/* ═══════════════════════════════════════════════════════════════
   GEOTOPIA CLIMATE & ENVIRONMENT - MASTER STYLESHEET
   Theme: Atmospheric/Cloudy with Dynamic Weather Aesthetics
   ═══════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────────
   ROOT VARIABLES & THEME SYSTEM
   ───────────────────────────────────────────────────────────────── */
:root {
    /* Base Colors */
    --sky-dark: #0a1628;
    --sky-medium: #1a2a4a;
    --sky-light: #2d4a6e;
    --cloud-white: #f0f4f8;
    --cloud-gray: #b8c5d4;
    --storm-dark: #1a1a2e;
    
    /* Climate Type Colors */
    --tropical-primary: #ff6b35;
    --tropical-secondary: #f7931e;
    --tropical-gradient: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    
    --dry-primary: #ffd93d;
    --dry-secondary: #ff8c00;
    --dry-gradient: linear-gradient(135deg, #ffd93d 0%, #ff8c00 100%);
    
    --temperate-primary: #6bcb77;
    --temperate-secondary: #4a9c5d;
    --temperate-gradient: linear-gradient(135deg, #6bcb77 0%, #4a9c5d 100%);
    
    --continental-primary: #4d96ff;
    --continental-secondary: #3b5998;
    --continental-gradient: linear-gradient(135deg, #4d96ff 0%, #3b5998 100%);
    
    --polar-primary: #a8e6cf;
    --polar-secondary: #88d8b0;
    --polar-gradient: linear-gradient(135deg, #a8e6cf 0%, #88d8b0 100%);
    
    /* Semantic Colors */
    --danger: #ff4757;
    --warning: #ffa502;
    --success: #2ed573;
    --info: #1e90ff;
    
    /* Temperature Scale */
    --temp-freezing: #00d4ff;
    --temp-cold: #4d96ff;
    --temp-cool: #6bcb77;
    --temp-mild: #f7dc6f;
    --temp-warm: #f39c12;
    --temp-hot: #e74c3c;
    --temp-extreme: #8e44ad;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(77, 150, 255, 0.3);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Z-Index Scale */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-tooltip: 400;
    --z-overlay: 500;
}

/* ─────────────────────────────────────────────────────────────────
   PAGE-SPECIFIC THEMES
   ───────────────────────────────────────────────────────────────── */

/* Köppen System Theme - Deep Blue Atmospheric */
[data-theme="koppen"] {
    --page-bg: linear-gradient(180deg, #0a1628 0%, #1a2a4a 50%, #2d4a6e 100%);
    --accent-primary: #4d96ff;
    --accent-secondary: #00d4ff;
    --card-bg: rgba(26, 42, 74, 0.8);
}

/* Climate Controls Theme - Dynamic Wind Pattern */
[data-theme="controls"] {
    --page-bg: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --accent-primary: #00d4ff;
    --accent-secondary: #4d96ff;
    --card-bg: rgba(15, 52, 96, 0.7);
}

/* Storms Theme - Dark Stormy */
[data-theme="storms"] {
    --page-bg: linear-gradient(180deg, #0d1117 0%, #1a1a2e 50%, #2d2d44 100%);
    --accent-primary: #ff6b6b;
    --accent-secondary: #ffd93d;
    --card-bg: rgba(45, 45, 68, 0.8);
}

/* Precipitation Theme - Rainy Blue-Gray */
[data-theme="precipitation"] {
    --page-bg: linear-gradient(180deg, #2c3e50 0%, #3498db 50%, #1a5276 100%);
    --accent-primary: #3498db;
    --accent-secondary: #85c1e9;
    --card-bg: rgba(26, 82, 118, 0.8);
}

/* Temperature Theme - Thermal Gradient */
[data-theme="temperature"] {
    --page-bg: linear-gradient(180deg, #1a1a2e 0%, #4a1a2e 50%, #2e1a4a 100%);
    --accent-primary: #e74c3c;
    --accent-secondary: #f39c12;
    --card-bg: rgba(74, 26, 46, 0.7);
}

/* Biomes Terrestrial Theme - Forest Green */
[data-theme="biomes-land"] {
    --page-bg: linear-gradient(180deg, #1a2e1a 0%, #2d4a2d 50%, #1e3d1e 100%);
    --accent-primary: #6bcb77;
    --accent-secondary: #4a9c5d;
    --card-bg: rgba(30, 61, 30, 0.8);
}

/* Biomes Aquatic Theme - Ocean Blue */
[data-theme="biomes-water"] {
    --page-bg: linear-gradient(180deg, #0a2a3d 0%, #1a4a6d 50%, #0d3d5c 100%);
    --accent-primary: #00b4d8;
    --accent-secondary: #0077b6;
    --card-bg: rgba(13, 61, 92, 0.8);
}

/* Climate Change Dashboard Theme - Alert Red/Orange */
[data-theme="climate-change"] {
    --page-bg: linear-gradient(180deg, #1a0a0a 0%, #2e1a1a 50%, #3d1a0a 100%);
    --accent-primary: #ff6b35;
    --accent-secondary: #ffd93d;
    --card-bg: rgba(46, 26, 26, 0.8);
}

/* Solutions Theme - Hopeful Green */
[data-theme="solutions"] {
    --page-bg: linear-gradient(180deg, #0a1a14 0%, #1a3d2e 50%, #0d2e1f 100%);
    --accent-primary: #2ed573;
    --accent-secondary: #7bed9f;
    --card-bg: rgba(13, 46, 31, 0.8);
}

/* Atmosphere/Ocean Theme - Deep Sea Blue */
[data-theme="atmosphere"] {
    --page-bg: linear-gradient(180deg, #020c1b 0%, #0a192f 50%, #112240 100%);
    --accent-primary: #64ffda;
    --accent-secondary: #8892b0;
    --card-bg: rgba(10, 25, 47, 0.9);
}

/* Paleoclimate Theme - Ancient Earth Tones */
[data-theme="paleo"] {
    --page-bg: linear-gradient(180deg, #1a1510 0%, #2e2418 50%, #3d3020 100%);
    --accent-primary: #d4a373;
    --accent-secondary: #a98467;
    --card-bg: rgba(46, 36, 24, 0.8);
}

/* Tools Theme - Tech Blue */
[data-theme="tools"] {
    --page-bg: linear-gradient(180deg, #0f0f1a 0%, #1a1a3e 50%, #0a0a2e 100%);
    --accent-primary: #7c3aed;
    --accent-secondary: #a78bfa;
    --card-bg: rgba(26, 26, 62, 0.8);
}

/* Educational Theme - Clean Academic */
[data-theme="educational"] {
    --page-bg: linear-gradient(180deg, #1a1a28 0%, #252538 50%, #1e1e30 100%);
    --accent-primary: #f0f4f8;
    --accent-secondary: #b8c5d4;
    --card-bg: rgba(37, 37, 56, 0.9);
}

/* ─────────────────────────────────────────────────────────────────
   RESET & BASE STYLES
   ───────────────────────────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background: var(--page-bg, var(--sky-dark));
    color: var(--cloud-white);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--sky-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--sky-light);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary, var(--continental-primary));
}

/* Selection */
::selection {
    background: var(--accent-primary, var(--continental-primary));
    color: var(--sky-dark);
}

/* ─────────────────────────────────────────────────────────────────
   TYPOGRAPHY
   ───────────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    background: linear-gradient(135deg, var(--cloud-white) 0%, var(--accent-primary, var(--continental-primary)) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--cloud-white);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--accent-primary, var(--continental-primary));
}

h4 {
    font-size: 1.25rem;
    color: var(--cloud-gray);
}

p {
    margin-bottom: var(--space-md);
    color: var(--cloud-gray);
}

a {
    color: var(--accent-primary, var(--continental-primary));
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-secondary, var(--cloud-white));
}

/* ─────────────────────────────────────────────────────────────────
   ANIMATED BACKGROUND EFFECTS
   ───────────────────────────────────────────────────────────────── */
.atmosphere-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.cloud-layer {
    position: absolute;
    width: 200%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120'%3E%3Cpath fill='rgba(255,255,255,0.03)' d='M0,60 C150,90 350,0 600,60 C850,120 1050,30 1200,60 L1200,120 L0,120 Z'/%3E%3C/svg%3E");
    background-repeat: repeat-x;
    background-size: 1200px 120px;
    animation: drift 60s linear infinite;
}

.cloud-layer:nth-child(2) {
    opacity: 0.5;
    animation-duration: 90s;
    animation-direction: reverse;
    top: 20%;
}

.cloud-layer:nth-child(3) {
    opacity: 0.3;
    animation-duration: 120s;
    top: 40%;
}

@keyframes drift {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* Particle Effects */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-primary, var(--cloud-white));
    border-radius: 50%;
    opacity: 0.3;
    animation: float 20s infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) translateX(100px);
        opacity: 0;
    }
}

/* ─────────────────────────────────────────────────────────────────
   LAYOUT COMPONENTS
   ───────────────────────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-full {
    width: 100%;
    padding: 0 var(--space-lg);
}

/* Grid Systems */
.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

.grid-auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-auto-fill {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4, .grid-6 {
        grid-template-columns: 1fr;
    }
}

/* Flexbox Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ─────────────────────────────────────────────────────────────────
   NAVIGATION
   ───────────────────────────────────────────────────────────────── */
.nav-main {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-md) 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cloud-white);
}

.nav-logo-icon {
    width: 40px;
    height: 40px;
    background: var(--continental-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.nav-link {
    color: var(--cloud-gray);
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--cloud-white);
    background: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    color: var(--accent-primary, var(--continental-primary));
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--cloud-white);
    transition: all var(--transition-fast);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background: rgba(10, 22, 40, 0.98);
        padding: var(--space-xl);
        gap: var(--space-md);
        transform: translateX(100%);
        transition: transform var(--transition-normal);
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
}

/* ─────────────────────────────────────────────────────────────────
   HERO SECTIONS
   ───────────────────────────────────────────────────────────────── */
.hero {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(80px + var(--space-3xl)) var(--space-lg) var(--space-3xl);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--accent-primary, var(--continental-primary));
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-title {
    margin-bottom: var(--space-lg);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--cloud-gray);
    max-width: 600px;
    margin-bottom: var(--space-xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary, var(--continental-primary));
}

.hero-stat-label {
    font-size: 0.875rem;
    color: var(--cloud-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Hero Visual */
.hero-visual {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    z-index: 1;
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    mask-image: linear-gradient(to right, transparent, black 50%);
    -webkit-mask-image: linear-gradient(to right, transparent, black 50%);
}

@media (max-width: 768px) {
    .hero {
        min-height: 50vh;
    }
    
    .hero-visual {
        width: 100%;
        opacity: 0.2;
        mask-image: linear-gradient(to bottom, transparent, black 50%);
        -webkit-mask-image: linear-gradient(to bottom, transparent, black 50%);
    }
}

/* ─────────────────────────────────────────────────────────────────
   CARDS
   ───────────────────────────────────────────────────────────────── */
.card {
    background: var(--card-bg, rgba(26, 42, 74, 0.8));
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary, var(--continental-primary));
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: var(--space-lg);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-primary, var(--continental-gradient));
    border-radius: var(--radius-md);
    font-size: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0;
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--cloud-gray);
}

.card-body {
    color: var(--cloud-gray);
    font-size: 0.9375rem;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
}

/* Card Variants */
.card-climate {
    position: relative;
}

.card-climate::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--climate-color, var(--accent-primary));
}

.card-climate.tropical { --climate-color: var(--tropical-primary); }
.card-climate.dry { --climate-color: var(--dry-primary); }
.card-climate.temperate { --climate-color: var(--temperate-primary); }
.card-climate.continental { --climate-color: var(--continental-primary); }
.card-climate.polar { --climate-color: var(--polar-primary); }

/* Metric Cards */
.metric-card {
    padding: var(--space-lg);
    text-align: center;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary, var(--continental-primary));
    margin-bottom: var(--space-sm);
}

.metric-change {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.metric-change.up {
    background: rgba(231, 76, 60, 0.2);
    color: var(--danger);
}

.metric-change.down {
    background: rgba(46, 213, 115, 0.2);
    color: var(--success);
}

.metric-label {
    font-size: 0.875rem;
    color: var(--cloud-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: var(--space-sm);
}

/* ─────────────────────────────────────────────────────────────────
   DATA TABLES
   ───────────────────────────────────────────────────────────────── */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--card-bg, rgba(26, 42, 74, 0.8));
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.data-table th,
.data-table td {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.data-table th {
    background: rgba(0, 0, 0, 0.3);
    font-weight: 600;
    color: var(--cloud-white);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.data-table th.sortable:hover {
    background: rgba(0, 0, 0, 0.4);
}

.data-table th.sortable::after {
    content: '↕';
    margin-left: var(--space-sm);
    opacity: 0.5;
}

.data-table th.sorted-asc::after {
    content: '↑';
    opacity: 1;
}

.data-table th.sorted-desc::after {
    content: '↓';
    opacity: 1;
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.data-table tbody tr.expandable {
    cursor: pointer;
}

.data-table td {
    color: var(--cloud-gray);
}

/* Table Cell Types */
.cell-climate-code {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent-primary, var(--continental-primary));
    background: rgba(77, 150, 255, 0.1);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    display: inline-block;
}

.cell-temp {
    font-family: var(--font-mono);
    font-weight: 600;
}

.cell-temp.hot { color: var(--temp-hot); }
.cell-temp.warm { color: var(--temp-warm); }
.cell-temp.mild { color: var(--temp-mild); }
.cell-temp.cool { color: var(--temp-cool); }
.cell-temp.cold { color: var(--temp-cold); }
.cell-temp.freezing { color: var(--temp-freezing); }

.cell-icon {
    font-size: 1.5rem;
    text-align: center;
}

.cell-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.cell-badge.danger { background: rgba(255, 71, 87, 0.2); color: var(--danger); }
.cell-badge.warning { background: rgba(255, 165, 2, 0.2); color: var(--warning); }
.cell-badge.success { background: rgba(46, 213, 115, 0.2); color: var(--success); }
.cell-badge.info { background: rgba(30, 144, 255, 0.2); color: var(--info); }

/* Expandable Row */
.expanded-row {
    display: none;
    background: rgba(0, 0, 0, 0.3);
}

.expanded-row.active {
    display: table-row;
}

.expanded-content {
    padding: var(--space-xl);
}

.expanded-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

/* ─────────────────────────────────────────────────────────────────
   FILTER & SEARCH CONTROLS
   ───────────────────────────────────────────────────────────────── */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--card-bg, rgba(26, 42, 74, 0.8));
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.filter-label {
    font-size: 0.875rem;
    color: var(--cloud-gray);
    font-weight: 500;
}

.filter-buttons {
    display: flex;
    gap: var(--space-xs);
}

.filter-btn {
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: var(--cloud-gray);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--cloud-white);
}

.filter-btn.active {
    background: var(--accent-primary, var(--continental-primary));
    color: var(--sky-dark);
    font-weight: 600;
}

/* Search Input */
.search-box {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.search-box input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    padding-left: 40px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--cloud-white);
    font-size: 0.9375rem;
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-primary, var(--continental-primary));
    box-shadow: 0 0 0 3px rgba(77, 150, 255, 0.2);
}

.search-box input::placeholder {
    color: var(--cloud-gray);
}

.search-box::before {
    content: '🔍';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.875rem;
}

/* Select Dropdown */
.select-wrapper {
    position: relative;
}

.select-wrapper select {
    appearance: none;
    padding: var(--space-sm) var(--space-xl) var(--space-sm) var(--space-md);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--cloud-white);
    font-size: 0.9375rem;
    cursor: pointer;
}

.select-wrapper::after {
    content: '▼';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.625rem;
    color: var(--cloud-gray);
    pointer-events: none;
}

/* ─────────────────────────────────────────────────────────────────
   CHARTS & VISUALIZATIONS
   ───────────────────────────────────────────────────────────────── */
.chart-container {
    background: var(--card-bg, rgba(26, 42, 74, 0.8));
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-lg);
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.chart-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--cloud-white);
}

.chart-actions {
    display: flex;
    gap: var(--space-sm);
}

.chart-canvas {
    width: 100%;
    height: 300px;
}

/* Climograph Specific */
.climograph {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-lg);
}

.climograph-chart {
    min-height: 250px;
}

.climograph-legend {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-sm);
}

.legend-color.temp { background: var(--temp-hot); }
.legend-color.precip { background: var(--continental-primary); }

/* Progress/Gauge Visualizations */
.gauge {
    position: relative;
    width: 150px;
    height: 150px;
}

.gauge-circle {
    fill: none;
    stroke-width: 10;
}

.gauge-background {
    stroke: rgba(255, 255, 255, 0.1);
}

.gauge-fill {
    stroke: var(--accent-primary, var(--continental-primary));
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: center;
    transition: stroke-dashoffset var(--transition-slow);
}

.gauge-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.gauge-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--cloud-white);
}

.gauge-label {
    font-size: 0.75rem;
    color: var(--cloud-gray);
}

/* Temperature Scale Bar */
.temp-scale {
    display: flex;
    height: 8px;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.temp-scale-segment {
    flex: 1;
}

.temp-scale-segment:nth-child(1) { background: var(--temp-freezing); }
.temp-scale-segment:nth-child(2) { background: var(--temp-cold); }
.temp-scale-segment:nth-child(3) { background: var(--temp-cool); }
.temp-scale-segment:nth-child(4) { background: var(--temp-mild); }
.temp-scale-segment:nth-child(5) { background: var(--temp-warm); }
.temp-scale-segment:nth-child(6) { background: var(--temp-hot); }
.temp-scale-segment:nth-child(7) { background: var(--temp-extreme); }

/* ─────────────────────────────────────────────────────────────────
   INTERACTIVE MAP COMPONENTS
   ───────────────────────────────────────────────────────────────── */
.map-container {
    position: relative;
    width: 100%;
    height: 500px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.map-overlay {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.map-legend {
    position: absolute;
    bottom: var(--space-md);
    left: var(--space-md);
    z-index: 100;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.map-legend h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
    color: var(--cloud-gray);
}

.legend-scale {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.legend-scale-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
}

.legend-scale-color {
    width: 20px;
    height: 12px;
    border-radius: var(--radius-sm);
}

/* Map Layer Controls */
.layer-controls {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.layer-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    cursor: pointer;
    font-size: 0.875rem;
}

.layer-toggle input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* ─────────────────────────────────────────────────────────────────
   BUTTONS
   ───────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-primary, var(--continental-primary));
    color: var(--sky-dark);
}

.btn-primary:hover {
    background: var(--accent-secondary, var(--cloud-white));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--cloud-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent-primary, var(--continental-primary));
}

.btn-ghost {
    background: transparent;
    color: var(--accent-primary, var(--continental-primary));
}

.btn-ghost:hover {
    background: rgba(77, 150, 255, 0.1);
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8125rem;
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* ─────────────────────────────────────────────────────────────────
   TABS
   ───────────────────────────────────────────────────────────────── */
.tabs {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-sm);
    background: var(--card-bg, rgba(26, 42, 74, 0.8));
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-lg);
    overflow-x: auto;
}

.tab {
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    color: var(--cloud-gray);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    background: none;
    border: none;
}

.tab:hover {
    color: var(--cloud-white);
    background: rgba(255, 255, 255, 0.05);
}

.tab.active {
    background: var(--accent-primary, var(--continental-primary));
    color: var(--sky-dark);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────────────────────────────────────────────
   ACCORDIONS
   ───────────────────────────────────────────────────────────────── */
.accordion {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    background: var(--card-bg, rgba(26, 42, 74, 0.8));
    cursor: pointer;
    transition: background var(--transition-fast);
}

.accordion-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.accordion-title {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-weight: 600;
    color: var(--cloud-white);
}

.accordion-icon {
    font-size: 1.5rem;
}

.accordion-arrow {
    transition: transform var(--transition-fast);
}

.accordion-item.active .accordion-arrow {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.accordion-item.active .accordion-content {
    max-height: 2000px;
}

.accordion-body {
    padding: var(--space-lg);
    background: rgba(0, 0, 0, 0.2);
}

/* ─────────────────────────────────────────────────────────────────
   MODALS
   ───────────────────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn var(--transition-fast);
}

.modal {
    background: var(--sky-medium);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--cloud-white);
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-md);
    color: var(--cloud-white);
    cursor: pointer;
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--danger);
}

.modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
}

/* ─────────────────────────────────────────────────────────────────
   TOOLTIPS
   ───────────────────────────────────────────────────────────────── */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-5px);
    background: var(--sky-dark);
    color: var(--cloud-white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip);
    box-shadow: var(--shadow-lg);
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-10px);
}

/* ─────────────────────────────────────────────────────────────────
   LIVE INDICATORS
   ───────────────────────────────────────────────────────────────── */
.live-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: rgba(46, 213, 115, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--success);
}

.live-indicator::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.alert-indicator {
    background: rgba(255, 71, 87, 0.2);
    color: var(--danger);
}

.alert-indicator::before {
    background: var(--danger);
}

/* ─────────────────────────────────────────────────────────────────
   QUICK FACTS / KEY STATS
   ───────────────────────────────────────────────────────────────── */
.quick-facts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-md);
    padding: var(--space-lg);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-lg);
}

.fact-item {
    text-align: center;
    padding: var(--space-md);
}

.fact-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.fact-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cloud-white);
    margin-bottom: var(--space-xs);
}

.fact-label {
    font-size: 0.75rem;
    color: var(--cloud-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ─────────────────────────────────────────────────────────────────
   COMPARISON SECTIONS
   ───────────────────────────────────────────────────────────────── */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.comparison-item {
    background: var(--card-bg, rgba(26, 42, 74, 0.8));
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.comparison-header {
    padding: var(--space-lg);
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
}

.comparison-body {
    padding: var(--space-lg);
}

.comparison-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-label {
    color: var(--cloud-gray);
    font-size: 0.875rem;
}

.comparison-value {
    font-weight: 600;
    color: var(--cloud-white);
}

/* ─────────────────────────────────────────────────────────────────
   TIMELINE
   ───────────────────────────────────────────────────────────────── */
.timeline {
    position: relative;
    padding-left: var(--space-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent-primary, var(--continental-primary));
    opacity: 0.3;
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-xl);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-xl) - 5px);
    top: 6px;
    width: 12px;
    height: 12px;
    background: var(--accent-primary, var(--continental-primary));
    border-radius: 50%;
}

.timeline-date {
    font-size: 0.875rem;
    color: var(--accent-primary, var(--continental-primary));
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.timeline-content {
    background: var(--card-bg, rgba(26, 42, 74, 0.8));
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ─────────────────────────────────────────────────────────────────
   FOOTER
   ───────────────────────────────────────────────────────────────── */
.footer {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-3xl) 0 var(--space-xl);
    margin-top: var(--space-3xl);
}

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

.footer-section h4 {
    color: var(--cloud-white);
    margin-bottom: var(--space-md);
    font-size: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--cloud-gray);
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: var(--accent-primary, var(--continental-primary));
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-copyright {
    color: var(--cloud-gray);
    font-size: 0.875rem;
}

/* ─────────────────────────────────────────────────────────────────
   UTILITY CLASSES
   ───────────────────────────────────────────────────────────────── */

/* Spacing */
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.pt-0 { padding-top: 0; }
.pt-lg { padding-top: var(--space-lg); }
.pt-xl { padding-top: var(--space-xl); }

.pb-0 { padding-bottom: 0; }
.pb-lg { padding-bottom: var(--space-lg); }
.pb-xl { padding-bottom: var(--space-xl); }

/* Text */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-normal { font-weight: 400; }

.uppercase { text-transform: uppercase; }
.capitalize { text-transform: capitalize; }

.text-white { color: var(--cloud-white); }
.text-gray { color: var(--cloud-gray); }
.text-primary { color: var(--accent-primary, var(--continental-primary)); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-success { color: var(--success); }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

/* Visibility */
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

/* Width/Height */
.w-full { width: 100%; }
.h-full { height: 100%; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Rounded */
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadows */
.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* ─────────────────────────────────────────────────────────────────
   RESPONSIVE UTILITIES
   ───────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .hide-tablet { display: none; }
}

@media (max-width: 768px) {
    .hide-mobile { display: none; }
    
    .hero-stats {
        justify-content: center;
    }
    
    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-buttons {
        flex-wrap: wrap;
    }
}

@media (min-width: 769px) {
    .show-mobile { display: none; }
}

/* ─────────────────────────────────────────────────────────────────
   PRINT STYLES
   ───────────────────────────────────────────────────────────────── */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .nav-main,
    .filter-bar,
    .btn,
    .footer {
        display: none;
    }
    
    .card,
    .table-container {
        border: 1px solid #ccc;
        box-shadow: none;
    }
}

/* ─────────────────────────────────────────────────────────────────
   LOADING STATES
   ───────────────────────────────────────────────────────────────── */
.skeleton {
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0.05) 0%, 
        rgba(255, 255, 255, 0.1) 50%, 
        rgba(255, 255, 255, 0.05) 100%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    from { background-position: 200% 0; }
    to { background-position: -200% 0; }
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent-primary, var(--continental-primary));
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ─────────────────────────────────────────────────────────────────
   ACCESSIBILITY
   ───────────────────────────────────────────────────────────────── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

:focus-visible {
    outline: 2px solid var(--accent-primary, var(--continental-primary));
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --card-bg: rgba(0, 0, 0, 0.9);
    }
    
    .card,
    .data-table th,
    .filter-bar {
        border-width: 2px;
    }
}