* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f8f9fa;
    color: #333;
    line-height: 1.6;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}
header {
    background: linear-gradient(135deg, #4a90e2, #7b2ff7);
    color: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.logo a { color: white; text-decoration: none; font-size: 1.5rem; font-weight: bold; }
nav ul { list-style: none; display: flex; gap: 20px; }
nav ul li a { color: white; text-decoration: none; font-weight: 500; }
.hamburger { display: none; cursor: pointer; font-size: 1.5rem; }
.hero {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    text-align: center;
    padding: 60px 20px;
}
.hero h1 { font-size: 2.5rem; margin-bottom: 15px; }
.hero .subtitle { font-size: 1.2rem; margin-bottom: 30px; }
.search-bar {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}
.search-bar input {
    width: 60%;
    padding: 12px 20px;
    border: none;
    border-radius: 30px 0 0 30px;
    font-size: 1rem;
}
.search-bar button {
    background: #ff6b6b;
    border: none;
    color: white;
    padding: 12px 25px;
    border-radius: 0 30px 30px 0;
    cursor: pointer;
    font-size: 1rem;
}
.filter-bar {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}
.filter-bar select {
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    background: white;
    font-size: 1rem;
}
.toolbar {
    display: flex;
    gap: 10px;
    margin: 20px 0;
    flex-wrap: wrap;
    justify-content: center;
}
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin: 30px 0;
}
.card {
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.card-header h3 { font-size: 1.3rem; color: #333; }
.badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: bold;
}
.badge-recommend { background: #ff6b6b; color: white; }
.card-desc { color: #666; font-size: 0.95rem; margin-bottom: 15px; flex-grow: 1; }
.card-meta { display: flex; gap: 10px; margin-bottom: 10px; }
.category-tag, .type-tag {
    background: #e9ecef;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: #555;
}
.card-rating { margin-bottom: 10px; color: #f39c12; font-size: 1rem; }
.rating-num { margin-left: 8px; color: #666; }
.card-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}
.btn {
    padding: 8px 18px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s;
}
.btn-primary { background: #4a90e2; color: white; }
.btn-primary:hover { background: #357abd; }
.btn-secondary { background: #6c757d; color: white; }
.btn-secondary:hover { background: #5a6268; }
.btn-warning { background: #ffc107; color: #333; }
.btn-info { background: #17a2b8; color: white; }
.btn-danger { background: #dc3545; color: white; }
.btn-outline { background: transparent; border: 1px solid #ccc; color: #333; }
.btn-sm { padding: 5px 12px; font-size: 0.8rem; }
.btn-link { background: none; border: none; color: #4a90e2; cursor: pointer; padding: 0; font-size: 0.9rem; }
.card-comments { margin-top: 10px; border-top: 1px solid #eee; padding-top: 10px; }
.comment-item { margin-bottom: 8px; font-size: 0.85rem; }
.comment-item strong { color: #333; }
.comment-item p { margin: 2px 0 0 0; color: #555; }
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    justify-content: center;
    align-items: center;
}
.modal-content {
    background: white;
    border-radius: 15px;
    padding: 30px;
    max-width: 600px;
    width: 90%;
    position: relative;
}
.modal-lg { max-width: 800px; }
.close {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 2rem;
    cursor: pointer;
    color: #aaa;
}
.close:hover { color: #333; }
#commentForm input, #commentForm textarea, #commentForm select {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
}
#commentForm textarea { height: 100px; }
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}
footer a { color: #4a90e2; text-decoration: none; }
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #667eea, #764ba2);
}
.login-box {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    width: 350px;
    text-align: center;
}
.login-box h2 { margin-bottom: 20px; }
.login-box input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
}
.error { color: red; margin-bottom: 15px; }
.success { color: green; margin-bottom: 15px; }
.admin-form {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 20px;
}
.admin-form input, .admin-form select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.95rem;
}
.admin-form.inline { gap: 10px; }
.admin-list { margin-top: 20px; }
.admin-item {
    background: white;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hamburger { display: block; }
    .header-flex { flex-wrap: wrap; }
    .hero h1 { font-size: 1.8rem; }
    .search-bar input { width: 80%; }
    .card-grid { grid-template-columns: 1fr; }
    .admin-item { flex-direction: column; align-items: flex-start; }
}