/**
 * Hava Durumu Son Dakika - Modern UI
 * Clean, Fast, SEO-Friendly Design
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    /* Primary Colors */
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Light Theme (Default) */
    --bg: #f8fafc;
    --bg-secondary: #e2e8f0;
    --bg-card: #ffffff;
    --surface: #f1f5f9;
    --border: #cbd5e1;
    --text: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --gradient-cool: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    
    /* Border Radius */
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;
}

/* Light Theme (explicit - matches :root default) */
[data-theme="light"] {
    --bg: #f8fafc;
    --bg-secondary: #e2e8f0;
    --bg-card: #ffffff;
    --surface: #f1f5f9;
    --border: #cbd5e1;
    --text: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --surface: #334155;
    --border: #475569;
    --text: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* Utility Classes */
.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;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.nav {
    display: flex;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text);
    background: var(--surface);
}

/* Theme Toggle */
.theme-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-btn:hover {
    border-color: var(--primary);
    transform: rotate(180deg);
}

/* Main Content */
.main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 20px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 20px 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 24px;
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: 16px;
    line-height: 1.1;
}

.hero h1 span {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

/* Search Box */
.search-wrap {
    max-width: 640px;
    margin: 0 auto;
    position: relative;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: 6px;
    transition: var(--transition);
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.search-icon {
    padding: 12px 16px;
    color: var(--text-muted);
    font-size: 20px;
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text);
    font-size: 1rem;
    padding: 12px 0;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-btn {
    padding: 12px 28px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-xl);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-glow);
}

/* Search Results */
.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 50;
    box-shadow: var(--shadow-lg);
}

.search-results.active {
    display: block;
}

.search-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    color: var(--text);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.search-item:hover {
    background: var(--surface);
}

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

.search-item-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-accent);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.search-item-name {
    font-weight: 600;
}

.search-item-type {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Quick Links */
.quick-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 32px;
}

.quick-link {
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.quick-link:hover {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    transform: translateY(-2px);
}

/* Stats */
.stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Section */
.section {
    margin-bottom: 32px;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.section-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Weather Card */
.weather-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: 32px;
    position: relative;
    overflow: hidden;
}

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

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 0.9rem;
    color: var(--text-muted);
    background: var(--surface);
    padding: 10px 18px;
    border-radius: var(--radius-full);
    width: fit-content;
}

.breadcrumb a {
    color: var(--primary-light);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Period Selector */
.period-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
    padding: 10px;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
}

.period-btn {
    padding: 8px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
}

.period-btn:hover {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
}

.period-btn.active {
    background: var(--gradient-accent);
    color: #fff;
    border-color: transparent;
}

/* Province Grid */
.province-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.province-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 18px 14px;
    text-align: center;
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.province-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.province-code {
    display: inline-block;
    padding: 4px 10px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    margin-top: 8px;
    color: #fff;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 48px 20px 24px;
    margin-top: 64px;
}

.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.footer-logo-text {
    font-size: 1.1rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-title {
    font-weight: 700;
    margin-bottom: 16px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    max-width: 1280px;
    margin: 40px auto 0;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom a {
    color: var(--text-muted);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: var(--primary-light);
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .hero {
        padding: 40px 16px 60px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .search-box {
        flex-direction: column;
        padding: 12px;
    }
    
    .search-btn {
        width: 100%;
        margin-top: 10px;
    }
    
    .stats {
        gap: 24px;
        flex-wrap: wrap;
    }
    
    .stat-value {
        font-size: 1.8rem;
    }
    
    .province-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
    
    .footer-inner {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .search-wrap,
    .period-selector,
    .theme-btn {
        display: none !important;
    }
    
    body {
        background: #fff;
        color: #000;
    }
    
    .weather-card {
        border: 1px solid #ccc;
        box-shadow: none;
    }
}