/* AcademyScanner - Ultra-Advanced Design System */

/* ============================================
   CSS Custom Properties - Design Tokens
   ============================================ */
:root {
    color-scheme: light;
    /* Background Colors - Light-sky palette from login */
    --bg-primary: #f0f9ff;
    --bg-secondary: #e0f2fe;
    --bg-tertiary: #dbeafe;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f9ff;

    /* Text Colors - Dark navy */
    --text-primary: #0c1e3d;
    --text-secondary: #1e3a8a;
    --text-muted: #64748b;

    /* Border Colors */
    --border-color: #bfdbfe;
    --border-light: #dbeafe;
    --border-focus: rgba(30, 64, 175, 0.4);

    /* Brand Colors - Dark blue + cyan from login */
    --primary: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #dbeafe;
    --primary-rgb: 30, 64, 175;
    --accent: #06b6d4;
    --accent-hover: #0891b2;
    --gradient-start: #1e3a8a;
    --gradient-end: #3b82f6;
    --success: #059669;
    --success-light: #d1fae5;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #ea580c;
    --info: #06b6d4;

    /* Score Gradient Stops */
    --score-0: #dc2626;
    --score-25: #ea580c;
    --score-50: #d97706;
    --score-75: #1e40af;
    --score-100: #059669;

    /* Glassmorphism - More refined */
    --glass-bg: rgba(255, 255, 255, 0.78);
    --glass-border: rgba(255, 255, 255, 0.45);
    --glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --glass-blur: 16px;

    /* Layered Shadows - Modern multi-layer */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.03), 0 1px 3px rgba(0,0,0,0.02);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-md: 0 2px 4px rgba(0,0,0,0.03), 0 8px 24px rgba(0,0,0,0.06);
    --shadow-lg: 0 4px 8px rgba(0,0,0,0.03), 0 16px 40px rgba(0,0,0,0.08);
    --shadow-xl: 0 8px 16px rgba(0,0,0,0.04), 0 24px 56px rgba(0,0,0,0.10);
    --shadow-2xl: 0 16px 32px rgba(0,0,0,0.06), 0 32px 64px rgba(0,0,0,0.12);
    --shadow-glow-primary: 0 0 24px rgba(30,64,175,0.25);
    --shadow-glow-success: 0 0 24px rgba(5,150,105,0.25);
    --shadow-glow-danger: 0 0 24px rgba(220,38,38,0.25);
    --shadow-glow-accent: 0 0 24px rgba(6,182,212,0.25);

    /* Typography Scale - Tighter, more modern */
    --font-xs: 0.75rem;
    --font-sm: 0.8125rem;
    --font-base: 0.9375rem;
    --font-lg: 1.0625rem;
    --font-xl: 1.1875rem;
    --font-2xl: 1.5rem;
    --font-3xl: 1.875rem;
    --font-4xl: 2.25rem;
    --font-5xl: 3rem;
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;

    /* Spacing & Radius - Larger, more modern */
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    /* Transitions - Refined physics-based */
    --transition-fast: 120ms cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-base: 220ms cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-slow: 380ms cubic-bezier(0.22, 1, 0.36, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Modern Motion Tokens */
    --spring-ease: cubic-bezier(0.34, 1.56, 0.64, 1);
    --smooth-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --elastic-ease: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --stagger-base: 60ms;
    --animation-distance: 24px;
    --gradient-accent-1: #1e40af;
    --gradient-accent-2: #3b82f6;
    --gradient-accent-3: #06b6d4;
    --gradient-mesh-1: rgba(30, 64, 175, 0.35);
    --gradient-mesh-2: rgba(59, 130, 246, 0.25);
    --gradient-mesh-3: rgba(6, 182, 212, 0.3);
    --gradient-mesh-4: rgba(5, 150, 105, 0.15);
}

/* ============================================
   Dark Mode
   ============================================ */
[data-bs-theme="dark"] {
    --bg-primary: #0b1120;
    --bg-secondary: #151d2e;
    --bg-tertiary: #1c2640;
    --bg-card: #162032;
    --bg-card-hover: #1e2d45;
    --text-primary: #e8ecf4;
    --text-secondary: #9ba8c2;
    --text-muted: #5e6e8a;
    --border-color: #243050;
    --border-light: #1a2540;
    --border-focus: rgba(129, 140, 248, 0.5);
    --glass-bg: rgba(22, 32, 50, 0.88);
    --glass-border: rgba(36, 48, 80, 0.6);
    --glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.25), 0 1px 3px rgba(0, 0, 0, 0.15);
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.15);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.15), 0 4px 12px rgba(0,0,0,0.12);
    --shadow-md: 0 2px 4px rgba(0,0,0,0.15), 0 8px 24px rgba(0,0,0,0.18);
    --shadow-lg: 0 4px 8px rgba(0,0,0,0.15), 0 16px 40px rgba(0,0,0,0.22);
    --shadow-xl: 0 8px 16px rgba(0,0,0,0.18), 0 24px 56px rgba(0,0,0,0.25);
}

[data-bs-theme="dark"] body { background-color: var(--bg-primary); color: var(--text-primary); }
[data-bs-theme="dark"] .card { background: var(--bg-card); border-color: var(--border-color); }
[data-bs-theme="dark"] .bg-white { background-color: var(--bg-card) !important; }
[data-bs-theme="dark"] .bg-light { background-color: var(--bg-secondary) !important; }
[data-bs-theme="dark"] .text-dark { color: var(--text-primary) !important; }
[data-bs-theme="dark"] .form-control { background: var(--bg-secondary); border-color: var(--border-color); color: var(--text-primary); }
[data-bs-theme="dark"] .table { color: var(--text-primary); --bs-table-bg: var(--bg-card); }
[data-bs-theme="dark"] .list-group-item { background: var(--bg-card); border-color: var(--border-color); color: var(--text-primary); }
[data-bs-theme="dark"] .dropdown-menu { background: var(--bg-card); border-color: var(--border-color); }
[data-bs-theme="dark"] .dropdown-item { color: var(--text-primary); }
[data-bs-theme="dark"] .dropdown-item:hover { background: var(--bg-secondary); }
[data-bs-theme="dark"] .modal-content { background: var(--bg-card); border-color: var(--border-color); }
.modal-content {
    border-radius: var(--radius-lg) !important;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-2xl);
}
.modal.fade .modal-dialog {
    transition: transform 0.25s var(--smooth-ease), opacity 0.2s ease;
}

/* Shortcut Modal Rows */
.shortcut-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}
.shortcut-row:hover {
    background: var(--bg-secondary);
}
.shortcut-keys {
    display: flex;
    align-items: center;
    gap: 2px;
}
.shortcut-keys kbd {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 3px 8px;
    font-size: var(--font-xs);
    border-radius: var(--radius-xs);
    box-shadow: 0 1px 0 var(--border-color);
    min-width: 24px;
    text-align: center;
}
.shortcut-desc {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}
[data-bs-theme="dark"] .border-bottom { border-color: var(--border-color) !important; }
[data-bs-theme="dark"] .card-header { background: var(--bg-secondary) !important; border-color: var(--border-color); }

/* ============================================
   Base Styles
   ============================================ */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--font-base);
    line-height: var(--line-height-normal);
    letter-spacing: var(--tracking-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

h1, h2, h3, h4, h5, h6 {
    letter-spacing: var(--tracking-tight);
    line-height: var(--line-height-tight);
}

a { transition: color var(--transition-fast); }

/* Subtle noise texture overlay */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.015'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
}
[data-bs-theme="dark"] body::before {
    opacity: 0.5;
}
body > * {
    position: relative;
    z-index: 1;
}

/* ============================================
   Glassmorphism Components
   ============================================ */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.glass-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(var(--primary-rgb), 0.15);
}

/* ============================================
   Micro-Interactions & Animations
   ============================================ */
.hover-lift { transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base); }
.hover-lift:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.hover-lift:active { transform: translateY(-1px); }

.hover-glow { transition: box-shadow var(--transition-base); }
.hover-glow:hover { box-shadow: var(--shadow-glow-primary); }

.hover-scale { transition: transform var(--transition-base); }
.hover-scale:hover { transform: scale(1.02); }
.hover-scale:active { transform: scale(0.99); }

.fade-in { animation: fadeIn 0.5s ease-out both; }
.fade-in-up { animation: fadeInUp 0.6s ease-out both; }
.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.3s; }
.fade-in-delay-4 { animation-delay: 0.4s; }

.pulse-once { animation: pulseOnce 0.6s ease; }
.pulse-glow { animation: pulseGlow 2s ease-in-out infinite; }

.slide-in-right { animation: slideInRight 0.4s ease-out both; }
.scale-in { animation: scaleIn 0.4s ease-out both; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulseOnce { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }
@keyframes pulseGlow { 0%,100% { box-shadow: 0 0 0 rgba(37,99,235,0); } 50% { box-shadow: 0 0 20px rgba(37,99,235,0.3); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }
@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 1s linear infinite; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
@keyframes gradientShift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
@keyframes float { 0%,100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-20px) rotate(3deg); } }
@keyframes borderGlow {
    0%,100% { border-color: rgba(239,68,68,0.6); box-shadow: 0 0 8px rgba(239,68,68,0.2); }
    50% { border-color: rgba(239,68,68,1); box-shadow: 0 0 16px rgba(239,68,68,0.4); }
}

/* ============================================
   Accessibility: Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .scroll-reveal,
    .scroll-reveal-left,
    .scroll-reveal-right,
    .scroll-reveal-scale { opacity: 1 !important; transform: none !important; }
    .page-loader { display: none !important; }
    .hero-floating-shapes { display: none !important; }
}

/* ============================================
   Scroll Reveal System (IntersectionObserver)
   ============================================ */
.scroll-reveal {
    opacity: 0;
    transform: translateY(var(--animation-distance));
    transition: opacity 0.7s var(--smooth-ease), transform 0.7s var(--smooth-ease);
    transition-delay: calc(var(--reveal-index, 0) * var(--stagger-base));
}
.scroll-reveal-left {
    opacity: 0;
    transform: translateX(calc(var(--animation-distance) * -1));
    transition: opacity 0.7s var(--smooth-ease), transform 0.7s var(--smooth-ease);
    transition-delay: calc(var(--reveal-index, 0) * var(--stagger-base));
}
.scroll-reveal-right {
    opacity: 0;
    transform: translateX(var(--animation-distance));
    transition: opacity 0.7s var(--smooth-ease), transform 0.7s var(--smooth-ease);
    transition-delay: calc(var(--reveal-index, 0) * var(--stagger-base));
}
.scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.7s var(--smooth-ease), transform 0.7s var(--smooth-ease);
    transition-delay: calc(var(--reveal-index, 0) * var(--stagger-base));
}
.scroll-reveal.revealed,
.scroll-reveal-left.revealed,
.scroll-reveal-right.revealed,
.scroll-reveal-scale.revealed {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

/* ============================================
   Gradient Text Utilities
   ============================================ */
.gradient-text {
    background: linear-gradient(135deg, var(--gradient-accent-1), var(--gradient-accent-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.gradient-text-primary {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 60%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.gradient-text-hero {
    background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 40%, #c4b5fd 70%, #e9d5ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Animated Glow Border
   ============================================ */
.glow-border {
    position: relative;
    overflow: hidden;
}
.glow-border::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: conic-gradient(from 0deg, var(--gradient-accent-1), var(--gradient-accent-2), var(--gradient-accent-3), var(--primary), var(--gradient-accent-1));
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s var(--smooth-ease);
    animation: glowRotate 4s linear infinite;
}
.glow-border:hover::before {
    opacity: 1;
}
.glow-border::after {
    content: '';
    position: absolute;
    top: 1px; left: 1px; right: 1px; bottom: 1px;
    background: var(--bg-card);
    border-radius: inherit;
    z-index: -1;
}
@keyframes glowRotate {
    to { transform: rotate(360deg); }
}

/* ============================================
   Confetti Keyframes
   ============================================ */
@keyframes confettiFall {
    0% { transform: translateY(0) rotate(0deg) scale(1); opacity: 1; }
    100% { transform: translateY(120vh) rotate(720deg) scale(0.3); opacity: 0; }
}

/* ============================================
   Button Ripple Effect
   ============================================ */
.ripple-effect {
    position: relative;
    overflow: hidden;
}
.ripple-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    transform: scale(0);
    animation: rippleExpand 0.6s ease-out forwards;
    pointer-events: none;
}
@keyframes rippleExpand {
    to { transform: scale(4); opacity: 0; }
}

/* ============================================
   Page Loader
   ============================================ */
.page-loader {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 99999;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s var(--smooth-ease), visibility 0.5s;
}
.page-loader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.page-loader-spinner {
    width: 36px;
    height: 36px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ============================================
   Scroll Progress Bar
   ============================================ */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--gradient-accent-2));
    z-index: 99998;
    transition: width 50ms linear;
    opacity: 0.8;
}

/* ============================================
   Skeleton Loading
   ============================================ */
.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border-light) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}
.skeleton-text { height: 1em; margin: 0.5em 0; }
.skeleton-circle { border-radius: 50%; }
.skeleton-chart { height: 200px; border-radius: var(--radius-md); }
.skeleton-card { height: 120px; border-radius: var(--radius-lg); }

/* ============================================
   Animated Gradient Backgrounds
   ============================================ */
.animated-gradient-bg {
    background: linear-gradient(-45deg, #0f172a, #1e3a8a, #2563eb, #7c3aed);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* ============================================
   Navbar
   ============================================ */
.bg-primary-gradient {
    background: linear-gradient(135deg, var(--gradient-start) 0%, #1e40af 40%, var(--gradient-end) 100%);
    box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset, 0 4px 20px rgba(0,0,0,0.2);
}

.navbar-brand {
    font-size: 1.2rem;
    letter-spacing: -0.5px;
    font-weight: 700;
}
.navbar-brand i {
    opacity: 0.9;
}

.nav-search-input {
    background: rgba(255,255,255,0.08) !important;
    border: 1px solid rgba(255,255,255,0.12) !important;
    color: #fff !important;
    transition: all 300ms var(--smooth-ease);
    font-size: var(--font-sm);
    padding: 8px 38px 8px 16px;
    border-radius: var(--radius-full);
    width: 200px;
}
.nav-search-input::placeholder { color: rgba(255,255,255,0.4); font-size: var(--font-xs); }
.nav-search-input:focus {
    background: rgba(255,255,255,0.15) !important;
    border-color: rgba(255,255,255,0.25) !important;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.08), 0 4px 16px rgba(0,0,0,0.1);
    width: 280px !important;
    outline: none;
}
.nav-search-results {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    margin-top: 6px;
    overflow: hidden;
    z-index: 1000;
}
[data-bs-theme="dark"] .nav-search-results {
    background: rgba(30, 41, 59, 0.95);
}
.nav-search-result-item {
    display: block;
    padding: 10px 14px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--border-light);
}
.nav-search-result-item:last-child { border-bottom: none; }
.nav-search-result-item:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding-left: 18px;
}

.dark-mode-toggle {
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    font-size: 0.9rem;
    transition: all var(--transition-base);
    cursor: pointer;
}
.dark-mode-toggle:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.2); }

/* Glassmorphic Navbar on Scroll */
.navbar.navbar-scrolled {
    background: rgba(49, 46, 129, 0.82) !important;
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset, 0 8px 32px rgba(0, 0, 0, 0.18);
}
[data-bs-theme="dark"] .navbar.navbar-scrolled {
    background: rgba(11, 17, 32, 0.88) !important;
}

/* Frosted Glass Dropdowns */
.navbar .dropdown-menu {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(24px) saturate(1.3);
    -webkit-backdrop-filter: blur(24px) saturate(1.3);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 6px rgba(0,0,0,0.04), 0 16px 48px rgba(0, 0, 0, 0.1);
    animation: dropdownSlideIn 0.2s var(--smooth-ease);
    transform-origin: top center;
    padding: 6px;
}
[data-bs-theme="dark"] .navbar .dropdown-menu {
    background: rgba(22, 32, 50, 0.95);
    border-color: rgba(36, 48, 80, 0.6);
}
@keyframes dropdownSlideIn {
    from { opacity: 0; transform: translateY(-6px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.dropdown-item {
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
    margin: 1px 0;
    padding: 8px 14px;
    font-size: var(--font-sm);
}
.dropdown-item:hover {
    transform: translateX(3px);
    background: var(--bg-secondary);
}
.dropdown-item i {
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}
.dropdown-item:hover i {
    opacity: 1;
}

/* Breadcrumb Slide-In */
.breadcrumb-nav {
    animation: breadcrumbSlideDown 0.4s var(--smooth-ease);
}
@keyframes breadcrumbSlideDown {
    from { opacity: 0; transform: translateY(-100%); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Form Focus Glow
   ============================================ */
.form-control:focus, .form-select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.12), 0 1px 4px rgba(var(--primary-rgb), 0.08);
    transition: all var(--transition-base);
    outline: none;
}
.input-group:focus-within {
    box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.1), var(--shadow-lg);
    border-radius: var(--radius-full);
    transition: box-shadow var(--transition-base);
}
.form-control {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    font-size: var(--font-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    background: #0b1120;
    min-height: 520px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image:
        radial-gradient(ellipse at 20% 80%, var(--gradient-mesh-1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, var(--gradient-mesh-2) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, var(--gradient-mesh-3) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 80%, var(--gradient-mesh-4) 0%, transparent 50%);
    animation: meshShift 20s ease-in-out infinite alternate;
}
@keyframes meshShift {
    0% {
        background-image:
            radial-gradient(ellipse at 20% 80%, var(--gradient-mesh-1) 0%, transparent 50%),
            radial-gradient(ellipse at 80% 20%, var(--gradient-mesh-2) 0%, transparent 50%),
            radial-gradient(ellipse at 50% 50%, var(--gradient-mesh-3) 0%, transparent 60%),
            radial-gradient(ellipse at 80% 80%, var(--gradient-mesh-4) 0%, transparent 50%);
    }
    33% {
        background-image:
            radial-gradient(ellipse at 40% 30%, var(--gradient-mesh-1) 0%, transparent 50%),
            radial-gradient(ellipse at 60% 70%, var(--gradient-mesh-2) 0%, transparent 50%),
            radial-gradient(ellipse at 30% 60%, var(--gradient-mesh-3) 0%, transparent 60%),
            radial-gradient(ellipse at 70% 40%, var(--gradient-mesh-4) 0%, transparent 50%);
    }
    66% {
        background-image:
            radial-gradient(ellipse at 70% 60%, var(--gradient-mesh-1) 0%, transparent 50%),
            radial-gradient(ellipse at 30% 40%, var(--gradient-mesh-2) 0%, transparent 50%),
            radial-gradient(ellipse at 60% 20%, var(--gradient-mesh-3) 0%, transparent 60%),
            radial-gradient(ellipse at 20% 70%, var(--gradient-mesh-4) 0%, transparent 50%);
    }
    100% {
        background-image:
            radial-gradient(ellipse at 50% 40%, var(--gradient-mesh-1) 0%, transparent 50%),
            radial-gradient(ellipse at 40% 60%, var(--gradient-mesh-2) 0%, transparent 50%),
            radial-gradient(ellipse at 70% 30%, var(--gradient-mesh-3) 0%, transparent 60%),
            radial-gradient(ellipse at 30% 80%, var(--gradient-mesh-4) 0%, transparent 50%);
    }
}

.hero-section h1 { letter-spacing: -0.04em; }

/* Hero Search Wrapper Glow */
.hero-search-wrapper {
    position: relative;
}
.hero-search-wrapper::before {
    content: '';
    position: absolute;
    top: -4px; left: -4px; right: -4px; bottom: -4px;
    background: linear-gradient(135deg, rgba(30,64,175,0.4), rgba(59,130,246,0.3), rgba(6,182,212,0.2));
    border-radius: var(--radius-full);
    filter: blur(16px);
    opacity: 0.6;
    z-index: -1;
    animation: heroGlow 4s ease-in-out infinite alternate;
}
@keyframes heroGlow {
    0% { opacity: 0.4; filter: blur(16px); }
    100% { opacity: 0.7; filter: blur(20px); }
}

/* Floating Shapes */
.hero-floating-shapes { position: absolute; top: 0; left: 0; right: 0; bottom: 0; overflow: hidden; pointer-events: none; }
.floating-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.06;
}
.shape-1 { width: 400px; height: 400px; background: var(--accent); top: -100px; right: -80px; animation: float 18s ease-in-out infinite; }
.shape-2 { width: 250px; height: 250px; background: #06b6d4; bottom: -60px; left: -40px; animation: float 22s ease-in-out infinite 3s; }
.shape-3 { width: 180px; height: 180px; background: #10b981; top: 40%; left: 60%; animation: float 16s ease-in-out infinite 6s; }

/* Hero Stat Cards */
.hero-stat-card {
    text-align: center;
    padding: 1.25rem 1rem;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}
.hero-stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}
.hero-stat-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.15);
    transform: translateY(-2px);
}
.hero-stat-icon {
    display: block;
    font-size: 1.1rem;
    color: rgba(255,255,255,0.4);
    margin-bottom: 0.5rem;
}
.hero-stat {
    text-align: center;
    padding: 0.5rem 1.5rem;
}
.hero-stat-value {
    font-size: var(--font-3xl);
    font-weight: 800;
    letter-spacing: -0.04em;
    color: #fff;
    font-variant-numeric: tabular-nums;
}
.hero-stat-label {
    font-size: var(--font-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.5);
}

/* ============================================
   Buttons
   ============================================ */
.btn-accent {
    background: linear-gradient(135deg, var(--accent), #e8930a);
    color: #fff;
    border: none;
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: all var(--transition-base);
    box-shadow: 0 2px 4px rgba(245,158,11,0.2), 0 4px 12px rgba(245,158,11,0.15);
    border-radius: var(--radius-sm);
}
.btn-accent:hover {
    background: linear-gradient(135deg, var(--accent-hover), var(--accent));
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(245,158,11,0.25), 0 8px 24px rgba(245,158,11,0.2);
}
.btn-accent:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(245,158,11,0.2);
}

.btn-glass {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.15);
    color: #fff;
    transition: all var(--transition-base);
    border-radius: var(--radius-sm);
}
.btn-glass:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.25);
    color: #fff;
    transform: translateY(-1px);
}

/* Modern primary button */
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: var(--radius-sm);
    box-shadow: 0 1px 2px rgba(var(--primary-rgb), 0.2), 0 4px 12px rgba(var(--primary-rgb), 0.15);
    transition: all var(--transition-base);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(var(--primary-rgb), 0.25), 0 8px 20px rgba(var(--primary-rgb), 0.2);
}
.btn-primary:active {
    transform: translateY(0);
}
.btn-outline-primary {
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all var(--transition-base);
}
.btn-outline-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.15);
}

/* ============================================
   Cards
   ============================================ */
.feature-card {
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    background: var(--bg-card);
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(var(--primary-rgb), 0.12);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: transform 350ms var(--spring-ease);
}
.feature-card:hover .feature-icon,
.glass-card:hover .feature-icon { transform: scale(1.08) rotate(-2deg); }

/* ============================================
   Step Numbers
   ============================================ */
.step-number {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(var(--primary-rgb),0.2), 0 4px 16px rgba(var(--primary-rgb),0.15);
    transition: transform 300ms var(--spring-ease);
}
.glass-card:hover .step-number {
    transform: scale(1.08);
}

/* ============================================
   Score System
   ============================================ */
.score-card {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.score-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(var(--primary-rgb), 0.12);
}

.score-value {
    font-size: var(--font-4xl);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.score-label {
    font-size: var(--font-xs);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
}

/* Delta Indicators */
.delta-badge {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-size: var(--font-xs);
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}
.delta-badge.positive, .delta-badge.delta-up { background: #dcfce7; color: #166534; }
.delta-badge.negative, .delta-badge.delta-down { background: #fee2e2; color: #991b1b; }
.delta-badge.neutral, .delta-badge.delta-neutral { background: var(--bg-secondary); color: var(--text-muted); }
[data-bs-theme="dark"] .delta-badge.positive, [data-bs-theme="dark"] .delta-badge.delta-up { background: rgba(16,185,129,0.2); color: #86efac; }
[data-bs-theme="dark"] .delta-badge.negative, [data-bs-theme="dark"] .delta-badge.delta-down { background: rgba(239,68,68,0.2); color: #fca5a5; }

/* Grade Badge */
.grade-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    font-weight: 800;
    transition: transform var(--transition-base);
}
.grade-badge:hover { transform: scale(1.1); }
.grade-a-plus { background: linear-gradient(135deg, #dcfce7, #bbf7d0); color: #166534; box-shadow: 0 4px 12px rgba(22,101,52,0.15); }
.grade-a { background: linear-gradient(135deg, #d1fae5, #a7f3d0); color: #065f46; box-shadow: 0 4px 12px rgba(6,95,70,0.15); }
.grade-b-plus { background: linear-gradient(135deg, #dbeafe, #bfdbfe); color: #1e40af; box-shadow: 0 4px 12px rgba(30,64,175,0.15); }
.grade-b { background: linear-gradient(135deg, #e0e7ff, #c7d2fe); color: #3730a3; box-shadow: 0 4px 12px rgba(55,48,163,0.15); }
.grade-c-plus { background: linear-gradient(135deg, #fef3c7, #fde68a); color: #92400e; box-shadow: 0 4px 12px rgba(146,64,14,0.15); }
.grade-c { background: linear-gradient(135deg, #fef9c3, #fef08a); color: #854d0e; box-shadow: 0 4px 12px rgba(133,77,14,0.15); }
.grade-d { background: linear-gradient(135deg, #fed7aa, #fdba74); color: #9a3412; box-shadow: 0 4px 12px rgba(154,52,18,0.15); }
.grade-e { background: linear-gradient(135deg, #fecaca, #fca5a5); color: #991b1b; box-shadow: 0 4px 12px rgba(153,27,27,0.15); }
.grade-f { background: linear-gradient(135deg, #fee2e2, #fecaca); color: #7f1d1d; box-shadow: 0 4px 12px rgba(127,29,29,0.15); }

/* ============================================
   Scan Progress
   ============================================ */
.scan-progress-bar {
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    background: var(--bg-tertiary);
}
.scan-progress-fill {
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--primary), var(--gradient-accent-2));
    transition: width 0.5s var(--smooth-ease);
    position: relative;
}
.scan-progress-fill::after {
    content: '';
    position: absolute;
    top: 0; right: 0; bottom: 0;
    width: 40px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3));
    animation: shimmer 1.5s infinite;
}

/* Scan Steps - Timeline */
.scan-step {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 4px;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    font-size: var(--font-sm);
}
.scan-step.pending { background: var(--bg-secondary); color: var(--text-muted); }
.scan-step.running { background: rgba(var(--primary-rgb),0.06); color: var(--primary); border-left: 3px solid var(--primary); font-weight: 500; }
.scan-step.completed { background: rgba(5,150,105,0.06); color: #059669; }
.scan-step.failed { background: rgba(220,38,38,0.06); color: #dc2626; }

[data-bs-theme="dark"] .scan-step.pending { background: var(--bg-secondary); }
[data-bs-theme="dark"] .scan-step.running { background: rgba(var(--primary-rgb),0.12); }
[data-bs-theme="dark"] .scan-step.completed { background: rgba(5,150,105,0.1); }
[data-bs-theme="dark"] .scan-step.failed { background: rgba(220,38,38,0.1); }

.scan-step .step-icon { font-size: 1.1rem; width: 24px; text-align: center; }
.scan-step .step-label { flex: 1; }
.scan-step .step-duration { font-size: var(--font-xs); color: var(--text-muted); }

.scan-eta {
    font-size: var(--font-sm);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ============================================
   Recommendation Cards
   ============================================ */
.rec-card {
    border-radius: var(--radius-md);
    border-left: 3px solid;
    transition: all var(--transition-base);
    background: var(--bg-card);
    border-top: 1px solid var(--border-light);
    border-right: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}
.rec-card:hover { transform: translateX(3px); box-shadow: var(--shadow-md); }
.rec-card.priority-critical { border-left-color: var(--danger); }
.rec-card.priority-high { border-left-color: var(--warning); }
.rec-card.priority-medium { border-left-color: var(--primary); }
.rec-card.priority-low { border-left-color: var(--success); }

.rec-card.priority-critical.animated-border { animation: borderGlow 2s ease-in-out infinite; }

.priority-badge {
    font-size: var(--font-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
}

/* ============================================
   Dashboard Sidebar
   ============================================ */
.dashboard-sidebar {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    position: sticky;
    top: 80px;
}
.dashboard-sidebar .list-group-item {
    border: none;
    padding: 12px 18px;
    font-weight: 500;
    font-size: var(--font-sm);
    transition: all var(--transition-base);
    color: var(--text-secondary);
    background: transparent;
}
.dashboard-sidebar .list-group-item:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding-left: 22px;
}
.dashboard-sidebar .list-group-item.active {
    background: linear-gradient(135deg, var(--primary), var(--gradient-accent-1));
    color: white;
    border: none;
}

.sidebar-section-title {
    font-size: var(--font-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 12px 20px 4px;
}

/* ============================================
   Charts
   ============================================ */
.chart-container {
    position: relative;
    width: 100%;
}

.gauge-container {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
}

/* ============================================
   Metrics Display
   ============================================ */
.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
}
.metric-row:last-child { border-bottom: none; }
.metric-label { color: var(--text-muted); font-size: var(--font-sm); }
.metric-value { font-weight: 600; }

/* Key Metrics Strip */
.key-metric {
    text-align: center;
    padding: 1rem;
}
.key-metric-value {
    font-size: var(--font-2xl);
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1;
}
.key-metric-label {
    font-size: var(--font-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

/* ============================================
   Status Indicators
   ============================================ */
.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}
.status-dot.green { background: var(--success); box-shadow: 0 0 8px rgba(16,185,129,0.4); }
.status-dot.red { background: var(--danger); box-shadow: 0 0 8px rgba(239,68,68,0.4); }
.status-dot.orange { background: var(--warning); box-shadow: 0 0 8px rgba(249,115,22,0.4); }
.status-dot.gray { background: var(--text-muted); }

/* ============================================
   Loading Spinner
   ============================================ */
.scanner-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container-custom {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.toast-notification, .toast-item {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-size: var(--font-sm);
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    display: flex;
    align-items: center;
    min-width: 300px;
    max-width: 420px;
    animation: toastSlideIn 0.4s var(--smooth-ease);
    border: 1px solid rgba(255,255,255,0.12);
}
.toast-item {
    opacity: 0;
    transform: translateX(24px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.toast-item.show {
    opacity: 1;
    transform: translateX(0);
}
@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}
.toast-info { background: rgba(30,64,175,0.94); color: #fff; }
.toast-success { background: rgba(5,150,105,0.94); color: #fff; }
.toast-warning { background: rgba(234,88,12,0.94); color: #fff; }
.toast-error { background: rgba(220,38,38,0.94); color: #fff; }
.toast-exit { opacity: 0; transform: translateX(40px); transition: all 0.3s ease; }

/* ============================================
   Custom Scrollbar
   ============================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

/* ============================================
   Data Sources Section
   ============================================ */
.data-source-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.8);
    font-size: var(--font-sm);
    font-weight: 500;
    transition: all var(--transition-base);
}
.data-source-badge:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-2px);
    color: #fff;
}

/* ============================================
   Recent Scan Cards
   ============================================ */
.recent-scan-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    transition: all var(--transition-base);
    text-decoration: none;
    color: inherit;
    display: block;
}
.recent-scan-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(var(--primary-rgb), 0.3);
    color: inherit;
}
.recent-scan-card .mini-score {
    font-size: var(--font-2xl);
    font-weight: 800;
    letter-spacing: -1px;
}

/* Recent Scan Badges (Hero Section) */
.recent-scan-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.07);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.85);
    font-size: var(--font-xs);
    font-weight: 500;
    transition: all var(--transition-base);
}
.recent-scan-badge:hover {
    background: rgba(255,255,255,0.14);
    border-color: rgba(255,255,255,0.2);
    color: #fff;
    transform: translateY(-1px);
}

/* ============================================
   Footer
   ============================================ */
.footer-section {
    background: #0b1120;
    border-top: none;
}
.footer-section a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: color var(--transition-fast);
}
.footer-section a:hover { color: rgba(255,255,255,0.9); }

kbd {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-xs);
    padding: 3px 8px;
    font-size: var(--font-xs);
    font-family: 'Inter', monospace;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 991px) {
    .dashboard-sidebar { position: static; margin-bottom: 1.5rem; }
    .nav-search-input { display: none !important; }
}
@media (max-width: 768px) {
    .hero-section { min-height: 400px; }
    .hero-section h1 { font-size: 1.8rem; }
    .score-value { font-size: 2rem; }
    .floating-shape { display: none; }
    .hero-stat-value { font-size: var(--font-2xl); }
    .podium-card { padding: 1rem; }
    .podium-rank { font-size: 1.8rem; }
    .key-metric-value { font-size: var(--font-lg); }
    .recent-scan-badge { font-size: var(--font-xs); padding: 4px 10px; }
    .hero-stat { padding: 0.4rem 0.8rem; }
    .delta-badge { font-size: 0.65rem; padding: 1px 6px; }
}
@media (max-width: 576px) {
    .grade-badge { width: 52px; height: 52px; font-size: 1.2rem; }
    .hero-section { min-height: 360px; padding: 2rem 0; }
    .hero-section h1 { font-size: 1.5rem; letter-spacing: -0.5px; }
    .hero-stat-value { font-size: var(--font-lg); }
    .hero-stat-label { font-size: 0.6rem; letter-spacing: 0.8px; }
    .glass-card { border-radius: var(--radius-md); }
    .feature-icon { width: 56px; height: 56px; }
    .step-number { width: 44px; height: 44px; font-size: 1.2rem; }
    .fab-scan { width: 48px; height: 48px; font-size: 1.2rem; bottom: 20px; right: 20px; }
    .toast-notification { min-width: 240px; font-size: var(--font-xs); }
    .rankings-table { font-size: var(--font-xs); }
    .rankings-table .sparkline-cell { width: 50px; height: 20px; }
}
@media (max-width: 480px) {
    .hero-section h1 { font-size: 1.3rem; }
    .score-value { font-size: 1.6rem; }
    .podium-card { padding: 0.75rem; }
    .podium-rank { font-size: 1.5rem; }
    .btn-accent, .btn-glass { font-size: var(--font-sm); padding: 8px 16px; }
}

/* ============================================
   Ultra-Advanced: Dark Mode Grade Badges
   ============================================ */
[data-bs-theme="dark"] .grade-a-plus { background: linear-gradient(135deg, #064e3b, #065f46); color: #6ee7b7; box-shadow: 0 4px 12px rgba(16,185,129,0.2); }
[data-bs-theme="dark"] .grade-a { background: linear-gradient(135deg, #064e3b, #047857); color: #86efac; box-shadow: 0 4px 12px rgba(16,185,129,0.15); }
[data-bs-theme="dark"] .grade-b-plus { background: linear-gradient(135deg, #1e3a8a, #1d4ed8); color: #93c5fd; box-shadow: 0 4px 12px rgba(59,130,246,0.2); }
[data-bs-theme="dark"] .grade-b { background: linear-gradient(135deg, #312e81, #4338ca); color: #a5b4fc; box-shadow: 0 4px 12px rgba(99,102,241,0.15); }
[data-bs-theme="dark"] .grade-c-plus { background: linear-gradient(135deg, #78350f, #92400e); color: #fde68a; box-shadow: 0 4px 12px rgba(245,158,11,0.15); }
[data-bs-theme="dark"] .grade-c { background: linear-gradient(135deg, #713f12, #854d0e); color: #fef08a; box-shadow: 0 4px 12px rgba(234,179,8,0.15); }
[data-bs-theme="dark"] .grade-d { background: linear-gradient(135deg, #7c2d12, #9a3412); color: #fdba74; box-shadow: 0 4px 12px rgba(249,115,22,0.15); }
[data-bs-theme="dark"] .grade-e { background: linear-gradient(135deg, #7f1d1d, #991b1b); color: #fca5a5; box-shadow: 0 4px 12px rgba(239,68,68,0.15); }
[data-bs-theme="dark"] .grade-f { background: linear-gradient(135deg, #7f1d1d, #b91c1c); color: #fecaca; box-shadow: 0 4px 12px rgba(239,68,68,0.1); }

/* ============================================
   Ultra-Advanced: Enhanced Glass Variants
   ============================================ */
.glass-card-primary { border-left: 3px solid var(--primary); }
.glass-card-success { border-left: 3px solid var(--success); }
.glass-card-warning { border-left: 3px solid var(--warning); }
.glass-card-danger { border-left: 3px solid var(--danger); }
.glass-card-accent { border-left: 3px solid var(--gradient-accent-1); }

/* ============================================
   Ultra-Advanced: Responsive Tables
   ============================================ */
.table-responsive-ultra {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}
.table-responsive-ultra::-webkit-scrollbar { height: 4px; }
.table-responsive-ultra::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 2px; }

/* ============================================
   Ultra-Advanced: Score Ring Responsive
   ============================================ */
@media (max-width: 576px) {
    .score-ring { width: 110px; height: 110px; }
    .score-ring-value { font-size: 1.5rem; }
}
@media (max-width: 480px) {
    .score-ring { width: 90px; height: 90px; }
    .score-ring-value { font-size: 1.2rem; }
}

/* ============================================
   Ultra-Advanced: Animated Score Numbers
   ============================================ */
.score-animated {
    display: inline-block;
    transition: color 0.5s ease;
}
@keyframes scoreCountUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.score-animated.counting {
    animation: scoreCountUp 0.4s var(--smooth-ease) both;
}

/* ============================================
   Ultra-Advanced: Gradient Borders
   ============================================ */
.gradient-border-bottom {
    position: relative;
}
.gradient-border-bottom::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--gradient-accent-2), var(--success));
    border-radius: 1px;
}

/* ============================================
   Ultra-Advanced: Stat Card Shimmer
   ============================================ */
.stat-card-shimmer {
    position: relative;
    overflow: hidden;
}
.stat-card-shimmer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
    transition: left 0.8s ease;
    pointer-events: none;
    z-index: 1;
}
.stat-card-shimmer:hover::before {
    left: 100%;
}

/* ============================================
   Ultra-Advanced: Focus-Visible Outline
   ============================================ */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}
.btn:focus-visible, .form-control:focus-visible, .nav-link:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ============================================
   Ultra-Advanced: Print Enhancements
   ============================================ */
@media print {
    .glass-card { background: #fff !important; border: 1px solid #e2e8f0 !important; box-shadow: none !important; backdrop-filter: none !important; -webkit-backdrop-filter: none !important; }
    .hover-lift:hover, .glass-card:hover { transform: none !important; box-shadow: none !important; }
    body::after { display: none !important; }
    .scroll-progress, .page-loader, .fab-scan, .toast-container-custom { display: none !important; }
    .scroll-reveal, .scroll-reveal-left, .scroll-reveal-right, .scroll-reveal-scale { opacity: 1 !important; transform: none !important; }
    .no-print { display: none !important; }
    a[href]::after { content: none !important; }
}

/* ============================================
   Chart Export Button
   ============================================ */
.chart-export-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.2s ease;
    padding: 2px 6px;
    font-size: 0.75rem;
    border-radius: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1.4;
}
.chart-export-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
*:hover > .chart-export-btn { opacity: 1; }

/* ============================================
   Skeleton Loading Placeholders
   ============================================ */
.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-card-hover) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: 6px;
}
.skeleton-text { height: 14px; margin-bottom: 8px; border-radius: 4px; }
.skeleton-text:last-child { width: 60%; }
.skeleton-chart { height: 200px; border-radius: 8px; }
.skeleton-card { height: 120px; border-radius: 10px; }
@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   Breadcrumbs
   ============================================ */
.breadcrumb-nav {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--border-light);
    padding: 0.5rem 0;
    font-size: 0.85rem;
}
.breadcrumb-nav .breadcrumb { margin-bottom: 0; }
.breadcrumb-nav .breadcrumb-item a { color: var(--text-secondary); text-decoration: none; }
.breadcrumb-nav .breadcrumb-item a:hover { color: var(--primary); }
.breadcrumb-nav .breadcrumb-item.active { color: var(--text-muted); }

/* ============================================
   Error Pages
   ============================================ */
.error-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.error-code { font-size: 8rem; font-weight: 800; line-height: 1; color: var(--primary); opacity: 0.15; }
.error-message { font-size: 1.5rem; font-weight: 600; color: var(--text-primary); }

/* ============================================
   Rankings Page
   ============================================ */
.podium-card {
    border-radius: 12px;
    text-align: center;
    padding: 1.5rem;
    transition: transform 0.2s;
}
.podium-card:hover { transform: translateY(-4px); }
.podium-gold { border: 2px solid #f59e0b; background: linear-gradient(135deg, #fffbeb, #fef3c7); }
.podium-silver { border: 2px solid #94a3b8; background: linear-gradient(135deg, #f8fafc, #e2e8f0); }
.podium-bronze { border: 2px solid #d97706; background: linear-gradient(135deg, #fffbeb, #fef9c3); }
[data-bs-theme="dark"] .podium-gold { background: linear-gradient(135deg, #451a03, #78350f); }
[data-bs-theme="dark"] .podium-silver { background: linear-gradient(135deg, #1e293b, #334155); }
[data-bs-theme="dark"] .podium-bronze { background: linear-gradient(135deg, #451a03, #713f12); }
.podium-rank { font-size: 2.5rem; font-weight: 800; }
.podium-gold .podium-rank { color: #f59e0b; }
.podium-silver .podium-rank { color: #94a3b8; }
.podium-bronze .podium-rank { color: #d97706; }

.rankings-table th { cursor: pointer; user-select: none; white-space: nowrap; }
.rankings-table th:hover { color: var(--primary); }
.rankings-table .sparkline-cell { width: 80px; height: 30px; }

/* ============================================
   Badge & Certificate
   ============================================ */
.badge-preview-container {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
}
.embed-code-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
    word-break: break-all;
}
.certificate-page {
    background: white;
    max-width: 900px;
    margin: 2rem auto;
    padding: 3rem;
    border: 3px double var(--primary);
    border-radius: 8px;
    color: #1e293b;
}
@media print {
    .certificate-page { border: 3px double #2563eb; box-shadow: none; }
    .no-print { display: none !important; }
}

/* ============================================
   API Docs
   ============================================ */
.api-endpoint { background: var(--bg-secondary); border-radius: 8px; padding: 1rem; margin-bottom: 1rem; border-left: 4px solid var(--primary); }
.api-method { display: inline-block; padding: 2px 8px; border-radius: 4px; font-weight: 700; font-size: 0.75rem; text-transform: uppercase; }
.api-method-get { background: #dcfce7; color: #166534; }
[data-bs-theme="dark"] .api-method-get { background: #14532d; color: #86efac; }
.api-try-btn { font-size: 0.8rem; }
.api-response-box { background: var(--bg-primary); border-radius: 6px; padding: 0.75rem; font-size: 0.8rem; max-height: 300px; overflow-y: auto; }
.api-snippet-box { background: #1e293b; color: #e2e8f0; border-radius: 0 0 6px 6px; padding: 0.75rem; font-size: 0.78rem; max-height: 200px; overflow-y: auto; white-space: pre-wrap; word-break: break-all; }
.api-schema-box { background: #f8fafc; border: 1px solid var(--border-color); border-radius: 6px; padding: 0.75rem; font-size: 0.78rem; max-height: 250px; overflow-y: auto; }
[data-bs-theme="dark"] .api-snippet-box { background: #0f172a; color: #94a3b8; }
[data-bs-theme="dark"] .api-schema-box { background: #1e293b; border-color: #334155; color: #cbd5e1; }
.api-endpoint details summary:hover { opacity: 0.8; }
.api-endpoint .nav-tabs-sm .nav-link { font-size: 0.75rem; padding: 0.25rem 0.5rem; }

/* ============================================
   Batch Scanning
   ============================================ */
.batch-domain-list { min-height: 120px; max-height: 300px; font-family: monospace; font-size: 0.85rem; }
.batch-progress-row { transition: background 0.3s; }
.batch-progress-row.running { background: rgba(30, 64, 175, 0.05); }
.batch-progress-row.completed td:first-child { border-left: 3px solid var(--success); }
.batch-progress-row.failed td:first-child { border-left: 3px solid var(--danger); }

/* ============================================
   Schedules
   ============================================ */
.schedule-frequency-badge { font-size: 0.75rem; padding: 3px 8px; border-radius: 20px; }
.schedule-active { background: #dcfce7; color: #166534; }
.schedule-paused { background: #fef3c7; color: #92400e; }
[data-bs-theme="dark"] .schedule-active { background: #14532d; color: #86efac; }
[data-bs-theme="dark"] .schedule-paused { background: #713f12; color: #fde68a; }

/* ============================================
   Keyboard Help Modal
   ============================================ */
.shortcut-key { display: inline-block; padding: 2px 8px; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 4px; font-family: monospace; font-size: 0.8rem; min-width: 28px; text-align: center; }

/* ============================================
   Relative Timestamps
   ============================================ */
[data-timeago] { cursor: help; border-bottom: 1px dotted var(--text-muted); }

/* ============================================
   Film Grain Noise Overlay
   ============================================ */
body::after {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: 99997;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    background-repeat: repeat;
}
@media (prefers-reduced-motion: reduce) {
    body::after { display: none; }
}

/* ============================================
   Character Split Reveal
   ============================================ */
[data-split-reveal] {
    overflow: hidden;
}
.split-reveal-char {
    display: inline-block;
    opacity: 0;
    transform: rotateX(-90deg) translateY(20px);
    transition:
        opacity 0.5s var(--smooth-ease),
        transform 0.5s var(--smooth-ease);
    transition-delay: calc(var(--char-index, 0) * 30ms);
}
.split-reveal-char.space-char {
    width: 0.3em;
}
[data-split-reveal].revealed .split-reveal-char {
    opacity: 1;
    transform: rotateX(0) translateY(0);
}
@media (prefers-reduced-motion: reduce) {
    .split-reveal-char {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* ============================================
   3D Tilt Cards
   ============================================ */
.tilt-card {
    transform-style: preserve-3d;
    will-change: transform;
    transition: transform 0.4s var(--spring-ease);
}
.tilt-card-parent {
    perspective: 800px;
}
.tilt-shine {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: inherit;
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
    background: radial-gradient(
        circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(255,255,255,0.15) 0%,
        transparent 60%
    );
}
.tilt-card:hover .tilt-shine {
    opacity: 1;
}
[data-bs-theme="dark"] .tilt-shine {
    background: radial-gradient(
        circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(255,255,255,0.08) 0%,
        transparent 60%
    );
}
@media (prefers-reduced-motion: reduce) {
    .tilt-card { will-change: auto; transform: none !important; }
    .tilt-shine { display: none; }
}

/* ============================================
   Cursor Glow Sections
   ============================================ */
.cursor-glow-section {
    position: relative;
}
.cursor-glow-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: var(--radius-lg);
    background: radial-gradient(
        400px circle at var(--glow-x, 50%) var(--glow-y, 50%),
        rgba(30, 64, 175, 0.06) 0%,
        transparent 70%
    );
}
.cursor-glow-section:hover::before {
    opacity: 1;
}
[data-bs-theme="dark"] .cursor-glow-section::before {
    background: radial-gradient(
        400px circle at var(--glow-x, 50%) var(--glow-y, 50%),
        rgba(99, 102, 241, 0.1) 0%,
        transparent 70%
    );
}
@media (prefers-reduced-motion: reduce) {
    .cursor-glow-section::before { display: none; }
}

/* ============================================
   Animated Hamburger
   ============================================ */
.hamburger-toggler {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 24px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}
.hamburger-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.35s var(--spring-ease);
    transform-origin: center;
}
.hamburger-toggler[aria-expanded="true"] .hamburger-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger-toggler[aria-expanded="true"] .hamburger-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.hamburger-toggler[aria-expanded="true"] .hamburger-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   Circular Dark Mode Transition
   ============================================ */
::view-transition-old(root),
::view-transition-new(root) {
    animation: none;
    mix-blend-mode: normal;
}
::view-transition-old(root) {
    z-index: 1;
}
::view-transition-new(root) {
    z-index: 9999;
}

/* ============================================
   Floating Action Button
   ============================================ */
.fab-scan {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg), 0 0 16px rgba(var(--primary-rgb), 0.3);
    z-index: 1040;
    transform: scale(0);
    transition: transform 0.4s var(--spring-ease), box-shadow 0.3s ease, border-radius 0.3s ease;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid rgba(255,255,255,0.15);
}
.fab-scan.visible {
    transform: scale(1);
}
.fab-scan:hover {
    box-shadow: var(--shadow-xl), 0 0 24px rgba(var(--primary-rgb), 0.4);
    color: #fff;
    transform: scale(1.06);
    border-radius: var(--radius-lg);
}
.fab-scan::before {
    content: attr(data-tooltip);
    position: absolute;
    right: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: var(--font-xs);
    font-weight: 600;
    white-space: nowrap;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    transform: translateY(-50%) translateX(4px);
}
.fab-scan:hover::before {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}
@media print {
    .fab-scan { display: none !important; }
}

/* ============================================
   Enhanced Footer
   ============================================ */
.footer-gradient-border {
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--gradient-accent-1) 20%,
        var(--gradient-accent-2) 40%,
        var(--primary) 60%,
        var(--success) 80%,
        transparent 100%
    );
    opacity: 0.5;
}

/* Footer Modern Elements */
.footer-logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary), var(--gradient-accent-1));
    color: #fff;
    font-size: 1rem;
}
.footer-heading {
    font-size: var(--font-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.5);
    font-weight: 600;
}
.footer-tech-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius-xs);
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.6);
    font-size: 0.7rem;
    font-weight: 500;
}
.footer-links li {
    padding: 4px 0;
    color: rgba(255,255,255,0.55);
    font-size: var(--font-sm);
    transition: color var(--transition-fast);
}
.footer-links li:hover {
    color: rgba(255,255,255,0.85);
}
.footer-shortcuts {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.footer-shortcut-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.55);
    font-size: var(--font-sm);
}
.footer-shortcut-item span:last-child {
    margin-left: auto;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 1.25rem 0 1rem;
}

.footer-reveal-item {
    opacity: 0;
    transform: translateY(16px);
    transition:
        opacity 0.5s var(--smooth-ease),
        transform 0.5s var(--smooth-ease);
    transition-delay: calc(var(--footer-index, 0) * 80ms);
}
.footer-reveal-item.revealed {
    opacity: 1;
    transform: translateY(0);
}

.version-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.65rem;
    color: rgba(255,255,255,0.5);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    font-weight: 500;
    letter-spacing: 0.03em;
}
.version-badge::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #059669;
    box-shadow: 0 0 6px rgba(5,150,105,0.5);
    animation: versionPulse 3s ease-in-out infinite;
}
@keyframes versionPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@media (prefers-reduced-motion: reduce) {
    .footer-gradient-border { animation: none; }
    .footer-reveal-item { opacity: 1; transform: none; transition: none; }
    .version-badge::before { animation: none; }
}

/* ============================================
   Scan Step Burst Animation
   ============================================ */
@keyframes stepCompleteBurst {
    0% { transform: scale(1); background-color: inherit; }
    30% { transform: scale(1.03); background-color: rgba(16, 185, 129, 0.08); }
    100% { transform: scale(1); background-color: inherit; }
}
.step-complete-burst {
    animation: stepCompleteBurst 0.6s var(--spring-ease);
}
@media (prefers-reduced-motion: reduce) {
    .step-complete-burst { animation: none; }
}

/* ============================================
   Loading Skeleton System
   ============================================ */
.skeleton-card {
    padding: 1.25rem;
    border-radius: var(--radius-lg);
}
.skeleton-line {
    height: 14px;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary, rgba(0,0,0,0.04)) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    margin-bottom: 0.75rem;
}
.skeleton-title {
    width: 60%;
    height: 18px;
    margin-bottom: 1rem;
}
.skeleton-text {
    width: 100%;
}
.skeleton-text.short {
    width: 40%;
}
.skeleton-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary, rgba(0,0,0,0.04)) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
}
.skeleton-pulse {
    animation: skeletonShimmer 1.8s ease-in-out infinite;
}
.skeleton-line,
.skeleton-circle {
    animation: skeletonShimmer 1.8s ease-in-out infinite;
}
@keyframes skeletonShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
[data-bs-theme="dark"] .skeleton-line,
[data-bs-theme="dark"] .skeleton-circle {
    background: linear-gradient(90deg, rgba(255,255,255,0.06) 25%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.06) 75%);
    background-size: 200% 100%;
    animation: skeletonShimmer 1.8s ease-in-out infinite;
}

/* ============================================
   Page Transitions
   ============================================ */
.page-enter {
    opacity: 0;
    transform: translateY(8px);
}
.page-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.35s ease, transform 0.35s ease;
}
.page-exit {
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}
@media (prefers-reduced-motion: reduce) {
    .page-enter, .page-enter-active, .page-exit {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* ============================================
   Copy to Clipboard Button
   ============================================ */
[data-copy],
[data-copy-target] {
    cursor: pointer;
    transition: transform 0.2s ease;
}
[data-copy]:hover {
    transform: scale(1.1);
}
.copy-success {
    animation: copyPop 0.3s ease;
}
@keyframes copyPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

/* ============================================
   Badge Pulse Animation
   ============================================ */
.badge-pulse-active {
    position: relative;
}
.badge-pulse-active::after {
    content: '';
    position: absolute;
    top: -2px;
    right: -2px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--danger, #ef4444);
    animation: badgePing 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}
@keyframes badgePing {
    0% { transform: scale(1); opacity: 1; }
    75%, 100% { transform: scale(2.5); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
    .badge-pulse-active::after { animation: none; }
}

/* ============================================
   Clickable Table Rows
   ============================================ */
tr[data-href] {
    transition: background-color 0.2s ease, transform 0.15s ease;
}
tr[data-href]:hover {
    background-color: rgba(30, 64, 175, 0.06) !important;
}
[data-bs-theme="dark"] tr[data-href]:hover {
    background-color: rgba(99, 102, 241, 0.12) !important;
}
td[data-score] {
    border-left: 3px solid var(--row-score-color, transparent);
}

/* ============================================
   Number Ticker Spring Animation
   ============================================ */
.number-ticker {
    display: inline-block;
    font-variant-numeric: tabular-nums;
    transition: color 0.3s ease;
}
.number-ticker.counting {
    color: var(--primary);
}

/* ============================================
   SVG Chart Widgets (responsive, accessible)
   ============================================ */
:root {
    --chart-1: #2563eb;
    --chart-2: #16a34a;
    --chart-3: #ea580c;
    --chart-4: #dc2626;
    --chart-5: #7c3aed;
    --chart-6: #0891b2;
    --chart-7: #ca8a04;
    --chart-8: #be185d;
    --chart-muted: #e2e8f0;
    --chart-text: #475569;
}
@media (prefers-color-scheme: dark) {
    :root {
        --chart-muted: #334155;
        --chart-text: #cbd5e1;
    }
}

/* Grid: single column on mobile, two columns from 768px. */
.charts-grid,
.svg-chart-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(12px, 2vw, 20px);
}
@media (min-width: 768px) {
    .charts-grid,
    .svg-chart-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Card shell */
.chart-card,
.svg-chart-card {
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-light, rgba(15, 23, 42, 0.06));
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    padding: clamp(12px, 2vw, 20px);
    display: flex;
    flex-direction: column;
    gap: 12px;
    animation: chartFadeIn 0.4s ease-out both;
}
.chart-card.full-span,
.svg-chart-card.full-span { grid-column: 1 / -1; }

.chart-card h6,
.svg-chart-card h6 {
    font-weight: 700;
    color: var(--text-primary, #0f172a);
    margin: 0;
    display: flex;
    align-items: center;
}
.chart-card .chart-sub,
.svg-chart-card .chart-sub {
    font-size: clamp(11px, 1.1vw, 13px);
    color: var(--chart-text);
    margin: 0;
}

/* Aspect-ratio wrapper keeps SVG square-ish and bounded. */
.chart-svg-wrap {
    width: 100%;
    aspect-ratio: 16 / 10;
    max-height: 360px;
    overflow: hidden;
    display: block;
}

/* Responsive SVG fills its wrapper. No width/height attrs on <svg>. */
svg.chart-svg,
.chart-svg {
    width: 100%;
    height: 100%;
    display: block;
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    color: var(--chart-text);
}
.chart-svg .chart-tnum { font-variant-numeric: tabular-nums; }

/* Hover interactivity for bars, dots, donut segments. */
.chart-svg .chart-bar,
.chart-svg .chart-segment,
.chart-svg .chart-dot {
    transition: opacity 0.15s ease, transform 0.15s ease;
    transform-origin: center;
    transform-box: fill-box;
}
.chart-svg .chart-bar:hover,
.chart-svg .chart-segment:hover,
.chart-svg .chart-dot:hover {
    opacity: 0.85;
    transform: scale(1.02);
}

/* Legend (rendered in HTML next to / below the SVG). */
.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    font-size: clamp(11px, 1.1vw, 13px);
    color: var(--chart-text);
    margin: 0;
    padding: 0;
    list-style: none;
}
.chart-legend li {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}
.chart-legend .swatch {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    flex: 0 0 10px;
    display: inline-block;
}
.chart-legend .label {
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

@keyframes chartFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
    .chart-card,
    .svg-chart-card { animation: none; }
    .chart-svg .chart-bar,
    .chart-svg .chart-segment,
    .chart-svg .chart-dot { transition: none; }
}