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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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: 3rem;
    margin-bottom: 10px;
    text-shadow: 0 4px 8px rgba(0,0,0,0.3);
    animation: fadeInDown 0.8s ease;
}

.header p {
    font-size: 1.2rem;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.search-container {
    position: relative;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.search-box {
    width: 100%;
    padding: 15px 50px 15px 20px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.search-box:focus {
    outline: none;
    transform: scale(1.02);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.search-icon {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

.nav-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    gap: 10px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.nav-tab {
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    background: rgba(255,255,255,0.2);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-tab:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

.nav-tab.active {
    background: rgba(255,255,255,0.9);
    color: #333;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.content {
    min-height: 400px;
}

.tag-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.tag-item {
    padding: 8px 16px;
    border-radius: 20px;
    background: rgba(255,255,255,0.2);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    border: 2px solid transparent;
}

.tag-item:hover {
    background: rgba(255,255,255,0.3);
    transform: scale(1.05);
}

.tag-item.active {
    background: rgba(255,255,255,0.9);
    color: #333;
    border-color: #4CAF50;
}

.websites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    animation: fadeInUp 0.8s ease 1s both;
}

.website-card {
    background: rgba(255,255,255,0.95);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    backdrop-filter: blur(10px);
    opacity: 0;
    animation: slideInUp 0.6s ease forwards;
}

.website-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 16px 48px rgba(0,0,0,0.2);
}

.website-card .favicon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    margin-bottom: 10px;
    background: #f0f0f0;
}

.website-card h3 {
    margin-bottom: 8px;
    color: #333;
    font-size: 1.2rem;
}

.website-card p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.5;
}

.website-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.website-tag {
    padding: 4px 8px;
    background: #e3f2fd;
    color: #1976d2;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.settings-panel {
    background: rgba(255,255,255,0.95);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4CAF50;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-right: 10px;
    margin-bottom: 10px;
}

.btn-primary {
    background: #4CAF50;
    color: white;
}

.btn-primary:hover {
    background: #45a049;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #2196F3;
    color: white;
}

.btn-secondary:hover {
    background: #1976D2;
    transform: translateY(-2px);
}

.btn-danger {
    background: #f44336;
    color: white;
}

.btn-danger:hover {
    background: #da190b;
    transform: translateY(-2px);
}

.website-list {
    margin-top: 30px;
}

.website-item {
    background: #f9f9f9;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.website-item:hover {
    background: #f0f0f0;
    transform: translateX(5px);
}

.website-info {
    flex: 1;
}

.website-actions {
    display: flex;
    gap: 10px;
}

.hidden {
    display: none !important;
}

.no-results {
    text-align: center;
    color: white;
    font-size: 1.2rem;
    margin-top: 50px;
    opacity: 0.8;
}

.export-section {
    margin-top: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInUp {
    from { 
        opacity: 0; 
        transform: translateY(30px) scale(0.9); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
    }
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .websites-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-tabs {
        flex-wrap: wrap;
    }
    
    .tag-filter {
        justify-content: flex-start;
    }
}