@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #C41E3A;
    --primary-dark: #9B1830;
    --dark: #1A1A1A;
    --sidebar-bg: #1e293b;
    --sidebar-hover: #334155;
    --sidebar-active: #C41E3A;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-500: #64748b;
    --gray-700: #334155;
    --gray-900: #0f172a;
    --white: #ffffff;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --radius: 10px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--gray-100);
    color: var(--gray-900);
}

/* Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: var(--sidebar-bg);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

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

.sidebar-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.sidebar-header h2 {
    font-size: 16px;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
}

.sidebar-nav {
    flex: 1;
    padding: 15px 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.sidebar-nav a:hover {
    background: var(--sidebar-hover);
    color: white;
}

.sidebar-nav a.active {
    background: var(--sidebar-active);
    color: white;
}

.sidebar-nav a i {
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 15px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.logout-btn {
    width: 100%;
    padding: 10px;
    background: rgba(239,68,68,0.2);
    border: none;
    border-radius: 8px;
    color: #fca5a5;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    transition: 0.2s;
    font-family: 'Inter', sans-serif;
}

.logout-btn:hover {
    background: #ef4444;
    color: white;
}

/* Main */
.admin-main {
    flex: 1;
    margin-left: 250px;
}

.admin-topbar {
    background: var(--white);
    padding: 16px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 50;
}

.admin-topbar h3 {
    font-size: 18px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-500);
}

.admin-user i {
    font-size: 22px;
    color: var(--gray-300);
}

.admin-content {
    padding: 30px;
}

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

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

.admin-card-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-card-header h3 {
    font-size: 16px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
}

.admin-card-body {
    padding: 25px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 18px;
}

.stat-icon {
    width: 55px;
    height: 55px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
}

.stat-icon.blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.stat-icon.green { background: linear-gradient(135deg, #22c55e, #16a34a); }
.stat-icon.red { background: linear-gradient(135deg, #C41E3A, #9B1830); }

.stat-info h4 {
    font-size: 26px;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
}

.stat-info p {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 2px;
}

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

.admin-table th,
.admin-table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
    font-size: 14px;
}

.admin-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-table tr:hover {
    background: var(--gray-50);
}

.admin-table .product-img {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    object-fit: cover;
    background: var(--gray-200);
}

.admin-table .product-img-placeholder {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--gray-500);
}

.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-active {
    background: #dcfce7;
    color: #166534;
}

.badge-inactive {
    background: #fef2f2;
    color: #991b1b;
}

.badge-featured {
    background: #fef3c7;
    color: #92400e;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: 0.2s;
    font-family: 'Inter', sans-serif;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

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

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

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

.actions {
    display: flex;
    gap: 6px;
}

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    transition: 0.2s;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(196,30,58,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 5px;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.form-check label {
    margin: 0;
    font-weight: 500;
}

.image-preview {
    width: 120px;
    height: 120px;
    border-radius: 10px;
    border: 2px dashed var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 8px;
    background: var(--gray-50);
}

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

.image-preview .placeholder {
    font-size: 30px;
    color: var(--gray-300);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-500);
}

.empty-state i {
    font-size: 50px;
    color: var(--gray-300);
    margin-bottom: 15px;
}

.empty-state h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--gray-700);
    font-family: 'Inter', sans-serif;
}

.empty-state p {
    font-size: 14px;
    margin-bottom: 20px;
}

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

.login-card {
    background: white;
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

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

.login-card .logo img {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    margin-bottom: 12px;
}

.login-card .logo h2 {
    font-size: 22px;
    font-family: 'Inter', sans-serif;
}

.login-card .logo p {
    font-size: 13px;
    color: var(--gray-500);
}

.login-card .btn-primary {
    width: 100%;
    padding: 12px;
    font-size: 15px;
    justify-content: center;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }

    .sidebar-header h2,
    .sidebar-nav a span,
    .sidebar-footer span {
        display: none;
    }

    .sidebar-nav a {
        justify-content: center;
        padding: 12px;
    }

    .sidebar-nav a i {
        margin: 0;
    }

    .admin-main {
        margin-left: 60px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .topbar-search {
        display: none;
    }

    .profile-name {
        display: none;
    }

    .sidebar-nav a span,
    .sidebar-footer span {
        display: none;
    }

    .sidebar-nav a {
        justify-content: center;
        padding: 12px;
    }

    .sidebar-nav a i {
        margin: 0;
    }

    .sidebar-header h2 {
        display: none;
    }

    .admin-topbar {
        padding: 12px 15px;
    }
}

/* Mobile (480px) */
@media (max-width: 480px) {
    .admin-content {
        padding: 15px;
    }

    .admin-topbar {
        padding: 10px 12px;
    }

    .stat-card {
        padding: 15px;
    }

    .stat-info h4 {
        font-size: 20px;
    }

    .admin-main {
        margin-left: 0;
    }

    .sidebar {
        transform: translateX(-100%);
        width: 250px;
        z-index: 100;
        transition: transform 0.3s ease;
    }

    .admin-layout.sidebar-open .sidebar {
        transform: translateX(0);
    }

    .topbar-left {
        flex-basis: auto !important;
    }

    .topbar-right {
        flex-basis: auto !important;
    }
}

/* Sidebar overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
}

.admin-layout.sidebar-open .sidebar-overlay {
    display: block;
}

/* ===== TOPBAR RIGHT ===== */
.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Search */
.topbar-search {
    position: relative;
}

.topbar-search i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
    font-size: 14px;
    pointer-events: none;
}

.topbar-search input {
    padding: 9px 14px 9px 36px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: 13px;
    font-family: 'Inter', sans-serif;
    width: 200px;
    background: var(--gray-50);
    transition: 0.2s;
}

.topbar-search input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(196,30,58,0.08);
    background: white;
    width: 240px;
}

/* Profile Dropdown */
.profile-dropdown {
    position: relative;
}

.profile-trigger {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.2s;
}

.profile-trigger:hover {
    background: var(--gray-100);
}

.profile-avatar {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
}

.profile-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
}

.profile-trigger .fa-chevron-down {
    font-size: 11px;
    color: var(--gray-500);
    transition: 0.2s;
}

.profile-dropdown.open .fa-chevron-down {
    transform: rotate(180deg);
}

.profile-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    width: 240px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 9999;
    overflow: hidden;
}

.profile-dropdown.open .profile-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.profile-menu-header {
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--gray-50);
}

.profile-avatar-lg {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}

.profile-menu-header strong {
    font-size: 14px;
    display: block;
    color: var(--gray-900);
}

.profile-menu-header p {
    font-size: 12px;
    color: var(--gray-500);
    margin: 0;
}

.profile-menu-divider {
    height: 1px;
    background: var(--gray-200);
}

.profile-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 11px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    text-decoration: none;
    border: none;
    background: none;
    cursor: pointer;
    transition: 0.15s;
    font-family: 'Inter', sans-serif;
    text-align: left;
}

.profile-menu-item:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.profile-menu-item.logout {
    color: var(--danger);
}

.profile-menu-item.logout:hover {
    background: #fef2f2;
    color: var(--danger);
}

.profile-menu-item i {
    width: 18px;
    text-align: center;
    font-size: 14px;
}

/* Pagination */
.pagination-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 20px;
}

.pagination-wrap a,
.pagination-wrap span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: 0.2s;
    font-family: 'Inter', sans-serif;
}

.pagination-wrap a {
    background: white;
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}

.pagination-wrap a:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
}

.pagination-wrap .active {
    background: var(--primary);
    color: white;
    border: 1px solid var(--primary);
}

.pagination-wrap .disabled {
    color: var(--gray-300);
    cursor: not-allowed;
    border: 1px solid var(--gray-200);
    background: var(--gray-50);
}