/* ===================================
   AI News - Dark Mode Tech Aesthetic
   =================================== */

/* CSS Variables */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a24;
    --accent-cyan: #00d4ff;
    --accent-purple: #8b5cf6;
    --accent-green: #10b981;
    --text-primary: #f0f0f5;
    --text-secondary: #8888a0;
    --border: #2a2a3a;
    --gradient-ai: linear-gradient(135deg, #00d4ff 0%, #8b5cf6 100%);
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-heading);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-logo i {
    color: var(--accent-cyan);
    font-size: 1.8rem;
}

.logo-text {
    background: var(--gradient-ai);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.1);
}

.nav-links i {
    font-size: 1rem;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 20px;
}

.hero-background {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.1;
}

.gradient-text {
    background: var(--gradient-ai);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: var(--gradient-ai);
    color: var(--bg-primary);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 12px;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

.cta-button i {
    transition: var(--transition);
}

.cta-button:hover i {
    transform: translateX(5px);
}

/* ===================================
   Sections
   =================================== */
.section {
    padding: 100px 0;
}

.section-dark {
    background: var(--bg-secondary);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.section-title i {
    background: var(--gradient-ai);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

/* ===================================
   Rankings Grid (Model Cards)
   =================================== */
.rankings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.model-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.model-card.loaded {
    opacity: 1;
    transform: translateY(0);
}

.model-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-cyan);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.15);
}

.model-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.model-card:hover::before {
    opacity: 1;
}

/* Rank Badge */
.rank-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 8px 14px;
    border-radius: 10px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: #0a0a0f;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.rank-badge i {
    font-size: 0.75rem;
}

/* Trending Badge */
.trending-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4px 10px;
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.trending-badge i {
    animation: bounce 1s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

/* Model Header */
.model-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.model-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.model-icon i {
    font-size: 1.4rem;
    color: var(--bg-primary);
}

.category-tag {
    padding: 6px 12px;
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-purple);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.category-tag i {
    font-size: 0.7rem;
}

/* Model Name */
.model-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
    line-height: 1.3;
}

/* Provider Badge */
.provider-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.provider-badge i {
    font-size: 0.75rem;
}

/* Score Section */
.score-section {
    margin-bottom: 16px;
}

.score-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.score-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-cyan);
}

.score-bar {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.score-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 4px;
    transition: width 0.6s ease;
}

/* Model Meta */
.model-meta {
    display: flex;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.meta-item i {
    color: var(--accent-cyan);
    width: 16px;
}

/* Loading Skeleton */
.model-card.skeleton {
    pointer-events: none;
}

.skeleton-rank {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 50px;
    height: 28px;
    background: linear-gradient(90deg, #2a2a3a 25%, #3a3a4a 50%, #2a2a3a 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 6px;
}

.skeleton-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.skeleton-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(90deg, #2a2a3a 25%, #3a3a4a 50%, #2a2a3a 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 12px;
}

.skeleton-badge {
    width: 80px;
    height: 24px;
    background: linear-gradient(90deg, #2a2a3a 25%, #3a3a4a 50%, #2a2a3a 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 6px;
}

.skeleton-name {
    width: 70%;
    height: 28px;
    background: linear-gradient(90deg, #2a2a3a 25%, #3a3a4a 50%, #2a2a3a 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 6px;
    margin-bottom: 12px;
}

.skeleton-provider {
    width: 100px;
    height: 24px;
    background: linear-gradient(90deg, #2a2a3a 25%, #3a3a4a 50%, #2a2a3a 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 6px;
    margin-bottom: 20px;
}

.skeleton-bar {
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, #2a2a3a 25%, #3a3a4a 50%, #2a2a3a 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    margin-bottom: 16px;
}

.skeleton-meta {
    width: 60%;
    height: 20px;
    background: linear-gradient(90deg, #2a2a3a 25%, #3a3a4a 50%, #2a2a3a 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Error State */
.error-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
}

.error-state i {
    font-size: 3rem;
    color: var(--accent-purple);
    margin-bottom: 20px;
}

.error-state p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.error-state button {
    padding: 12px 24px;
    background: var(--gradient-ai);
    color: var(--bg-primary);
    border: none;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.error-state button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

/* ===================================
   Map
   /* ===================================
      Climate Section
      =================================== */
   .climate-container {
       display: grid;
       grid-template-columns: 1fr 350px;
       gap: 24px;
       align-items: start;
   }

   @media (max-width: 900px) {
       .climate-container {
           grid-template-columns: 1fr;
       }
   }

   /* Map Container */
   .map-container {
       height: 500px;
       border-radius: 16px;
       border: 1px solid var(--border);
       overflow: hidden;
       box-shadow: var(--shadow);
   }

   @media (max-width: 900px) {
       .map-container {
           height: 400px;
       }
   }

   /* Weather Panel */
   .weather-panel {
       background: var(--bg-card);
       border: 1px solid var(--border);
       border-radius: 16px;
       padding: 24px;
       box-shadow: var(--shadow);
   }

   .weather-panel-title {
       font-size: 1.2rem;
       font-weight: 600;
       margin-bottom: 20px;
       display: flex;
       align-items: center;
       gap: 10px;
       color: var(--text-primary);
   }

   .weather-panel-title i {
       color: var(--accent-cyan);
   }

   /* Weather Cards */
   .weather-cards {
       display: flex;
       flex-direction: column;
       gap: 16px;
   }

   .weather-loading {
       display: flex;
       flex-direction: column;
       align-items: center;
       justify-content: center;
       padding: 40px 20px;
       color: var(--text-secondary);
       gap: 12px;
   }

   .weather-loading i {
       font-size: 1.5rem;
       color: var(--accent-cyan);
   }

   /* City Weather Card */
   .city-card {
       background: var(--bg-secondary);
       border: 1px solid var(--border);
       border-radius: 12px;
       padding: 20px;
       transition: var(--transition);
   }

   .city-card:hover {
       border-color: var(--accent-cyan);
       transform: translateX(5px);
   }

   .city-card-header {
       display: flex;
       justify-content: space-between;
       align-items: center;
       margin-bottom: 16px;
   }

   .city-name {
       font-size: 1.1rem;
       font-weight: 600;
       color: var(--text-primary);
       display: flex;
       align-items: center;
       gap: 8px;
   }

   .city-name i {
       color: var(--accent-cyan);
   }

   .weather-icon {
       font-size: 2rem;
       opacity: 0.9;
   }

   .city-card-body {
       display: flex;
       flex-direction: column;
       gap: 12px;
   }

   .weather-stat {
       display: flex;
       align-items: center;
       gap: 10px;
       font-family: var(--font-mono);
       font-size: 0.9rem;
       color: var(--text-secondary);
   }

   .weather-stat i {
       width: 20px;
       color: var(--accent-purple);
   }

   .weather-stat .value {
       color: var(--text-primary);
       font-weight: 500;
   }

   .temperature-display {
       font-size: 2.5rem;
       font-weight: 700;
       color: var(--accent-cyan);
       display: flex;
       align-items: baseline;
       gap: 4px;
   }

   .temperature-display .unit {
       font-size: 1rem;
       color: var(--text-secondary);
   }

   .condition-badge {
       display: inline-flex;
       align-items: center;
       gap: 6px;
       padding: 6px 12px;
       background: rgba(139, 92, 246, 0.15);
       color: var(--accent-purple);
       border-radius: 8px;
       font-size: 0.85rem;
       margin-top: 8px;
   }

   .wind-info {
       display: flex;
       align-items: center;
       gap: 8px;
       margin-top: 8px;
   }

   .wind-direction {
       font-size: 1.2rem;
       color: var(--accent-cyan);
   }

   /* Map Popups */
   .map-popup {
       min-width: 180px;
   }
   .map-popup h4 {
       font-family: 'Space Grotesk', sans-serif;
       font-size: 1.1rem;
       margin-bottom: 10px;
       color: #f0f0f5;
   }
   .map-popup p {
       font-family: 'JetBrains Mono', monospace;
       font-size: 0.85rem;
       margin-bottom: 6px;
       color: #8888a0;
       display: flex;
       align-items: center;
       gap: 8px;
   }
   .map-popup p i {
       color: #00d4ff;
       width: 16px;
   }
   .status-dot {
       width: 8px;
       height: 8px;
       background: #10b981;
       border-radius: 50%;
       display: inline-block;
   }

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--bg-secondary);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border);
}

.footer-content {
    text-align: center;
    margin-bottom: 40px;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-brand i {
    color: var(--accent-cyan);
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 1.2rem;
    transition: var(--transition);
}

.footer-links a:hover {
    background: var(--gradient-ai);
    color: var(--bg-primary);
    border-color: transparent;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 768px) {
    .nav-links {
        gap: 15px;
    }
    
    .nav-links a span {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .rankings-grid {
        grid-template-columns: 1fr;
    }
    
    .map-container {
        height: 350px;
    }
}

/* ===================================
   Leaflet Map Dark Theme Override
   =================================== */
.leaflet-container {
    background: var(--bg-card);
}

.leaflet-popup-content-wrapper {
    background: var(--bg-card);
    color: var(--text-primary);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.leaflet-popup-tip {
    background: var(--bg-card);
}

.leaflet-popup-content {
    margin: 15px;
    font-family: var(--font-heading);
}