    gap: 6px !important;
  }

  #simModalSubtitle {
    font-size: 11px !important;
    line-height: 1.25 !important;
    margin-top: 1px !important;
  }

  /* Compact Mode & Preset Toolbar */
  .sim-toolbar {
    display: flex !important;
    flex-direction: column !important;
    gap: 6px !important;
    padding-bottom: 8px !important;
    margin-bottom: 8px !important;
    border-bottom: 1px dashed var(--border-subtle) !important;
    flex-shrink: 0 !important;
  }

  .sim-toolbar-modes {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    width: 100% !important;
  }

  .sim-mode-switcher {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    flex: 1 !important;
    background: rgba(0, 0, 0, 0.35) !important;
    padding: 3px !important;
    border-radius: 10px !important;
    border: 1px solid var(--border-subtle) !important;
    gap: 3px !important;
  }

  [data-theme="light"] .sim-mode-switcher {
    background: rgba(226, 232, 240, 0.75) !important;
  }

  .sim-mode-btn {
    padding: 5px 4px !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    border-radius: 7px !important;
    border: none !important;
    background: transparent !important;
    color: var(--text-muted) !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px !important;
    white-space: nowrap !important;
    height: 30px !important;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
  }

  .sim-mode-btn.active {
    background: linear-gradient(135deg, #0ea5e9, #2563eb) !important;
    color: #ffffff !important;
    box-shadow: 0 2px 10px rgba(14, 165, 233, 0.35) !important;
  }

  .sim-add-class-btn {
    height: 36px !important;
    padding: 0 10px !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    border-radius: 10px !important;
    border: 1px dashed var(--electric-blue) !important;
    background: rgba(37, 99, 235, 0.12) !important;
    color: var(--electric-blue) !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
  }

  .sim-toolbar-presets {
    display: grid !important;
    grid-template-columns: 1fr 1fr 1fr !important;
    gap: 6px !important;
    width: 100% !important;
  }

  .sim-preset-btn {
    height: 28px !important;
    padding: 0 4px !important;
    font-size: 10px !important;
    font-weight: 700 !important;
    border-radius: 7px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 3px !important;
    white-space: nowrap !important;
    border: 1px solid var(--border-subtle) !important;
    background: var(--surface-card) !important;
    color: var(--text-secondary) !important;
  }

  .sim-preset-btn:active {
    transform: scale(0.96) !important;
  }

  .sim-preset-btn.preset-attend {
    color: var(--neon-green) !important;
    border-color: rgba(16, 185, 129, 0.35) !important;
    background: rgba(16, 185, 129, 0.08) !important;
  }

  .sim-preset-btn.preset-bunk {
    color: var(--neon-red) !important;
    border-color: rgba(244, 63, 94, 0.35) !important;
    background: rgba(244, 63, 94, 0.08) !important;
  }

  .sim-preset-btn.preset-reset {
    color: var(--text-muted) !important;
  }

  /* Scrollable Period Rows Area (Pinned between Toolbar and Summary) */
  #simRowsContainer {
    flex: 1 1 auto !important;
    max-height: none !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding-right: 2px !important;
    margin-bottom: 8px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 7px !important;
  }

  #simRowsContainer::-webkit-scrollbar {
    width: 3px !important;
  }

  #simRowsContainer::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.16) !important;
    border-radius: 99px !important;
  }

  /* Period Card in Mobile View */
  .sim-period-row {
    background: var(--surface-card) !important;
    border: 1px solid var(--border-subtle) !important;
    border-radius: 12px !important;
    padding: 8px 10px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 6px !important;
    transition: all 0.2s ease !important;
  }

  .sim-period-row.attend-active {
    border-left: 3.5px solid var(--neon-green) !important;
    background: rgba(16, 185, 129, 0.05) !important;
  }

  .sim-period-row.bunk-active {
    border-left: 3.5px solid var(--neon-red) !important;
    background: rgba(244, 63, 94, 0.05) !important;
  }

  .sim-period-row.dual-active {
    border-left: 3.5px solid var(--electric-cyan) !important;
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.05), rgba(244, 63, 94, 0.05)) !important;
  }

  .sim-row-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    gap: 6px !important;
  }

  .sim-period-tag {
    font-family: var(--font-mono, monospace) !important;
    font-size: 10px !important;
    font-weight: 800 !important;
    color: var(--electric-blue) !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 4px !important;
  }

  .sim-row-count-badge {
    font-size: 9.5px !important;
    padding: 1px 5px !important;
    border-radius: 4px !important;
    font-weight: 800 !important;
  }

  .sim-row-count-badge.attend {
    background: rgba(16, 185, 129, 0.2) !important;
    color: #10b981 !important;
  }

  .sim-row-count-badge.bunk {
    background: rgba(244, 63, 94, 0.2) !important;
    color: #f43f5e !important;
  }

  .sim-delta-badge {
    font-size: 10.5px !important;
    padding: 1.5px 6px !important;
    border-radius: 5px !important;
    font-weight: 800 !important;
    white-space: nowrap !important;
  }

  .sim-row-reset-btn,
  .sim-row-del-btn {
    width: 24px !important;
    height: 24px !important;
    border-radius: 6px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 11px !important;
    cursor: pointer !important;
    border: 1px solid var(--border-subtle) !important;
    background: rgba(255, 255, 255, 0.04) !important;
    color: var(--text-muted) !important;
  }

  .sim-row-reset-btn:hover {
    color: var(--electric-blue) !important;
    border-color: var(--electric-blue) !important;
  }

  .sim-row-del-btn:hover {
    color: var(--neon-red) !important;
    border-color: var(--neon-red) !important;
  }

  .sim-row-controls {
    display: flex !important;
    flex-direction: column !important;
    gap: 6px !important;
    width: 100% !important;
  }

  .sim-select-wrap {
    width: 100% !important;
    min-width: 100% !important;
  }

  .sim-subject-select {
    width: 100% !important;
    height: 30px !important;
    min-height: 30px !important;
    padding: 2px 8px !important;
    font-size: 11.5px !important;
    font-weight: 600 !important;
    border-radius: 7px !important;
    border: 1px solid var(--border-subtle) !important;
    background: var(--surface-glass) !important;
    color: var(--text-primary) !important;
    outline: none !important;
  }

  .sim-toggle-group {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 6px !important;
    width: 100% !important;
  }

  .sim-stepper-btn-group {
    display: flex !important;
    align-items: center !important;
    gap: 3px !important;
    width: 100% !important;
  }

  .sim-toggle-btn {
    flex: 1 !important;
    height: 30px !important;
    min-height: 30px !important;
    padding: 2px 6px !important;
    font-size: 10.5px !important;
    font-weight: 700 !important;
    border-radius: 7px !important;
    border: 1px solid var(--border-subtle) !important;
    background: rgba(255, 255, 255, 0.04) !important;
    color: var(--text-secondary) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 3px !important;
    cursor: pointer !important;
    white-space: nowrap !important;
  }

  .sim-toggle-btn.attend.active {
    background: rgba(16, 185, 129, 0.16) !important;
    border-color: var(--neon-green) !important;
    color: var(--neon-green) !important;
  }

  .sim-toggle-btn.bunk.active {
    background: rgba(244, 63, 94, 0.16) !important;
    border-color: var(--neon-red) !important;
    color: var(--neon-red) !important;
  }

  .sim-stepper-minus-btn {
    width: 26px !important;
    min-width: 26px !important;
    height: 30px !important;
    border-radius: 6px !important;
    border: 1px solid var(--border-subtle) !important;
    background: rgba(255, 255, 255, 0.04) !important;
    font-size: 13px !important;
    font-weight: 800 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
  }

  /* Pinned Bottom HUD: Live Summary KPI Panel */
  .sim-summary-panel {
    padding: 8px 12px !important;
    margin-bottom: 8px !important;
    background: var(--surface-card) !important;
    border-radius: 12px !important;
    border: 1px solid var(--border-subtle) !important;
    flex-shrink: 0 !important;
  }

  .sim-summary-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-bottom: 3px !important;
  }

  .sim-summary-label {
    font-size: 9.5px !important;
    font-weight: 800 !important;
    color: var(--text-muted) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.3px !important;
  }

  .sim-summary-gauge {
    display: flex !important;
    align-items: baseline !important;
    gap: 8px !important;
  }

  .sim-current-pct {
    font-size: 13px !important;
    color: var(--text-muted) !important;
    text-decoration: line-through !important;
  }

  .sim-arrow {
    color: var(--electric-cyan) !important;
    font-size: 11px !important;
  }

  .sim-projected-pct {
    font-size: 20px !important;
    font-weight: 900 !important;
    font-family: var(--font-display, sans-serif) !important;
    letter-spacing: -0.02em !important;
  }

  .sim-advice-text {
    font-size: 10.5px !important;
    color: var(--text-secondary) !important;
    margin-top: 3px !important;
    line-height: 1.3 !important;
  }

  .btn-close-sim {
    height: 38px !important;
    min-height: 38px !important;
    font-size: 12.5px !important;
    font-weight: 700 !important;
    border-radius: 10px !important;
    flex-shrink: 0 !important;
  }

  /* Attendance Register Page Specifics */
  .att-mgr-summary-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }

  .att-mgr-stat-card {
    padding: 12px 10px;
    border-radius: 12px;
  }

  .att-mgr-stat-val {
    font-size: 20px;
  }

  .att-mgr-stat-label {
    font-size: 10px;
  }

  .att-mgr-stat-sub {
    font-size: 9.5px;
  }

  .att-mgr-filter-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 10px 12px;
  }

  .att-mgr-view-switcher {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
  }

  .att-mgr-view-btn {
    font-size: 11px !important;
    padding: 6px 8px !important;
    min-height: 32px !important;
  }

  .att-mgr-filter-bar>div:last-child {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
  }

  .att-mgr-filter-bar select {
    width: 100% !important;
    min-height: 32px !important;
    height: 32px !important;
    padding: 4px 8px !important;
    font-size: 11.5px !important;
    border-radius: 7px !important;
  }

  /* Subject Cards Grid */
  .subject-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .subject-card {
    padding: 14px;
    border-radius: 14px;
  }

  /* Modals as Sleek Bottom Sheets */
  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }

  .modal-dialog {
    border-radius: 20px 20px 0 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    max-height: 90vh !important;
    padding: 18px 16px max(24px, calc(16px + env(safe-area-inset-bottom, 16px))) 16px !important;
    border-bottom: none !important;
  }

  .modal-dialog::before {
    content: '';
    display: block;
    width: 38px;
    height: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.22);
    margin: 0 auto 12px auto;
  }

  [data-theme="light"] .modal-dialog::before {
    background: rgba(0, 0, 0, 0.2);
  }

  .modal-header {
    margin-bottom: 14px;
    padding-bottom: 10px;
  }

  .modal-title {
    font-size: 15.5px;
  }

  /* Bottom Dock Navigation */
  .bottom-dock {
    padding: 6px 8px max(8px, env(safe-area-inset-bottom, 8px));
  }

  .dock-item {
    font-size: 10.5px;
    gap: 2px;
    padding: 5px 0;
  }

  .dock-item svg {
    width: 17px;
    height: 17px;
  }

  /* Smart PWA Install Banner Mobile Rules */
  .pwa-install-banner {
    padding: 8px 12px;
  }

  .pwa-banner-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
  }

  .pwa-banner-title {
    font-size: 12.5px;
  }

  .pwa-banner-sub {
    font-size: 10.5px;
    max-width: 140px;
  }

  .pwa-banner-btn {
    padding: 6px 12px;
    font-size: 11.5px;
    gap: 4px;
  }

  /* Help & Support Box Mobile Rules */
  .help-support-box {
    padding: 16px 14px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-top: 18px;
    margin-bottom: 20px;
  }

  .help-box-content {
    min-width: 100%;
    gap: 12px;
  }

  .help-box-icon-box {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }

  .help-box-title {
    font-size: 14.5px;
  }

  .help-box-subtitle {
    font-size: 12px;
  }

  .help-box-submit-btn {
    width: 100% !important;
    justify-content: center !important;
    padding: 12px 16px !important;
  }

  /* Share Modal Mobile Optimization */
  #shareModal .share-policy-banner {
    padding: 10px 12px !important;
    margin-bottom: 12px !important;
  }

  #shareModal #shareUrlOutput {
    font-size: 11.5px !important;
    height: 38px !important;
  }

  #shareModal #btnCopyShareUrl,
  #shareModal #btnNativeShareUrl {
    height: 38px !important;
    padding: 0 12px !important;
    font-size: 11.5px !important;
  }
}

/* ═══════════════════════════════════════════════════════
   ULTRA-COMPACT SCREENS (MAX-WIDTH: 380PX, e.g. iPhone SE)
   ═══════════════════════════════════════════════════════ */
@media (max-width: 380px) {
  .brand-text h1 {
    font-size: 13.5px;
    max-width: 130px;
  }

  .brand-disclaimer {
    display: none;
  }

  .btn-download-app {
    padding: 5px 7px;
    font-size: 10.5px;
  }

  .btn-download-app span {
    display: none;
  }

  .btn-download-app::after {
    content: 'App';
  }

  .action-pill-btn {
    font-size: 10.5px;
    padding: 8px 2px;
  }

  .att-mgr-stat-val {
    font-size: 18px;
  }

  .bio-kpi-val {
    font-size: 14px;
  }

  .bio-kpi-label {
    font-size: 8.5px;
  }
}

/* ── HEADER TOOLS LINK BUTTON ── */
.header-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 34px;
  padding: 0 11px;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.28);
  color: var(--electric-cyan);
  font-size: 11.5px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.header-link-btn:hover {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--electric-cyan);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
  transform: translateY(-1px);
}

.header-link-btn:active {
  transform: scale(0.95);
}

@media (max-width: 480px) {
  .header-tools-text {
    display: none;
  }
  .header-link-btn {
    padding: 0 8px;
    width: 34px;
    justify-content: center;
  }
}