/* ============================================================
   DIRECTION 21 – PPG E-LEARNING PORTAL
   Design System & Full Stylesheet
   ============================================================ */

/* ── 1. CSS Custom Properties ─────────────────────────────── */
:root {
  /* Brand Colors */
  --ppg-blue: #005DAA;
  --ppg-blue-light: #0073CC;
  --ppg-blue-dark: #003F7A;
  --ppg-orange: #FF6600;
  --ppg-orange-light: #FF8533;
  --ppg-orange-dark: #CC5200;

  /* Background Palette */
  --bg-base: #0A0E1A;
  --bg-surface: #111827;
  --bg-elevated: #1A2236;
  --bg-card: #1E2A3E;
  --bg-card-hover: #243349;
  --bg-input: #141C2E;

  /* Text */
  --text-primary: #F0F4FF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-accent: #60A5FA;

  /* Borders */
  --border-default: rgba(255,255,255,0.08);
  --border-accent: rgba(0,93,170,0.4);
  --border-glow: rgba(0,93,170,0.6);

  /* Status Colors */
  --color-success: #22C55E;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  --color-info: #3B82F6;

  /* Gradients */
  --grad-hero: linear-gradient(135deg, #0A0E1A 0%, #0D1B3E 50%, #0A1628 100%);
  --grad-blue: linear-gradient(135deg, var(--ppg-blue-dark), var(--ppg-blue-light));
  --grad-orange: linear-gradient(135deg, var(--ppg-orange-dark), var(--ppg-orange-light));
  --grad-card: linear-gradient(135deg, rgba(30,42,62,0.9), rgba(20,28,46,0.95));

  /* Typography */
  --font-display: 'Outfit', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-blue: 0 0 30px rgba(0,93,170,0.3);
  --shadow-orange: 0 0 30px rgba(255,102,0,0.3);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Layout */
  --navbar-height: 64px;
  --sidebar-width: 260px;
  --container-max: 1280px;
}

/* ── 2. Reset & Base ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text-accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--ppg-blue-light); }
button { cursor: pointer; border: none; outline: none; font-family: var(--font-body); }
input, select, textarea { font-family: var(--font-body); }
img { max-width: 100%; }
ul { list-style: none; }

/* ── 3. Typography ─────────────────────────────────────────── */
h1,h2,h3,h4,h5,h6 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
p { color: var(--text-secondary); }
.text-gradient {
  background: linear-gradient(135deg, #60A5FA, var(--ppg-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-blue { color: var(--ppg-blue-light); }
.text-orange { color: var(--ppg-orange); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.font-mono { font-family: 'Courier New', monospace; letter-spacing: 0.05em; }

/* ── 4. Splash Screen ──────────────────────────────────────── */
.splash-screen {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg-base);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s ease;
}
.splash-screen.fade-out { opacity: 0; pointer-events: none; }
.splash-logo { text-align: center; }
.splash-ppg-badge {
  display: inline-block;
  background: var(--grad-blue);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 900; font-size: 2rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  box-shadow: var(--shadow-blue);
  letter-spacing: 0.1em;
}
.splash-logo h1 { font-size: 2.5rem; color: var(--text-primary); }
.splash-logo p { color: var(--text-secondary); margin-top: 8px; }
.splash-loader { margin-top: 32px; width: 200px; height: 4px; background: var(--bg-elevated); border-radius: 2px; overflow: hidden; margin-left: auto; margin-right: auto; }
.splash-bar { height: 100%; width: 0%; background: var(--grad-blue); border-radius: 2px; animation: loadBar 1.5s ease forwards; }
@keyframes loadBar { to { width: 100%; } }

/* ── 5. Navbar ─────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--navbar-height);
  background: rgba(10,14,26,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-default);
  display: flex; align-items: center;
  padding: 0 var(--space-6);
  gap: var(--space-4);
}
.navbar-brand {
  display: flex; align-items: center; gap: var(--space-3);
  text-decoration: none; flex-shrink: 0;
}
.navbar-badge {
  background: var(--grad-blue);
  color: #fff; font-family: var(--font-display);
  font-weight: 900; font-size: 0.875rem;
  padding: 4px 10px; border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}
.navbar-title { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: var(--text-primary); }
.navbar-title span { color: var(--ppg-orange); }

.navbar-search {
  flex: 1; max-width: 400px;
  position: relative; margin-left: auto;
}
.navbar-search input {
  width: 100%; padding: 8px 16px 8px 40px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  color: var(--text-primary); font-size: 0.875rem;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.navbar-search input:focus { outline: none; border-color: var(--ppg-blue); box-shadow: 0 0 0 3px rgba(0,93,170,0.2); }
.navbar-search input::placeholder { color: var(--text-muted); }
.navbar-search-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 1rem; pointer-events: none;
}
.search-dropdown {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 360px; overflow-y: auto;
  z-index: 100;
}
.search-result-item {
  padding: 10px 16px; cursor: pointer;
  border-bottom: 1px solid var(--border-default);
  transition: background var(--transition-fast);
  display: flex; align-items: center; gap: 12px;
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--bg-card-hover); }
.search-result-code { font-family: monospace; font-size: 0.7rem; background: var(--bg-elevated); padding: 2px 6px; border-radius: 4px; color: var(--text-accent); white-space: nowrap; }

.navbar-actions { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.lang-toggle {
  background: var(--bg-elevated); border: 1px solid var(--border-default);
  color: var(--text-secondary); padding: 6px 12px;
  border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 500;
  transition: all var(--transition-fast);
}
.lang-toggle:hover { border-color: var(--ppg-blue); color: var(--text-primary); }
.navbar-user {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-elevated); border: 1px solid var(--border-default);
  padding: 6px 14px; border-radius: var(--radius-full); cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}
.navbar-user:hover { border-color: var(--ppg-blue); }
.navbar-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--grad-blue); display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700; color: #fff;
}
.navbar-user-name { font-size: 0.875rem; font-weight: 500; max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.user-menu {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--bg-card); border: 1px solid var(--border-default);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  min-width: 180px; overflow: hidden; z-index: 200;
  animation: slideDown 0.2s ease;
}
.user-menu-item {
  padding: 10px 16px; display: flex; align-items: center; gap: 10px;
  font-size: 0.875rem; color: var(--text-secondary); cursor: pointer;
  transition: background var(--transition-fast);
}
.user-menu-item:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.user-menu-item.danger:hover { color: var(--color-error); background: rgba(239,68,68,0.1); }
.user-menu-divider { height: 1px; background: var(--border-default); margin: 4px 0; }

/* ── 6. Layout ─────────────────────────────────────────────── */
.page { padding-top: var(--navbar-height); min-height: 100vh; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-6); }
.section { padding: var(--space-16) 0; }
.section-sm { padding: var(--space-10) 0; }
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.grid { display: grid; }

/* ── 7. Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--radius-md);
  font-size: 0.9rem; font-weight: 600; font-family: var(--font-body);
  transition: all var(--transition-base);
  cursor: pointer; white-space: nowrap; border: none;
}
.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 7px 14px; font-size: 0.8rem; border-radius: var(--radius-sm); }
.btn-xs { padding: 5px 10px; font-size: 0.75rem; border-radius: var(--radius-sm); }

.btn-primary {
  background: var(--grad-blue); color: #fff;
  box-shadow: 0 4px 15px rgba(0,93,170,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(0,93,170,0.5); }
.btn-primary:active { transform: translateY(0); }

.btn-orange {
  background: var(--grad-orange); color: #fff;
  box-shadow: 0 4px 15px rgba(255,102,0,0.3);
}
.btn-orange:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(255,102,0,0.5); }

.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border-default);
}
.btn-outline:hover { border-color: var(--ppg-blue); color: var(--ppg-blue-light); background: rgba(0,93,170,0.1); }

.btn-ghost {
  background: transparent; color: var(--text-secondary);
}
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-elevated); }

.btn-danger {
  background: rgba(239,68,68,0.15); color: var(--color-error);
  border: 1px solid rgba(239,68,68,0.3);
}
.btn-danger:hover { background: rgba(239,68,68,0.25); }

.btn-success {
  background: rgba(34,197,94,0.15); color: var(--color-success);
  border: 1px solid rgba(34,197,94,0.3);
}
.btn-success:hover { background: rgba(34,197,94,0.25); }

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ── 8. Cards ──────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
}
.card:hover { border-color: var(--border-accent); transform: translateY(-3px); box-shadow: var(--shadow-blue); }
.card-glass {
  background: rgba(30,42,62,0.6);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
}

/* Module Cards */
.module-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: var(--space-3);
}
.module-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--module-color, var(--ppg-blue));
  opacity: 0; transition: opacity var(--transition-base);
}
.module-card:hover { transform: translateY(-5px); border-color: var(--module-color, var(--ppg-blue)); }
.module-card:hover::before { opacity: 1; }
.module-card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.4), 0 0 0 1px var(--module-color, var(--ppg-blue)); }

.module-card-header { display: flex; align-items: flex-start; justify-content: space-between; }
.module-icon-wrap {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  background: var(--module-color-bg, rgba(0,93,170,0.15));
  border: 1px solid var(--module-color-border, rgba(0,93,170,0.3));
  flex-shrink: 0;
}
.module-code-badge {
  font-family: monospace; font-size: 0.7rem; font-weight: 700;
  background: var(--bg-elevated); color: var(--text-muted);
  padding: 3px 8px; border-radius: 4px; letter-spacing: 0.1em;
}
.module-card h3 { font-size: 1.05rem; color: var(--text-primary); line-height: 1.3; }
.module-card p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.5; flex: 1; }
.module-card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: var(--space-2); }
.module-lesson-count { font-size: 0.78rem; color: var(--text-muted); display: flex; align-items: center; gap: 4px; }
.module-audience-tag { font-size: 0.7rem; padding: 2px 8px; border-radius: var(--radius-full); background: var(--bg-elevated); color: var(--text-muted); }

/* ── 9. Hero Section ───────────────────────────────────────── */
.hero {
  background: var(--grad-hero);
  position: relative; overflow: hidden;
  padding: 120px 0 80px;
  min-height: 600px; display: flex; align-items: center;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0,93,170,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(255,102,0,0.1) 0%, transparent 50%);
}
.hero-grid {
  position: absolute; inset: 0; opacity: 0.04;
  background-image: linear-gradient(var(--border-default) 1px, transparent 1px),
                    linear-gradient(90deg, var(--border-default) 1px, transparent 1px);
  background-size: 50px 50px;
}
.hero-content { position: relative; z-index: 1; max-width: 700px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,93,170,0.15); border: 1px solid rgba(0,93,170,0.3);
  padding: 6px 14px; border-radius: var(--radius-full);
  font-size: 0.8rem; font-weight: 500; color: var(--ppg-blue-light);
  margin-bottom: var(--space-5);
  animation: fadeInUp 0.6s ease;
}
.hero-content h1 {
  margin-bottom: var(--space-5);
  animation: fadeInUp 0.6s ease 0.1s both;
}
.hero-content p {
  font-size: 1.1rem; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: var(--space-8);
  animation: fadeInUp 0.6s ease 0.2s both;
}
.hero-actions { display: flex; gap: var(--space-4); flex-wrap: wrap; animation: fadeInUp 0.6s ease 0.3s both; }
.hero-stats {
  display: flex; gap: var(--space-8); margin-top: var(--space-12);
  animation: fadeInUp 0.6s ease 0.4s both;
}
.hero-stat { }
.hero-stat-num { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--text-primary); }
.hero-stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }
.hero-visual {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  width: 420px; opacity: 0.06; pointer-events: none;
  font-family: var(--font-display); font-weight: 900; font-size: 18rem;
  color: var(--ppg-blue); line-height: 1; letter-spacing: -0.05em;
}

/* ── 10. Forms ─────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-label { font-size: 0.875rem; font-weight: 500; color: var(--text-secondary); }
.form-label .required { color: var(--color-error); margin-left: 2px; }
.form-input {
  background: var(--bg-input); border: 1px solid var(--border-default);
  border-radius: var(--radius-md); padding: 10px 14px;
  color: var(--text-primary); font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}
.form-input:focus { outline: none; border-color: var(--ppg-blue); box-shadow: 0 0 0 3px rgba(0,93,170,0.2); }
.form-input::placeholder { color: var(--text-muted); }
.form-input:disabled { opacity: 0.5; cursor: not-allowed; }
select.form-input { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; }
.form-hint { font-size: 0.775rem; color: var(--text-muted); }
.form-error { font-size: 0.775rem; color: var(--color-error); display: flex; align-items: center; gap: 4px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }

/* ── 11. Badges & Tags ─────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: var(--radius-full);
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.03em;
}
.badge-blue { background: rgba(0,93,170,0.2); color: #60A5FA; border: 1px solid rgba(0,93,170,0.4); }
.badge-orange { background: rgba(255,102,0,0.15); color: #FB923C; border: 1px solid rgba(255,102,0,0.3); }
.badge-green { background: rgba(34,197,94,0.15); color: #4ADE80; border: 1px solid rgba(34,197,94,0.3); }
.badge-yellow { background: rgba(245,158,11,0.15); color: #FCD34D; border: 1px solid rgba(245,158,11,0.3); }
.badge-red { background: rgba(239,68,68,0.15); color: #F87171; border: 1px solid rgba(239,68,68,0.3); }
.badge-gray { background: rgba(100,116,139,0.2); color: var(--text-muted); border: 1px solid rgba(100,116,139,0.3); }

/* Status Badges */
.status-pending { background: rgba(245,158,11,0.15); color: #FCD34D; border: 1px solid rgba(245,158,11,0.3); }
.status-active { background: rgba(34,197,94,0.15); color: #4ADE80; border: 1px solid rgba(34,197,94,0.3); }
.status-locked { background: rgba(100,116,139,0.15); color: var(--text-muted); border: 1px solid rgba(100,116,139,0.2); }
.status-done { background: rgba(0,93,170,0.2); color: #60A5FA; border: 1px solid rgba(0,93,170,0.4); }

/* ── 12. Progress ──────────────────────────────────────────── */
.progress-bar-wrap {
  width: 100%; height: 8px; background: var(--bg-elevated);
  border-radius: var(--radius-full); overflow: hidden;
}
.progress-bar-fill {
  height: 100%; border-radius: var(--radius-full);
  background: var(--grad-blue);
  transition: width 0.8s cubic-bezier(0.4,0,0.2,1);
}
.progress-bar-fill.orange { background: var(--grad-orange); }
.progress-bar-fill.green { background: linear-gradient(90deg, #16A34A, #22C55E); }

.progress-circle {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
}
.progress-circle svg { transform: rotate(-90deg); }
.progress-circle-text {
  position: absolute; font-family: var(--font-display);
  font-weight: 700; font-size: 1.1rem; color: var(--text-primary);
}

/* ── 13. Tables ────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.table {
  width: 100%; border-collapse: collapse; font-size: 0.875rem;
}
.table th {
  text-align: left; padding: 12px 16px;
  background: var(--bg-elevated); color: var(--text-secondary);
  font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-default);
}
.table td {
  padding: 12px 16px; border-bottom: 1px solid var(--border-default);
  color: var(--text-secondary); vertical-align: middle;
}
.table tr:hover td { background: rgba(255,255,255,0.02); }
.table tr:last-child td { border-bottom: none; }

/* ── 14. Sidebar layout ────────────────────────────────────── */
.sidebar-layout {
  display: flex; gap: 0; min-height: calc(100vh - var(--navbar-height));
}
.sidebar {
  width: var(--sidebar-width); flex-shrink: 0;
  background: var(--bg-surface); border-right: 1px solid var(--border-default);
  padding: var(--space-6) 0; position: sticky; top: var(--navbar-height);
  height: calc(100vh - var(--navbar-height)); overflow-y: auto;
}
.sidebar-section { padding: 0 var(--space-4); margin-bottom: var(--space-6); }
.sidebar-section-title {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: var(--space-3);
  padding: 0 var(--space-2);
}
.sidebar-nav-item {
  display: flex; align-items: center; gap: var(--space-3);
  padding: 9px 12px; border-radius: var(--radius-md);
  color: var(--text-secondary); cursor: pointer; font-size: 0.875rem;
  transition: all var(--transition-fast); font-weight: 500;
}
.sidebar-nav-item:hover { background: var(--bg-elevated); color: var(--text-primary); }
.sidebar-nav-item.active { background: rgba(0,93,170,0.15); color: var(--ppg-blue-light); border-left: 2px solid var(--ppg-blue); }
.sidebar-icon { font-size: 1rem; flex-shrink: 0; }
.sidebar-content { flex: 1; padding: var(--space-6); overflow-y: auto; }

/* ── 15. Auth Pages ────────────────────────────────────────── */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--grad-hero); padding: var(--space-6);
  position: relative;
}
.auth-page::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(0,93,170,0.1) 0%, transparent 70%);
}
.auth-card {
  background: var(--bg-card); border: 1px solid var(--border-default);
  border-radius: var(--radius-xl); padding: var(--space-10);
  width: 100%; max-width: 520px; position: relative; z-index: 1;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.4s ease;
}
.auth-card-wide { max-width: 760px; }
.auth-logo { text-align: center; margin-bottom: var(--space-8); }
.auth-logo-badge {
  display: inline-block; background: var(--grad-blue); color: #fff;
  font-family: var(--font-display); font-weight: 900; font-size: 1.5rem;
  padding: 10px 20px; border-radius: var(--radius-md); margin-bottom: var(--space-3);
  box-shadow: var(--shadow-blue);
}
.auth-title { font-size: 1.5rem; margin-bottom: 4px; text-align: center; }
.auth-subtitle { color: var(--text-muted); font-size: 0.875rem; text-align: center; }
.auth-divider { height: 1px; background: var(--border-default); margin: var(--space-6) 0; }
.auth-footer { text-align: center; margin-top: var(--space-6); font-size: 0.875rem; color: var(--text-muted); }

/* ── 16. Dashboard ─────────────────────────────────────────── */
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border-default);
  border-radius: var(--radius-lg); padding: var(--space-5);
  display: flex; align-items: center; gap: var(--space-4);
  transition: all var(--transition-base);
}
.stat-card:hover { border-color: var(--border-accent); transform: translateY(-2px); }
.stat-icon {
  width: 48px; height: 48px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem; flex-shrink: 0;
}
.stat-icon.blue { background: rgba(0,93,170,0.15); }
.stat-icon.orange { background: rgba(255,102,0,0.15); }
.stat-icon.green { background: rgba(34,197,94,0.15); }
.stat-icon.purple { background: rgba(139,92,246,0.15); }
.stat-value { font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; color: var(--text-primary); line-height: 1; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-4); margin-bottom: var(--space-6); }

/* Learning Path Timeline */
.path-card {
  background: var(--bg-card); border: 1px solid var(--border-default);
  border-radius: var(--radius-lg); padding: var(--space-5);
  cursor: pointer; transition: all var(--transition-base);
}
.path-card:hover { border-color: var(--ppg-blue); transform: translateY(-2px); box-shadow: var(--shadow-blue); }
.path-card.selected { border-color: var(--ppg-blue); background: rgba(0,93,170,0.1); }
.path-icon { font-size: 2rem; margin-bottom: var(--space-3); }
.path-title { font-weight: 700; font-size: 1rem; margin-bottom: 4px; }
.path-desc { font-size: 0.8rem; color: var(--text-muted); }
.path-modules { display: flex; gap: 4px; flex-wrap: wrap; margin-top: var(--space-3); }
.path-module-chip {
  font-size: 0.68rem; font-family: monospace; font-weight: 700;
  padding: 2px 8px; border-radius: 4px; background: var(--bg-elevated); color: var(--text-muted);
}

.module-progress-item {
  background: var(--bg-card); border: 1px solid var(--border-default);
  border-radius: var(--radius-lg); padding: var(--space-5);
  display: flex; align-items: center; gap: var(--space-4);
  margin-bottom: var(--space-3); transition: all var(--transition-base);
  cursor: pointer;
}
.module-progress-item:hover { border-color: var(--border-accent); }
.module-progress-item.locked { opacity: 0.5; cursor: not-allowed; }
.module-progress-item.locked:hover { border-color: var(--border-default); transform: none; }
.module-progress-item.completed { border-color: rgba(34,197,94,0.3); }

.lesson-item {
  display: flex; align-items: flex-start; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast); cursor: pointer;
  border: 1px solid transparent;
}
.lesson-item:hover { background: var(--bg-elevated); border-color: var(--border-default); }
.lesson-item.viewed { border-color: rgba(34,197,94,0.2); }
.lesson-status { flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.7rem; margin-top: 2px; }
.lesson-status.done { background: rgba(34,197,94,0.2); color: var(--color-success); }
.lesson-status.pending { background: var(--bg-elevated); border: 2px solid var(--border-default); }
.lesson-title { font-size: 0.875rem; font-weight: 500; color: var(--text-primary); }
.lesson-meta { display: flex; gap: var(--space-2); margin-top: 4px; flex-wrap: wrap; }
.lesson-tag { font-size: 0.68rem; font-family: monospace; padding: 1px 6px; border-radius: 3px; background: var(--bg-elevated); color: var(--text-muted); }

/* ── 17. Quiz ──────────────────────────────────────────────── */
.quiz-wrap { max-width: 700px; margin: 0 auto; }
.quiz-header { text-align: center; margin-bottom: var(--space-8); }
.quiz-question-card {
  background: var(--bg-card); border: 1px solid var(--border-default);
  border-radius: var(--radius-lg); padding: var(--space-6); margin-bottom: var(--space-4);
}
.quiz-question-num { font-size: 0.8rem; color: var(--text-muted); margin-bottom: var(--space-3); }
.quiz-question-text { font-size: 1.05rem; font-weight: 600; color: var(--text-primary); margin-bottom: var(--space-5); line-height: 1.5; }
.quiz-options { display: flex; flex-direction: column; gap: var(--space-2); }
.quiz-option {
  display: flex; align-items: center; gap: var(--space-3);
  padding: 12px 16px; border-radius: var(--radius-md);
  border: 1px solid var(--border-default); cursor: pointer;
  transition: all var(--transition-fast); font-size: 0.9rem;
}
.quiz-option:hover { border-color: var(--ppg-blue); background: rgba(0,93,170,0.1); }
.quiz-option.selected { border-color: var(--ppg-blue); background: rgba(0,93,170,0.15); color: var(--text-primary); }
.quiz-option.correct { border-color: var(--color-success); background: rgba(34,197,94,0.1); color: var(--color-success); }
.quiz-option.wrong { border-color: var(--color-error); background: rgba(239,68,68,0.1); color: var(--color-error); }
.quiz-option-radio {
  width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--border-default);
  flex-shrink: 0; transition: all var(--transition-fast);
  display: flex; align-items: center; justify-content: center;
}
.quiz-option.selected .quiz-option-radio { border-color: var(--ppg-blue); background: var(--ppg-blue); }

.quiz-nav { display: flex; align-items: center; justify-content: space-between; margin-top: var(--space-6); }
.quiz-dots { display: flex; gap: 6px; }
.quiz-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--bg-elevated); transition: all var(--transition-fast); }
.quiz-dot.answered { background: var(--ppg-blue); }
.quiz-dot.current { background: var(--ppg-orange); transform: scale(1.3); }

.quiz-result {
  text-align: center; padding: var(--space-10);
  background: var(--bg-card); border-radius: var(--radius-xl);
  border: 1px solid var(--border-default);
}
.quiz-result-score { font-family: var(--font-display); font-size: 5rem; font-weight: 900; line-height: 1; }
.quiz-result.pass .quiz-result-score { color: var(--color-success); }
.quiz-result.fail .quiz-result-score { color: var(--color-error); }

/* ── 18. Certificate ───────────────────────────────────────── */
.certificate {
  background: linear-gradient(135deg, #0A0E1A, #0D1B3E);
  border: 2px solid var(--ppg-blue);
  border-radius: var(--radius-xl); padding: 60px;
  text-align: center; position: relative; overflow: hidden;
  max-width: 800px; margin: 0 auto;
  box-shadow: 0 0 60px rgba(0,93,170,0.3);
}
.certificate::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 6px;
  background: linear-gradient(90deg, var(--ppg-blue), var(--ppg-orange), var(--ppg-blue));
}
.certificate-watermark {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 12rem; font-weight: 900;
  color: rgba(0,93,170,0.04); pointer-events: none; letter-spacing: -0.1em;
}
.certificate-title { font-size: 0.9rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ppg-orange); margin-bottom: 16px; }
.certificate-name { font-size: 2.5rem; font-weight: 800; color: var(--text-primary); margin: 20px 0; border-bottom: 1px solid var(--border-default); padding-bottom: 20px; }
.certificate-course { font-size: 1.2rem; color: var(--text-secondary); margin: 20px 0; }
.certificate-badge {
  display: inline-block; background: var(--grad-blue); color: #fff;
  font-family: var(--font-display); font-weight: 900; font-size: 1.8rem;
  padding: 12px 24px; border-radius: var(--radius-md); margin: 20px 0;
  box-shadow: var(--shadow-blue);
}
.certificate-date { font-size: 0.85rem; color: var(--text-muted); margin-top: 32px; }

/* ── 19. Admin ─────────────────────────────────────────────── */
.admin-page { background: var(--bg-base); }
.learner-row { cursor: pointer; }
.learner-row:hover td { background: rgba(0,93,170,0.05) !important; }
.action-btn-group { display: flex; gap: var(--space-2); }

/* Code input for course activation */
.code-input-wrap { display: flex; gap: var(--space-3); align-items: flex-start; }
.code-input {
  font-family: monospace; font-size: 1.1rem; letter-spacing: 0.2em;
  text-transform: uppercase; text-align: center;
  padding: 12px 20px;
}

/* ── 20. Accordion ─────────────────────────────────────────── */
.accordion-item { border: 1px solid var(--border-default); border-radius: var(--radius-md); margin-bottom: var(--space-2); overflow: hidden; }
.accordion-header {
  padding: 14px 16px; cursor: pointer; display: flex;
  align-items: center; justify-content: space-between;
  background: var(--bg-card); transition: background var(--transition-fast);
  font-weight: 600; font-size: 0.9rem;
}
.accordion-header:hover { background: var(--bg-card-hover); }
.accordion-arrow { transition: transform var(--transition-base); font-size: 0.8rem; color: var(--text-muted); }
.accordion-item.open .accordion-arrow { transform: rotate(180deg); }
.accordion-body { display: none; padding: var(--space-4); background: var(--bg-surface); }
.accordion-item.open .accordion-body { display: block; animation: fadeIn 0.2s ease; }

/* ── 21. Tabs ──────────────────────────────────────────────── */
.tabs { border-bottom: 1px solid var(--border-default); display: flex; gap: 0; margin-bottom: var(--space-6); }
.tab {
  padding: 10px 20px; cursor: pointer; font-size: 0.9rem; font-weight: 500;
  color: var(--text-muted); border-bottom: 2px solid transparent;
  transition: all var(--transition-fast); position: relative; bottom: -1px;
}
.tab:hover { color: var(--text-secondary); }
.tab.active { color: var(--ppg-blue-light); border-bottom-color: var(--ppg-blue); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.2s ease; }

/* ── 22. Toast ─────────────────────────────────────────────── */
#toast-container { position: fixed; top: 80px; right: 20px; z-index: 9000; display: flex; flex-direction: column; gap: 8px; }
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px; border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); font-size: 0.875rem; font-weight: 500;
  animation: slideInRight 0.3s ease;
  max-width: 360px; border: 1px solid;
}
.toast.success { background: rgba(34,197,94,0.15); border-color: rgba(34,197,94,0.4); color: #4ADE80; }
.toast.error { background: rgba(239,68,68,0.15); border-color: rgba(239,68,68,0.4); color: #F87171; }
.toast.info { background: rgba(59,130,246,0.15); border-color: rgba(59,130,246,0.4); color: #60A5FA; }
.toast.warning { background: rgba(245,158,11,0.15); border-color: rgba(245,158,11,0.4); color: #FCD34D; }
.toast-dismiss { margin-left: auto; cursor: pointer; opacity: 0.7; font-size: 1rem; }

/* ── 23. Modal ─────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 5000;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; padding: var(--space-6);
  animation: fadeIn 0.2s ease;
}
.modal-box {
  background: var(--bg-card); border: 1px solid var(--border-default);
  border-radius: var(--radius-xl); padding: var(--space-8);
  width: 100%; max-width: 560px; position: relative;
  box-shadow: var(--shadow-lg); animation: fadeInUp 0.3s ease;
  max-height: 90vh; overflow-y: auto;
}
.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: var(--bg-elevated); border: 1px solid var(--border-default);
  color: var(--text-muted); width: 30px; height: 30px;
  border-radius: 50%; font-size: 1.2rem; display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all var(--transition-fast);
}
.modal-close:hover { color: var(--text-primary); background: var(--bg-card-hover); }
.modal-title { font-size: 1.25rem; margin-bottom: var(--space-2); }
.modal-subtitle { font-size: 0.875rem; color: var(--text-muted); margin-bottom: var(--space-6); }

/* ── 24. Breadcrumb ────────────────────────────────────────── */
.breadcrumb { display: flex; align-items: center; gap: var(--space-2); font-size: 0.82rem; margin-bottom: var(--space-6); flex-wrap: wrap; }
.breadcrumb-item { color: var(--text-muted); cursor: pointer; transition: color var(--transition-fast); }
.breadcrumb-item:hover { color: var(--text-secondary); }
.breadcrumb-item.active { color: var(--text-primary); cursor: default; }
.breadcrumb-sep { color: var(--border-default); font-size: 0.7rem; }

/* ── 25. Section Headers ───────────────────────────────────── */
.section-header { margin-bottom: var(--space-8); }
.section-eyebrow { font-size: 0.8rem; font-weight: 600; color: var(--ppg-orange); text-transform: uppercase; letter-spacing: 0.15em; margin-bottom: var(--space-2); }
.section-header h2 { margin-bottom: var(--space-3); }
.section-header p { max-width: 600px; }
.section-header-row { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }

/* ── 26. Animations ────────────────────────────────────────── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes countUp { from { opacity: 0; } to { opacity: 1; } }

.animate-fade { animation: fadeIn 0.4s ease; }
.animate-up { animation: fadeInUp 0.5s ease; }
.animate-pulse { animation: pulse 2s ease infinite; }
.spinner { width: 24px; height: 24px; border: 2px solid var(--border-default); border-top-color: var(--ppg-blue); border-radius: 50%; animation: spin 0.7s linear infinite; }

/* ── 27. Empty States ──────────────────────────────────────── */
.empty-state {
  text-align: center; padding: var(--space-16);
  color: var(--text-muted);
}
.empty-state-icon { font-size: 3rem; margin-bottom: var(--space-4); opacity: 0.5; }
.empty-state h3 { color: var(--text-secondary); margin-bottom: var(--space-2); font-size: 1.1rem; }
.empty-state p { font-size: 0.875rem; }

/* ── 28. Info Panel ────────────────────────────────────────── */
.info-panel {
  background: rgba(0,93,170,0.08); border: 1px solid rgba(0,93,170,0.2);
  border-radius: var(--radius-md); padding: var(--space-4);
  font-size: 0.875rem; color: var(--text-secondary);
}
.info-panel.warning { background: rgba(245,158,11,0.08); border-color: rgba(245,158,11,0.2); }
.info-panel.success { background: rgba(34,197,94,0.08); border-color: rgba(34,197,94,0.2); }
.info-panel.error { background: rgba(239,68,68,0.08); border-color: rgba(239,68,68,0.2); }

/* ── 29. Landing sections ──────────────────────────────────── */
.grid-12 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.learning-path-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.how-it-works { display: flex; gap: 0; align-items: flex-start; }
.hiw-step { flex: 1; text-align: center; padding: var(--space-6); position: relative; }
.hiw-step:not(:last-child)::after {
  content: '→'; position: absolute; right: -12px; top: 32px;
  font-size: 1.5rem; color: var(--text-muted);
}
.hiw-num {
  width: 56px; height: 56px; border-radius: 50%; background: var(--grad-blue);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800; font-size: 1.2rem;
  color: #fff; margin: 0 auto var(--space-4);
  box-shadow: var(--shadow-blue);
}
.hiw-title { font-weight: 700; margin-bottom: var(--space-2); }
.hiw-desc { font-size: 0.85rem; color: var(--text-muted); }

/* ── 30. Naming Convention Page ────────────────────────────── */
.naming-example {
  background: var(--bg-input); border: 1px solid var(--border-default);
  border-radius: var(--radius-md); padding: var(--space-5);
  font-family: monospace; font-size: 1.1rem; letter-spacing: 0.05em;
  margin: var(--space-4) 0; color: var(--text-primary);
}
.naming-parts { display: flex; gap: 2px; flex-wrap: wrap; }
.naming-part { padding: 2px 6px; border-radius: 3px; font-size: 0.75rem; font-weight: 600; }

/* ── 31. Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── 32. Print (Certificate) ───────────────────────────────── */
@media print {
  .navbar, .sidebar, .btn, #toast-container, .breadcrumb { display: none !important; }
  body { background: #fff; color: #000; }
  .certificate { border: 2px solid #000; box-shadow: none; }
}

/* ── 33. Responsive ────────────────────────────────────────── */
.show-on-mobile { display: none !important; }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; align-items: start; }

@media (max-width: 1024px) {
  .grid-12 { grid-template-columns: repeat(3, 1fr); }
  .learning-path-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 100px 0 60px; }
}
@media (max-width: 768px) {
  .show-on-mobile { display: block !important; }
  .show-on-mobile.user-menu-item { display: flex !important; }
  .grid-2-1 { grid-template-columns: 1fr; gap: 16px; }
  .grid-12 { grid-template-columns: repeat(2, 1fr); }
  .learning-path-grid { grid-template-columns: 1fr 1fr; }
  .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; }
  .hero-stats { gap: var(--space-5); flex-wrap: wrap; }
  .how-it-works { flex-direction: column; }
  .hiw-step:not(:last-child)::after { content: '↓'; right: auto; top: auto; bottom: -12px; left: 50%; }
  .sidebar { display: none; }
  .sidebar-content { padding: var(--space-4); }
  .navbar-search { display: none; }
  .auth-card { padding: var(--space-6); }
  
  /* Slide Viewer Mobile Fullscreen */
  .modal-box.slide-viewer {
    width: 100vw; height: 100vh; max-height: 100vh;
    border-radius: 0; border: none;
  }
  .slide-viewer-header {
    padding: 10px 48px 10px var(--space-4);
  }
  .modal-box.slide-viewer .modal-close {
    top: 6px; right: 10px;
  }
  
  /* Certificate Mobile */
  .certificate {
    padding: var(--space-6) var(--space-4);
  }
  .certificate-name {
    font-size: 1.8rem; padding-bottom: 12px; margin: 12px 0;
  }
  .certificate-course {
    font-size: 1rem; margin: 12px 0;
  }
  .certificate-badge {
    font-size: 1.3rem; padding: 8px 16px; margin: 12px 0;
  }
  .certificate-watermark {
    font-size: 8rem;
  }
  
  /* Quiz Dots Mobile */
  .quiz-dots {
    flex-wrap: wrap; justify-content: center;
  }
}
@media (max-width: 480px) {
  .grid-12 { grid-template-columns: 1fr; }
  .learning-path-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
}

/* ── 34. Utility ───────────────────────────────────────────── */
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.w-full { width: 100%; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.fw-700 { font-weight: 700; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-end { justify-content: flex-end; }
.cursor-pointer { cursor: pointer; }
.overflow-hidden { overflow: hidden; }
.relative { position: relative; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── 35. Lesson Content Editor ─────────────────────────────── */
.lesson-editor-row {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: var(--space-4);
  transition: border-color var(--transition-base);
}
.lesson-editor-row:hover {
  border-color: var(--ppg-blue-light);
}
.lesson-editor-header {
  display: flex;
  align-items: center;
  gap: 12px;
}
.lesson-link-input {
  display: flex;
  flex-wrap: wrap;
}
.lesson-item.has-content {
  border-left: 3px solid var(--ppg-blue-light);
  cursor: pointer;
}
.lesson-item.locked-lesson {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── 26. Slide Viewer Modal ────────────────────────────────── */
.modal-box.slide-viewer {
  max-width: 1200px;
  width: 95vw;
  height: 85vh;
  max-height: 85vh;
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #0c0f19;
  border-color: rgba(255, 255, 255, 0.08);
}
.modal-box.slide-viewer .modal-close {
  top: 10px;
  right: 15px;
  width: 32px;
  height: 32px;
  background: var(--bg-input);
  border-color: var(--border-default);
}
.slide-viewer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 60px 12px var(--space-6);
  border-bottom: 1px solid var(--border-default);
  background: var(--bg-card);
  flex-shrink: 0;
}
.slide-viewer-title {
  font-family: Outfit, sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.slide-viewer-body {
  flex: 1;
  background: #000000;
  position: relative;
  width: 100%;
  height: 100%;
}
.slide-viewer-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}
.no-select {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}