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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    opacity: 0.9;
    font-size: 1.1rem;
}

.controls {
    padding: 20px 30px;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}

.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.search-box input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
}

.search-box input:focus {
    outline: none;
    border-color: #667eea;
}

.search-box button {
    padding: 12px 24px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s;
}

.search-box button:hover {
    background: #5568d3;
}

.platform-filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.platform-btn {
    padding: 8px 20px;
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
}

.platform-btn:hover {
    border-color: #667eea;
    color: #667eea;
}

.platform-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 30px;
    background: #f8f9fa;
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 8px;
}

.stat-label {
    color: #6c757d;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tabs {
    display: flex;
    border-bottom: 2px solid #e9ecef;
    padding: 0 30px;
    background: #f8f9fa;
}

.tab-btn {
    padding: 15px 30px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
}

.tab-btn:hover {
    background: #e9ecef;
}

.tab-btn.active {
    border-bottom-color: #667eea;
    color: #667eea;
    font-weight: 600;
}

.tab-content {
    display: none;
    padding: 30px;
}

.tab-content.active {
    display: block;
}

.tab-content h2 {
    margin-bottom: 20px;
    color: #333;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.post-card {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s;
}

.post-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.post-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.platform-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.platform-badge.twitter {
    background: #1da1f2;
    color: white;
}

.platform-badge.instagram {
    background: #e4405f;
    color: white;
}

.platform-badge.facebook {
    background: #1877f2;
    color: white;
}

.platform-badge.tiktok {
    background: #000000;
    color: white;
}

.post-author {
    font-weight: 600;
    color: #333;
}

.post-content {
    color: #555;
    line-height: 1.6;
    margin-bottom: 15px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.post-stats {
    display: flex;
    gap: 15px;
    font-size: 0.9rem;
    color: #6c757d;
}

.post-stat {
    display: flex;
    align-items: center;
    gap: 5px;
}

.post-time {
    font-size: 0.8rem;
    color: #999;
    margin-top: 10px;
}

.stats-table {
    background: white;
    border-radius: 12px;
    overflow: hidden;
}

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

.stats-table th,
.stats-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.stats-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
}

.stats-table tr:hover {
    background: #f8f9fa;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #6c757d;
}

.error {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }

    .posts-grid {
        grid-template-columns: 1fr;
    }

    .search-box {
        flex-direction: column;
    }
}