/* assets/css/style.css */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --success-color: #4cc9f0;
    --warning-color: #f8961e;
    --danger-color: #f94144;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f5f7fb;
    color: var(--dark-color);
    line-height: 1.6;
}

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

/* Navbar */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--box-shadow);
}

.nav-brand a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-left: auto;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 8px 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: white;
    min-height: calc(100vh - 70px);
    position: fixed;
    left: 0;
    top: 70px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    padding: 20px 0;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
}

.sidebar-link {
    padding: 12px 20px;
    color: var(--dark-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.sidebar-link:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
}

/* Main Content */
.main-content {
    margin-left: 250px;
    padding: 30px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-warning {
    background-color: var(--warning-color);
    color: white;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Cards */
.product-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.product-image {
    position: relative;
    height: 200px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.no-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: white;
    font-size: 48px;
}

.status-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
}

.status-draft { background-color: var(--gray-color); color: white; }
.status-under_review { background-color: var(--warning-color); color: white; }
.status-approved { background-color: var(--success-color); color: white; }
.status-rejected { background-color: var(--danger-color); color: white; }

.product-info {
    padding: 20px;
}

.product-info h3 {
    margin-bottom: 5px;
    font-size: 18px;
}

.product-info .artist {
    color: var(--gray-color);
    margin-bottom: 10px;
}

.product-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 12px;
    color: var(--gray-color);
}

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

/* Forms */
.form-section {
    background: white;
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--box-shadow);
}

.form-section h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e1e5eb;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--gray-color);
    font-size: 12px;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e1e5eb;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Dashboard */
.dashboard-header {
    margin-bottom: 30px;
}

.dashboard-header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.label-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--light-color);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: var(--border-radius);
    font-size: 14px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--box-shadow);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.stat-blue .stat-icon { background-color: var(--primary-color); }
.stat-green .stat-icon { background-color: var(--success-color); }
.stat-yellow .stat-icon { background-color: var(--warning-color); }
.stat-red .stat-icon { background-color: var(--danger-color); }

.stat-info h3 {
    font-size: 28px;
    margin-bottom: 5px;
}

.stat-info p {
    color: var(--gray-color);
    font-size: 14px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

/* Product Details */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e1e5eb;
}

.page-header h1 {
    font-size: 1.8rem;
}

.subtitle {
    color: var(--gray-color);
    font-size: 14px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.product-details {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
}

.detail-row {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    margin-bottom: 30px;
}

.cover-art {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.cover-art img {
    width: 100%;
    height: auto;
    display: block;
}

.cover-art.placeholder {
    height: 300px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 64px;
}

.detail-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e1e5eb;
}

.detail-section:last-child {
    border-bottom: none;
}

.detail-section h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.detail-label {
    font-weight: 500;
    color: var(--gray-color);
    font-size: 14px;
}

.detail-value {
    font-size: 16px;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.data-table thead {
    background-color: var(--primary-color);
    color: white;
}

.data-table th {
    padding: 15px;
    text-align: left;
    font-weight: 500;
}

.data-table tbody tr {
    border-bottom: 1px solid #e1e5eb;
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background-color: var(--light-color);
}

.data-table td {
    padding: 15px;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.login-header h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.login-header p {
    color: var(--gray-color);
}

.login-footer {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e1e5eb;
    text-align: center;
    font-size: 12px;
    color: var(--gray-color);
}

/* Footer */
.footer {
    margin-top: 50px;
    padding: 20px 0;
    text-align: center;
    color: var(--gray-color);
    font-size: 14px;
    border-top: 1px solid #e1e5eb;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-color);
}

.empty-state i {
    margin-bottom: 20px;
    color: #e1e5eb;
}

.empty-state h3 {
    margin-bottom: 10px;
    color: var(--dark-color);
}

.empty-state p {
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .detail-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Utility Classes */
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.ml-10 { margin-left: 10px; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-10 { gap: 10px; }
.gap-20 { gap: 20px; }