* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #151a35;
    --bg-card: #1a1f3a;
    --bg-hover: #1f2544;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --border-color: #2d3748;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, #1a1f45 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--accent-blue);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.nav-brand a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 800;
}

.logo {
    font-size: 2rem;
}

.site-name {
    background: linear-gradient(135deg, #3b82f6, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tld {
    color: var(--text-secondary);
    font-weight: 400;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 10px 16px;
    border-radius: 8px;
    transition: all 0.3s;
    font-weight: 500;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--text-primary);
    background: var(--bg-hover);
}

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
    padding: 40px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.hero .tagline {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* AdSense */
.ad-container {
    max-width: 100%;
    margin: 24px auto;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Main Content */
.main-content {
    padding: 32px 20px;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 24px;
}

/* Market Stats */
.market-stats {
    margin-bottom: 32px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}

.stat-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-icon {
    font-size: 2.5rem;
}

.stat-content {
    flex: 1;
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.stat-value {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-blue);
}

/* Controls */
.controls-section {
    margin-bottom: 24px;
}

.controls {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 250px;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.sort-select {
    padding: 14px 18px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    min-width: 200px;
}

.sort-select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

/* Loading */
.spinner {
    text-align: center;
    padding: 60px 20px;
}

.spinner-circle {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-blue);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid var(--accent-red);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    color: var(--accent-red);
}

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

.table-wrapper {
    overflow-x: auto;
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.crypto-table {
    width: 100%;
    border-collapse: collapse;
}

.crypto-table thead {
    background: var(--bg-secondary);
}

.crypto-table th {
    padding: 18px 15px;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    border-bottom: 2px solid var(--border-color);
}

.crypto-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

.crypto-table tbody tr:hover {
    background: rgba(59, 130, 246, 0.05);
}

.crypto-table td {
    padding: 18px 15px;
    font-size: 0.95rem;
}

.coin-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.coin-logo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.coin-name-wrapper {
    display: flex;
    flex-direction: column;
}

.coin-name {
    font-weight: 600;
}

.coin-symbol {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
}

.price {
    font-weight: 700;
    font-size: 1.05rem;
}

.positive {
    color: var(--accent-green);
}

.negative {
    color: var(--accent-red);
}

.chart-sparkline {
    width: 120px;
    height: 40px;
}

/* Load More Button */
.load-more-wrapper {
    text-align: center;
    margin: 32px 0;
}

.load-more-btn {
    background: var(--accent-blue);
    color: white;
    border: none;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
}

.load-more-btn:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

.load-more-btn:disabled {
    background: var(--border-color);
    cursor: not-allowed;
}

/* SEO Content */
.seo-content {
    background: var(--bg-card);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 32px;
}

.seo-content h1 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.seo-content h2 {
    font-size: 1.8rem;
    margin: 24px 0 16px;
}

.seo-content h3 {
    font-size: 1.4rem;
    margin: 24px 0 16px;
    color: var(--accent-blue);
}

.seo-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.seo-content ul {
    margin-left: 24px;
    margin-bottom: 16px;
}

.seo-content li {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 8px;
}

.seo-content a {
    color: var(--accent-blue);
    text-decoration: none;
}

.seo-content a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 2px solid var(--border-color);
    padding: 32px 0 24px;
    margin-top: 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-col h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.footer-col p,
.footer-col ul {
    color: var(--text-secondary);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 8px;
}

.footer-col a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

/* Responsive */
@media (max-width: 992px) {
    .hide-tablet {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 16px;
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .controls {
        flex-direction: column;
    }
    
    .hide-mobile {
        display: none;
    }
    
    .crypto-table th,
    .crypto-table td {
        padding: 12px 8px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}
/* ===================================
   COOKIE CONSENT POPUP
   =================================== */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
    border-top: 3px solid var(--accent-blue);
    padding: 20px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    z-index: 9999;
    display: none;
    animation: slideUp 0.5s ease-out;
}

.cookie-consent.show {
    display: block;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.cookie-consent-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.cookie-consent-text {
    flex: 1;
    min-width: 250px;
}

.cookie-consent-text h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cookie-consent-text p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.cookie-consent-text a {
    color: var(--accent-blue);
    text-decoration: none;
}

.cookie-consent-text a:hover {
    text-decoration: underline;
}

.cookie-consent-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.cookie-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.cookie-btn-accept {
    background: var(--accent-green);
    color: white;
}

.cookie-btn-accept:hover {
    background: #059669;
    transform: translateY(-2px);
}

.cookie-btn-decline {
    background: transparent;
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
}

.cookie-btn-decline:hover {
    background: var(--bg-hover);
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.cookie-btn-settings {
    background: transparent;
    color: var(--accent-blue);
    border: 2px solid var(--accent-blue);
}

.cookie-btn-settings:hover {
    background: var(--accent-blue);
    color: white;
}

@media (max-width: 768px) {
    .cookie-consent-container {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-consent-buttons {
        width: 100%;
        justify-content: center;
    }
    
    .cookie-btn {
        flex: 1;
        min-width: 120px;
    }
}