@font-face{font-family:'Inter';font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/inter-var.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
  :root {
    --saaq-primary: #003DA5;
    --saaq-action: #0066CC;
    --saaq-success: #16A34A;
    --saaq-error: #DC2626;
    --saaq-warning: #F59E0B;
    --saaq-purple: #7C3AED;
    --saaq-pink: #EC4899;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  body {
    font-family: 'Inter', -apple-system, system-ui, sans-serif;
    background: var(--gray-100);
    color: var(--gray-900);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
  }

  /* NAV */
  .mockup-nav {
    position: sticky; top: 0; z-index: 1000;
    background: linear-gradient(90deg, #001B4D 0%, #002A6B 100%);
    padding: 12px 24px;
    display: flex; gap: 8px; overflow-x: auto;
    box-shadow: var(--shadow-lg);
    border-bottom: 2px solid var(--saaq-action);
  }
  .mockup-nav .brand {
    color: white; font-weight: 800; font-size: 14px;
    display: flex; align-items: center; gap: 8px;
    padding-right: 20px; border-right: 1px solid rgba(255,255,255,0.2);
    margin-right: 12px;
  }
  .mockup-nav .brand-icon {
    width: 28px; height: 28px;
    background: linear-gradient(135deg, var(--saaq-action), var(--saaq-purple));
    border-radius: 6px; display: grid; place-items: center; font-size: 14px;
  }
  .mockup-nav .brand-version {
    font-size: 10px; background: var(--saaq-success); color: white;
    padding: 2px 6px; border-radius: 4px; font-weight: 700;
  }
  .mockup-nav button {
    padding: 8px 14px; border: 1px solid rgba(255,255,255,0.15);
    background: transparent; color: var(--gray-300);
    border-radius: 8px; cursor: pointer;
    font-family: inherit; font-size: 12px; font-weight: 500;
    white-space: nowrap; transition: all 0.2s;
  }
  .mockup-nav button:hover { background: rgba(255,255,255,0.1); color: white; }
  .mockup-nav button.active {
    background: var(--saaq-action); border-color: var(--saaq-action); color: white;
    box-shadow: 0 0 20px rgba(0, 102, 204, 0.4);
  }

  /* SCREENS */
  .screen { display: none; min-height: calc(100vh - 60px); animation: fadeIn 0.3s ease; }
  .screen.active { display: block; }
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* LANDING */
  .landing-hero {
    background: linear-gradient(135deg, #001B4D 0%, var(--saaq-primary) 50%, var(--saaq-action) 100%);
    color: white; padding: 80px 40px 120px;
    position: relative; overflow: hidden;
  }
  .landing-hero::before {
    content: ''; position: absolute; top: -50%; right: -20%;
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.3) 0%, transparent 70%);
    border-radius: 50%;
  }
  .landing-hero::after {
    content: ''; position: absolute; bottom: -30%; left: -10%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.3) 0%, transparent 70%);
    border-radius: 50%;
  }
  .hero-content { max-width: 1300px; margin: 0 auto; position: relative; z-index: 1; }
  .landing-logo {
    display: flex; align-items: center; gap: 12px;
    font-size: 20px; font-weight: 800; margin-bottom: 60px;
  }
  .landing-logo-icon {
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--saaq-action), var(--saaq-purple));
    border-radius: 10px; display: grid; place-items: center; font-size: 22px;
  }
  .landing-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(22, 163, 74, 0.2); border: 1px solid var(--saaq-success);
    color: #86EFAC; padding: 6px 14px; border-radius: 999px;
    font-size: 12px; font-weight: 600; margin-bottom: 24px;
  }
  .hero-title {
    font-size: clamp(40px, 6vw, 72px); font-weight: 900;
    line-height: 1.05; margin-bottom: 24px; max-width: 900px;
    letter-spacing: -0.02em;
  }
  .hero-title span {
    background: linear-gradient(90deg, #FCD34D, #EC4899);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  .hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255,255,255,0.85);
    max-width: 700px; margin-bottom: 40px;
  }
  .hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 60px; }
  .btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 8px; padding: 14px 28px; border-radius: var(--radius);
    border: none; font-family: inherit; font-size: 15px;
    font-weight: 600; cursor: pointer; transition: all 0.2s;
    text-decoration: none; white-space: nowrap;
  }
  .btn-lg { padding: 16px 32px; font-size: 16px; }
  .btn-sm { padding: 8px 16px; font-size: 13px; }
  .btn-primary { background: var(--saaq-action); color: white; }
  .btn-primary:hover { background: #005BB8; transform: translateY(-1px); box-shadow: var(--shadow-lg); }
  .btn-success { background: var(--saaq-success); color: white; }
  .btn-success:hover { background: #15803D; transform: translateY(-1px); box-shadow: var(--shadow-lg); }
  .btn-outline { background: transparent; color: white; border: 2px solid rgba(255,255,255,0.4); }
  .btn-outline:hover { background: white; color: var(--saaq-primary); }
  .btn-ghost { background: transparent; color: var(--gray-700); }
  .btn-ghost:hover { background: var(--gray-100); }
  .btn-danger { background: var(--saaq-error); color: white; }
  .btn-purple { background: var(--saaq-purple); color: white; }

  .hero-stats {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 24px; max-width: 900px;
  }
  .hero-stat {
    border-left: 3px solid rgba(255,255,255,0.3); padding-left: 16px;
  }
  .hero-stat-value { font-size: 32px; font-weight: 900; }
  .hero-stat-label { font-size: 13px; color: rgba(255,255,255,0.7); }

  /* SECTIONS */
  .section { padding: 80px 40px; max-width: 1300px; margin: 0 auto; }
  .section-title {
    font-size: clamp(28px, 4vw, 44px); font-weight: 900;
    text-align: center; margin-bottom: 16px; letter-spacing: -0.02em;
  }
  .section-subtitle {
    text-align: center; color: var(--gray-500);
    font-size: 17px; max-width: 700px; margin: 0 auto 60px;
  }

  /* FEATURES */
  .features-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px;
  }
  .feature-card {
    background: white; padding: 32px; border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm); border: 1px solid var(--gray-200);
    transition: all 0.3s;
  }
  .feature-card:hover {
    transform: translateY(-4px); box-shadow: var(--shadow-xl);
    border-color: var(--saaq-action);
  }
  .feature-icon {
    width: 52px; height: 52px; border-radius: 12px;
    background: linear-gradient(135deg, var(--saaq-primary), var(--saaq-action));
    display: grid; place-items: center; color: white;
    font-size: 24px; margin-bottom: 20px;
  }
  .feature-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
  .feature-desc { color: var(--gray-500); font-size: 14px; }

  /* PRICING */
  .pricing-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px; max-width: 1200px; margin: 0 auto;
  }
  .pricing-card {
    background: white; border-radius: var(--radius-lg);
    padding: 40px 32px; border: 2px solid var(--gray-200);
    position: relative; transition: all 0.3s;
  }
  .pricing-card.popular {
    border-color: var(--saaq-action); transform: scale(1.03);
    box-shadow: var(--shadow-xl);
  }
  .pricing-badge {
    position: absolute; top: -14px; left: 50%;
    transform: translateX(-50%);
    background: var(--saaq-action); color: white;
    padding: 6px 16px; border-radius: 999px;
    font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
  }
  .pricing-badge.purple { background: var(--saaq-purple); }
  .pricing-name { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
  .pricing-price { font-size: 48px; font-weight: 900; color: var(--saaq-primary); }
  .pricing-price span { font-size: 16px; color: var(--gray-500); font-weight: 500; }
  .pricing-desc { color: var(--gray-500); margin: 16px 0 24px; font-size: 14px; }
  .pricing-list { list-style: none; margin-bottom: 32px; }
  .pricing-list li {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 6px 0; font-size: 14px; color: var(--gray-700);
  }
  .pricing-list li::before {
    content: '✓'; color: var(--saaq-success);
    font-weight: 700; font-size: 16px; flex-shrink: 0;
  }

  /* APP SHELL */
  .app-shell {
    display: grid; grid-template-columns: 260px 1fr;
    min-height: calc(100vh - 60px);
  }
  .sidebar {
    background: white; border-right: 1px solid var(--gray-200);
    padding: 24px 16px;
  }
  .sidebar-logo {
    display: flex; align-items: center; gap: 10px;
    font-weight: 800; font-size: 16px; color: var(--saaq-primary);
    padding: 0 12px 24px; border-bottom: 1px solid var(--gray-200);
    margin-bottom: 24px;
  }
  .sidebar-logo-icon {
    width: 34px; height: 34px;
    background: linear-gradient(135deg, var(--saaq-primary), var(--saaq-action));
    border-radius: 8px; display: grid; place-items: center;
    color: white; font-size: 16px;
  }
  .sidebar-nav { display: flex; flex-direction: column; gap: 4px; }
  .nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; border-radius: var(--radius);
    color: var(--gray-600); text-decoration: none;
    font-size: 14px; font-weight: 500;
    cursor: pointer; transition: all 0.15s;
    border: none; background: transparent;
    font-family: inherit; text-align: left; width: 100%;
  }
  .nav-item:hover { background: var(--gray-100); color: var(--gray-900); }
  .nav-item.active { background: var(--saaq-action); color: white; }
  .nav-icon { font-size: 18px; width: 20px; text-align: center; }
  .nav-badge {
    margin-left: auto; background: var(--saaq-error); color: white;
    font-size: 10px; padding: 2px 6px; border-radius: 999px; font-weight: 700;
  }

  .main-content { padding: 32px 40px; overflow-x: auto; }
  .page-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 32px; flex-wrap: wrap; gap: 16px;
  }
  .page-title { font-size: 28px; font-weight: 900; letter-spacing: -0.02em; }
  .page-subtitle { color: var(--gray-500); font-size: 14px; margin-top: 4px; }

  /* CARDS */
  .card {
    background: white; border-radius: var(--radius-lg);
    padding: 24px; box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
  }
  .card-header {
    display: flex; justify-content: space-between;
    align-items: center; margin-bottom: 20px;
  }
  .card-title { font-size: 16px; font-weight: 700; }

  .grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
  .grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; }
  .grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }

  .stat-card {
    background: white; border-radius: var(--radius-lg);
    padding: 24px; box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
  }
  .stat-label { font-size: 13px; color: var(--gray-500); font-weight: 500; margin-bottom: 8px; }
  .stat-value { font-size: 32px; font-weight: 900; color: var(--gray-900); }
  .stat-value.primary { color: var(--saaq-action); }
  .stat-value.success { color: var(--saaq-success); }
  .stat-value.purple { color: var(--saaq-purple); }
  .stat-change { font-size: 12px; margin-top: 8px; font-weight: 600; }
  .stat-change.up { color: var(--saaq-success); }
  .stat-change.down { color: var(--saaq-error); }

  .progress-bar {
    width: 100%; height: 10px; background: var(--gray-200);
    border-radius: 999px; overflow: hidden; margin: 12px 0;
  }
  .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--saaq-primary), var(--saaq-action));
    border-radius: 999px; transition: width 0.6s ease;
  }
  .progress-fill.success { background: linear-gradient(90deg, #15803D, var(--saaq-success)); }
  .progress-fill.purple { background: linear-gradient(90deg, var(--saaq-purple), var(--saaq-pink)); }

  .badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 12px; border-radius: 999px;
    font-size: 12px; font-weight: 600;
  }
  .badge-success { background: #DCFCE7; color: #15803D; }
  .badge-primary { background: #E0F0FF; color: var(--saaq-action); }
  .badge-warning { background: #FEF3C7; color: #B45309; }
  .badge-danger { background: #FEE2E2; color: #B91C1C; }
  .badge-gray { background: var(--gray-100); color: var(--gray-700); }
  .badge-purple { background: #F3E8FF; color: var(--saaq-purple); }

  /* MONITEUR */
  .moniteur-card {
    background: white; border-radius: var(--radius-lg);
    padding: 20px; border: 1px solid var(--gray-200);
    display: flex; gap: 16px; align-items: center;
    margin-bottom: 12px; transition: all 0.2s; cursor: pointer;
  }
  .moniteur-card:hover {
    border-color: var(--saaq-action); box-shadow: var(--shadow);
    transform: translateY(-2px);
  }
  .moniteur-avatar {
    width: 64px; height: 64px; border-radius: 50%;
    background: linear-gradient(135deg, var(--saaq-primary), var(--saaq-action));
    display: grid; place-items: center; color: white;
    font-size: 22px; font-weight: 700; flex-shrink: 0;
    position: relative;
  }
  .moniteur-avatar.online::after {
    content: ''; position: absolute; bottom: 2px; right: 2px;
    width: 14px; height: 14px; background: var(--saaq-success);
    border: 3px solid white; border-radius: 50%;
  }
  .moniteur-info { flex: 1; }
  .moniteur-name {
    font-size: 16px; font-weight: 700;
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  }
  .moniteur-meta { color: var(--gray-500); font-size: 13px; margin-top: 4px; }
  .moniteur-times { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
  .time-chip {
    padding: 6px 14px; background: var(--gray-100);
    border-radius: 999px; font-size: 12px; font-weight: 600;
    color: var(--gray-700); cursor: pointer;
    transition: all 0.15s; border: 1px solid transparent;
  }
  .time-chip:hover { background: var(--saaq-action); color: white; }
  .time-chip.selected { background: var(--saaq-action); color: white; }

  /* IA CHAT */
  .ia-panel {
    background: linear-gradient(135deg, #F3E8FF 0%, #E0F0FF 100%);
    border-radius: var(--radius-lg); padding: 24px;
    border: 2px solid var(--saaq-purple);
  }
  .ia-message {
    display: flex; gap: 12px; margin-bottom: 16px;
  }
  .ia-avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: linear-gradient(135deg, var(--saaq-purple), var(--saaq-pink));
    display: grid; place-items: center; color: white;
    font-size: 18px; flex-shrink: 0;
  }
  .ia-bubble {
    background: white; padding: 12px 16px; border-radius: 12px;
    font-size: 14px; box-shadow: var(--shadow-sm); flex: 1;
  }
  .ia-user {
    background: var(--saaq-action); color: white;
    padding: 12px 16px; border-radius: 12px;
    font-size: 14px; margin-left: auto; max-width: 70%;
  }

  /* EXAM SIMULATOR */
  .exam-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 24px; background: var(--gray-50);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border: 1px solid var(--gray-200); border-bottom: none;
  }
  .exam-timer {
    font-size: 18px; font-weight: 800; color: var(--saaq-error);
    font-variant-numeric: tabular-nums;
  }
  .exam-body {
    background: white; padding: 32px;
    border: 1px solid var(--gray-200);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }
  .exam-question { font-size: 20px; font-weight: 700; margin-bottom: 24px; line-height: 1.4; }
  .exam-visual {
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    border-radius: var(--radius); padding: 60px; text-align: center;
    color: var(--gray-500); font-size: 13px; margin-bottom: 24px;
    border: 2px dashed var(--gray-300);
  }
  .exam-option {
    display: flex; align-items: center; gap: 12px;
    padding: 16px 20px; border: 2px solid var(--gray-200);
    border-radius: var(--radius); margin-bottom: 12px;
    cursor: pointer; transition: all 0.15s; font-size: 15px;
  }
  .exam-option:hover { border-color: var(--saaq-action); background: #F2F8FF; }
  .exam-option.selected { border-color: var(--saaq-action); background: #E0F0FF; }
  .exam-option.correct { border-color: var(--saaq-success); background: #DCFCE7; }
  .exam-option.wrong { border-color: var(--saaq-error); background: #FEE2E2; }
  .exam-option-letter {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--gray-100); display: grid; place-items: center;
    font-weight: 700; font-size: 14px; color: var(--gray-700);
    flex-shrink: 0;
  }
  .exam-option.selected .exam-option-letter { background: var(--saaq-action); color: white; }
  .exam-option.correct .exam-option-letter { background: var(--saaq-success); color: white; }
  .exam-option.wrong .exam-option-letter { background: var(--saaq-error); color: white; }
  .exam-footer {
    display: flex; justify-content: space-between; align-items: center;
    margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--gray-200);
  }

  /* MARKETPLACE */
  .marketplace-layout { display: grid; grid-template-columns: 280px 1fr; gap: 24px; }
  .filter-panel {
    background: white; border-radius: var(--radius-lg); padding: 20px;
    border: 1px solid var(--gray-200); height: fit-content;
    position: sticky; top: 80px;
  }
  .filter-title {
    font-size: 13px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.5px; color: var(--gray-500); margin-bottom: 12px;
  }
  .filter-group { margin-bottom: 20px; }
  .filter-group label {
    display: block; font-size: 13px; font-weight: 600;
    margin-bottom: 6px; color: var(--gray-700);
  }
  .filter-group select, .filter-group input {
    width: 100%; padding: 10px 12px; border: 1px solid var(--gray-300);
    border-radius: 8px; font-family: inherit; font-size: 14px; background: white;
  }
  .map-placeholder {
    background: linear-gradient(135deg, #E0F0FF, #C7E3FF);
    border-radius: var(--radius-lg); height: 400px;
    display: grid; place-items: center; color: var(--saaq-primary);
    font-weight: 600; position: relative; overflow: hidden; margin-bottom: 24px;
  }
  .map-pin {
    position: absolute; width: 36px; height: 36px;
    background: var(--saaq-action); border: 3px solid white;
    border-radius: 50% 50% 50% 0; transform: rotate(-45deg);
    box-shadow: var(--shadow-lg); display: grid; place-items: center;
    color: white; font-size: 14px; font-weight: 700;
  }
  .map-pin span { transform: rotate(45deg); }

  /* AUTH */
  .auth-container {
    min-height: calc(100vh - 60px); display: grid; place-items: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #F2F8FF, #E0F0FF);
  }
  .auth-card {
    background: white; border-radius: var(--radius-xl);
    padding: 48px 40px; box-shadow: var(--shadow-xl);
    width: 100%; max-width: 440px;
  }
  .auth-logo {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--saaq-primary), var(--saaq-action));
    border-radius: var(--radius); display: grid; place-items: center;
    color: white; font-size: 32px; margin: 0 auto 24px;
  }
  .auth-title { font-size: 26px; font-weight: 900; text-align: center; margin-bottom: 8px; }
  .auth-subtitle { color: var(--gray-500); text-align: center; margin-bottom: 32px; font-size: 14px; }
  .form-group { margin-bottom: 18px; }
  .form-label {
    display: block; font-size: 13px; font-weight: 600;
    color: var(--gray-700); margin-bottom: 6px;
  }
  .form-input {
    width: 100%; padding: 12px 14px; border: 1px solid var(--gray-300);
    border-radius: var(--radius); font-family: inherit; font-size: 14px;
    transition: all 0.15s;
  }
  .form-input:focus {
    outline: none; border-color: var(--saaq-action);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
  }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .checkbox-row {
    display: flex; align-items: flex-start; gap: 10px;
    font-size: 13px; color: var(--gray-600); margin-bottom: 24px;
  }
  .checkbox-row input { margin-top: 2px; flex-shrink: 0; }
  .auth-footer {
    text-align: center; margin-top: 24px;
    font-size: 13px; color: var(--gray-500);
  }
  .auth-footer a { color: var(--saaq-action); font-weight: 600; text-decoration: none; }

  /* FOOTER */
  .footer {
    background: #001B4D; color: var(--gray-400);
    padding: 60px 40px 30px; text-align: center; font-size: 13px;
  }
  .footer-taxes { margin-top: 20px; font-size: 12px; color: var(--gray-500); }

  /* RESPONSIVE */
  @media (max-width: 768px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .main-content { padding: 20px; }
    .marketplace-layout { grid-template-columns: 1fr; }
    .pricing-card.popular { transform: none; }
    .section { padding: 60px 20px; }
    .landing-hero { padding: 60px 20px 80px; }
    .hero-cta { flex-direction: column; }
    .hero-cta .btn { width: 100%; }
  }

  /* UTILS */
  .text-center { text-align: center; }
  .text-muted { color: var(--gray-500); }
  .mt-4 { margin-top: 16px; }
  .mt-8 { margin-top: 32px; }
  .mb-4 { margin-bottom: 16px; }
  .mb-8 { margin-bottom: 32px; }
  .flex { display: flex; }
  .flex-between { display: flex; justify-content: space-between; align-items: center; }
  .gap-2 { gap: 8px; }
  .gap-4 { gap: 16px; }