:root {
    --primary: #1a7a4c;
    --primary-dark: #145c3a;
    --primary-light: #2e9b64;
    --secondary: #0d4a2e;
    --accent: #ffd700;
    --text: #333;
    --text-light: #666;
    --bg: #f4f7f6;
    --bg-white: #fff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

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

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: white;
    padding: 50px 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 35px;
}

.login-header i {
    font-size: 3.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.login-header h1 {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 5px;
}

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

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

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

.login-form label i {
    margin-right: 8px;
    color: var(--primary);
}

.login-form input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(26, 122, 76, 0.1);
}

.btn-login {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(26, 122, 76, 0.3);
}

.login-footer {
    text-align: center;
    margin-top: 30px;
}

.login-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.login-footer a:hover {
    text-decoration: underline;
}

.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-error {
    background: #fee2e2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #d1fae5;
    color: #047857;
    border: 1px solid #a7f3d0;
}

.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--secondary), var(--primary-dark));
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 25px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.2rem;
    font-weight: 600;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header i {
    font-size: 1.8rem;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 25px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

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

.nav-item.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border-left-color: var(--accent);
}

.nav-item.logout {
    margin-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    min-height: 100vh;
}

.admin-header {
    background: white;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-header h1 {
    font-size: 1.5rem;
    color: var(--text);
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
}

.admin-user i {
    font-size: 1.5rem;
    color: var(--primary);
}

.dashboard-content {
    padding: 30px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon i {
    font-size: 1.5rem;
    color: white;
}

.stat-info h3 {
    font-size: 2rem;
    color: var(--primary);
}

.stat-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.quick-actions {
    background: white;
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.quick-actions h2 {
    font-size: 1.2rem;
    color: var(--text);
    margin-bottom: 20px;
}

.action-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(26, 122, 76, 0.3);
}

.btn-secondary {
    background: #e5e7eb;
    color: var(--text);
}

.btn-secondary:hover {
    background: #d1d5db;
}

.recent-content {
    background: white;
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.recent-content h2 {
    font-size: 1.2rem;
    color: var(--text);
    margin-bottom: 20px;
}

.table-responsive {
    overflow-x: auto;
}

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

.admin-table th,
.admin-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.admin-table th {
    background: var(--bg);
    font-weight: 600;
    color: var(--text);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.admin-table tr:hover {
    background: #f9fafb;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: capitalize;
}

.btn-icon {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    text-decoration: none;
    transition: var(--transition);
}

.btn-edit {
    background: #dbeafe;
    color: #2563eb;
}

.btn-edit:hover {
    background: #bfdbfe;
}

.btn-delete {
    background: #fee2e2;
    color: #dc2626;
}

.btn-delete:hover {
    background: #fecaca;
}

.table-image {
    width: 60px;
    height: 45px;
    object-fit: cover;
    border-radius: 6px;
}

.no-image {
    color: var(--text-light);
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.content-header h2 {
    font-size: 1.3rem;
    color: var(--text);
}

.form-card {
    background: white;
    padding: 35px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.admin-form .form-group {
    margin-bottom: 22px;
}

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

.admin-form input,
.admin-form select,
.admin-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.admin-form input:focus,
.admin-form select:focus,
.admin-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(26, 122, 76, 0.1);
}

.admin-form small {
    display: block;
    margin-top: 6px;
    color: var(--text-light);
    font-size: 0.85rem;
}

.current-image {
    margin-bottom: 15px;
}

.current-image img {
    max-width: 200px;
    border-radius: 8px;
    border: 2px solid #e5e7eb;
}

.current-image p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 5px;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.gallery-admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
}

.gallery-admin-item {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.gallery-admin-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.gallery-admin-item .placeholder-image {
    height: 180px;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-admin-item .placeholder-image i {
    font-size: 3rem;
    color: var(--primary);
    opacity: 0.3;
}

.gallery-admin-info {
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gallery-admin-info h4 {
    font-size: 0.95rem;
    color: var(--text);
}

.gallery-admin-actions {
    display: flex;
    gap: 8px;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background: white;
    border-radius: var(--radius);
}

.empty-state i {
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.3;
    margin-bottom: 15px;
}

.empty-state p {
    color: var(--text-light);
}

.actions {
    white-space: nowrap;
}

.actions .btn-icon {
    margin-right: 5px;
}

@media (max-width: 992px) {
    .sidebar {
        width: 80px;
    }
    
    .sidebar-header span,
    .nav-item span {
        display: none;
    }
    
    .sidebar-header {
        justify-content: center;
    }
    
    .nav-item {
        justify-content: center;
        padding: 14px;
    }
    
    .main-content {
        margin-left: 80px;
    }
}

@media (max-width: 768px) {
    .admin-wrapper {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    
    .sidebar-header {
        padding: 15px;
        justify-content: center;
    }
    
    .sidebar-header span {
        display: inline;
        font-size: 1rem;
    }
    
    .sidebar-nav {
        display: flex;
        overflow-x: auto;
        padding: 10px;
        gap: 5px;
    }
    
    .nav-item {
        flex-shrink: 0;
        padding: 10px 15px;
        border-radius: 8px;
        border-left: none;
    }
    
    .nav-item span {
        display: inline;
        font-size: 0.85rem;
    }
    
    .nav-item.active {
        border-left: none;
        background: rgba(255, 255, 255, 0.2);
    }
    
    .nav-item.logout {
        margin-top: 0;
        border-top: none;
        padding-top: 10px;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .admin-header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
        padding: 15px;
    }
    
    .admin-header h1 {
        font-size: 1.2rem;
    }
    
    .dashboard-content {
        padding: 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .stat-card {
        padding: 20px;
    }
    
    .quick-actions {
        padding: 20px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .form-card {
        padding: 20px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .content-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .content-header .btn {
        width: 100%;
        justify-content: center;
    }
    
    .recent-content {
        padding: 15px;
    }
    
    .admin-table th,
    .admin-table td {
        padding: 10px 8px;
        font-size: 0.85rem;
    }
    
    .table-image {
        width: 50px;
        height: 38px;
    }
    
    .btn-icon {
        width: 32px;
        height: 32px;
    }
    
    .gallery-admin-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }
    
    .login-header i {
        font-size: 2.5rem;
    }
    
    .login-header h1 {
        font-size: 1.3rem;
    }
    
    .sidebar-header {
        padding: 12px;
    }
    
    .sidebar-header i {
        font-size: 1.4rem;
    }
    
    .sidebar-header span {
        font-size: 0.9rem;
    }
    
    .sidebar-nav {
        padding: 8px;
        gap: 3px;
    }
    
    .nav-item {
        padding: 8px 10px;
    }
    
    .nav-item i {
        font-size: 0.9rem;
    }
    
    .nav-item span {
        font-size: 0.75rem;
    }
    
    .admin-header h1 {
        font-size: 1rem;
    }
    
    .dashboard-content {
        padding: 10px;
    }
    
    .stat-card {
        padding: 15px;
        gap: 15px;
    }
    
    .stat-icon {
        width: 45px;
        height: 45px;
    }
    
    .stat-icon i {
        font-size: 1.2rem;
    }
    
    .stat-info h3 {
        font-size: 1.5rem;
    }
    
    .stat-info p {
        font-size: 0.8rem;
    }
    
    .quick-actions h2,
    .recent-content h2 {
        font-size: 1rem;
    }
    
    .admin-form input,
    .admin-form select,
    .admin-form textarea {
        padding: 12px 14px;
        font-size: 0.95rem;
    }
    
    .admin-table {
        font-size: 0.8rem;
    }
    
    .admin-table th,
    .admin-table td {
        padding: 8px 5px;
    }
    
    .badge {
        padding: 3px 8px;
        font-size: 0.7rem;
    }
    
    .table-image {
        width: 40px;
        height: 30px;
    }
    
    .actions {
        display: flex;
        flex-direction: column;
        gap: 5px;
    }
    
    .btn-icon {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }
    
    .current-image img {
        max-width: 150px;
    }
}