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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

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

.header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

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

.search-section {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    margin-bottom: 30px;
}

.search-container {
    position: relative;
    margin-bottom: 20px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 15px;
    color: #666;
    z-index: 2;
}

#searchInput {
    width: 100%;
    padding: 15px 50px 15px 45px;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
}

#searchInput:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.clear-btn {
    position: absolute;
    right: 15px;
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.clear-btn:hover {
    background: #f0f0f0;
    color: #666;
}

.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.suggestion-item {
    padding: 12px 15px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.2s ease;
}

.suggestion-item:hover {
    background: #f8f9fa;
}

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

.filter-options {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-options select {
    padding: 10px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.filter-options select:focus {
    border-color: #667eea;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}

.stat-item {
    text-align: center;
    color: white;
}

.stat-item span {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-item label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.loading {
    text-align: center;
    color: white;
    font-size: 1.2rem;
    margin: 40px 0;
}

.loading i {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}

.results-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.result-item {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.result-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

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

.file-icon {
    font-size: 1.5rem;
    margin-right: 10px;
    color: #667eea;
}

.file-name {
    font-weight: bold;
    font-size: 1.1rem;
    color: #333;
    flex: 1;
}

.file-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: #666;
}

.info-item {
    display: flex;
    align-items: center;
}

.info-item i {
    margin-right: 5px;
    width: 15px;
}

.download-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.download-btn:active {
    transform: translateY(0);
}

.no-results {
    text-align: center;
    color: white;
    margin: 60px 0;
}

.no-results i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.7;
}

.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    max-width: 400px;
    width: 90%;
    text-align: center;
}

.close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.5rem;
    cursor: pointer;
    color: #999;
}

.download-progress {
    margin-top: 20px;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: #e0e0e0;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 0%;
    transition: width 0.3s ease;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 30px 0;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.page-btn {
    padding: 12px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.page-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.page-info {
    color: white;
    font-weight: bold;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .pagination {
        flex-direction: column;
        gap: 15px;
    }
    
    .page-btn {
        width: 100%;
        justify-content: center;
    }
}
    .container {
        padding: 15px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .search-section {
        padding: 20px;
    }
    
    .stats {
        gap: 20px;
    }
    
    .results-container {
        grid-template-columns: 1fr;
    }
    
    .filter-options {
        flex-direction: column;
    }
    
    .filter-options select {
        width: 100%;
    }