/* ==========================================
   ADMIN LAYOUT - Café Tây Nguyên Theme
   ========================================== */

:root {
    --admin-sidebar-w: 260px;
    --admin-header-h: 64px;
    --admin-primary: #6F4E37;
    --admin-primary-dark: #5C3D2E;
    --admin-primary-light: #8B6F5E;
    --admin-accent: #D4A574;
    --admin-bg: #f4f1ed;
    --admin-card-bg: #ffffff;
    --admin-text: #2D2520;
    --admin-text-muted: #8B7355;
    --admin-border: #e8e0d8;
    --admin-success: #27ae60;
    --admin-danger: #e74c3c;
    --admin-warning: #f39c12;
    --admin-info: #2980b9;
    --admin-sidebar-bg: linear-gradient(180deg, #2D2520 0%, #3D3028 50%, #4A3B30 100%);
    --admin-radius: 12px;
    --admin-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    --admin-shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.1);
    --admin-transition: all 0.3s cubic-bezier(.4, 0, .2, 1);
}

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

body {
    font-family: 'Inter', 'Manrope', sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    overflow-x: hidden;
}

/* ==========================================
   ADMIN WRAPPER
   ========================================== */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ==========================================
   SIDEBAR
   ========================================== */
.admin-sidebar {
    width: var(--admin-sidebar-w);
    background: var(--admin-sidebar-bg);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    overflow-y: auto;
    transition: var(--admin-transition);
}

.admin-sidebar::-webkit-scrollbar {
    width: 4px;
}

.admin-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, .15);
    border-radius: 4px;
}

.sidebar-brand {
    padding: 22px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.sidebar-brand-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--admin-accent), #c49b6b);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.sidebar-brand-text {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    line-height: 1.2;
}

.sidebar-brand-text small {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    color: rgba(255, 255, 255, .45);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-top: 2px;
}

/* Sidebar Navigation */
.sidebar-nav {
    padding: 16px 0;
}

.sidebar-nav-label {
    padding: 12px 24px 8px;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: rgba(255, 255, 255, .35);
}

.sidebar-nav-item {
    list-style: none;
}

.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 24px;
    color: rgba(255, 255, 255, .65);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--admin-transition);
    border-left: 3px solid transparent;
    position: relative;
}

.sidebar-nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, .06);
    border-left-color: rgba(212, 165, 116, .4);
}

.sidebar-nav-link.active {
    color: #fff;
    background: rgba(212, 165, 116, .12);
    border-left-color: var(--admin-accent);
}

.sidebar-nav-link.active::before {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--admin-accent);
    border-radius: 3px 0 0 3px;
}

.sidebar-nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.sidebar-nav-link .nav-badge {
    margin-left: auto;
    background: var(--admin-accent);
    color: var(--admin-primary-dark);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    margin-top: auto;
}

.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, .5);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 8px 0;
    transition: var(--admin-transition);
}

.sidebar-footer a:hover {
    color: #fff;
}

/* ==========================================
   MAIN CONTENT AREA
   ========================================== */
.admin-main {
    flex: 1;
    margin-left: var(--admin-sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==========================================
   TOPBAR / HEADER
   ========================================== */
.admin-topbar {
    height: var(--admin-header-h);
    background: var(--admin-card-bg);
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .03);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-toggle {
    display: none;
    width: 38px;
    height: 38px;
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    background: none;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--admin-text);
    transition: var(--admin-transition);
}

.topbar-toggle:hover {
    background: var(--admin-bg);
}

.topbar-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--admin-text-muted);
}

.topbar-breadcrumb a {
    color: var(--admin-text-muted);
    text-decoration: none;
    transition: var(--admin-transition);
}

.topbar-breadcrumb a:hover {
    color: var(--admin-primary);
}

.topbar-breadcrumb .separator {
    opacity: .4;
}

.topbar-breadcrumb .current {
    color: var(--admin-text);
    font-weight: 600;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-btn {
    width: 38px;
    height: 38px;
    border: 1px solid var(--admin-border);
    border-radius: 10px;
    background: none;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--admin-text-muted);
    transition: var(--admin-transition);
    position: relative;
}

.topbar-btn:hover {
    background: var(--admin-bg);
    color: var(--admin-primary);
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px 6px 6px;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--admin-transition);
    text-decoration: none;
    color: inherit;
}

.topbar-user:hover {
    background: var(--admin-bg);
}

.topbar-user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--admin-accent), #c49b6b);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
}

.topbar-user-info {
    line-height: 1.2;
}

.topbar-user-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.topbar-user-role {
    font-size: 0.7rem;
    color: var(--admin-text-muted);
}

/* ==========================================
   PAGE CONTENT
   ========================================== */
.admin-content {
    flex: 1;
    padding: 28px 30px;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header-left h1 {
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--admin-text);
    margin-bottom: 4px;
}

.page-header-left p {
    font-size: 0.88rem;
    color: var(--admin-text-muted);
    margin: 0;
}

/* ==========================================
   ADMIN CARD
   ========================================== */
.admin-card {
    background: var(--admin-card-bg);
    border-radius: var(--admin-radius);
    border: 1px solid var(--admin-border);
    box-shadow: var(--admin-shadow);
    overflow: hidden;
    transition: var(--admin-transition);
}

.admin-card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #faf8f5;
}

.admin-card-header h5 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-card-header h5 i {
    color: var(--admin-primary);
    font-size: 0.9rem;
}

.admin-card-body {
    padding: 24px;
}

.admin-card-body.p-0 {
    padding: 0;
}

/* ==========================================
   ADMIN TABLE
   ========================================== */
.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table thead th {
    text-align: left;
    padding: 13px 18px;
    background: #faf8f5;
    color: var(--admin-primary-light);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--admin-border);
    white-space: nowrap;
}

.admin-table tbody td {
    padding: 14px 18px;
    border-bottom: 1px solid #f5f0eb;
    font-size: 0.9rem;
    color: var(--admin-text);
    vertical-align: middle;
}

.admin-table tbody tr {
    transition: var(--admin-transition);
}

.admin-table tbody tr:hover td {
    background: #faf8f5;
}

.admin-table tbody tr:last-child td {
    border-bottom: none;
}

.admin-table .table-img {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    object-fit: cover;
    border: 1px solid var(--admin-border);
}

.admin-table .table-name {
    font-weight: 600;
    color: var(--admin-text);
}

.admin-table .table-id {
    font-weight: 600;
    color: var(--admin-text-muted);
    font-size: 0.82rem;
}

.admin-table .table-price {
    font-weight: 700;
    color: var(--admin-primary);
}

/* ==========================================
   ADMIN BUTTONS
   ========================================== */
.btn-admin-primary {
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-primary-dark));
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    transition: var(--admin-transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-admin-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(111, 78, 55, .3);
    color: #fff;
}

.btn-admin-secondary {
    background: var(--admin-bg);
    color: var(--admin-text);
    border: 1px solid var(--admin-border);
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    transition: var(--admin-transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-admin-secondary:hover {
    background: var(--admin-border);
    color: var(--admin-text);
}

/* Action buttons */
.btn-action {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--admin-border);
    background: #fff;
    color: var(--admin-text-muted);
    cursor: pointer;
    transition: var(--admin-transition);
    text-decoration: none;
    font-size: 0.85rem;
}

.btn-action:hover {
    background: var(--admin-bg);
}

.btn-action.edit:hover {
    border-color: var(--admin-info);
    color: var(--admin-info);
}

.btn-action.delete:hover {
    border-color: var(--admin-danger);
    color: var(--admin-danger);
}

.btn-action.view:hover {
    border-color: var(--admin-success);
    color: var(--admin-success);
}

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

/* ==========================================
   ADMIN BADGE
   ========================================== */
.admin-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.76rem;
    font-weight: 600;
    white-space: nowrap;
}

.admin-badge.success {
    background: rgba(39, 174, 96, .1);
    color: var(--admin-success);
}

.admin-badge.danger {
    background: rgba(231, 76, 60, .1);
    color: var(--admin-danger);
}

.admin-badge.warning {
    background: rgba(243, 156, 18, .1);
    color: var(--admin-warning);
}

.admin-badge.info {
    background: rgba(41, 128, 185, .1);
    color: var(--admin-info);
}

.admin-badge.secondary {
    background: rgba(108, 117, 125, .1);
    color: #6c757d;
}

.admin-badge.primary {
    background: rgba(111, 78, 55, .1);
    color: var(--admin-primary);
}

/* ==========================================
   ADMIN FORM
   ========================================== */
.admin-form .form-group {
    margin-bottom: 20px;
}

.admin-form label,
.admin-form .form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--admin-text);
    margin-bottom: 6px;
    display: block;
}

.admin-form .form-control,
.admin-form .form-select {
    border: 1px solid var(--admin-border);
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 0.9rem;
    transition: var(--admin-transition);
    background: #fff;
}

.admin-form .form-control:focus,
.admin-form .form-select:focus {
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, .15);
    outline: none;
}

.admin-form .form-control.is-invalid {
    border-color: var(--admin-danger);
}

.admin-form .invalid-feedback,
.admin-form .text-danger {
    font-size: 0.8rem;
    margin-top: 4px;
}

/* ==========================================
   ALERTS (thống nhất)
   ========================================== */
.admin-alert {
    padding: 14px 20px;
    border-radius: var(--admin-radius);
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    animation: adminAlertIn 0.3s ease;
}

@keyframes adminAlertIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.admin-alert.success {
    background: rgba(39, 174, 96, .08);
    border-color: rgba(39, 174, 96, .2);
    color: #1e7e4a;
}

.admin-alert.danger {
    background: rgba(231, 76, 60, .08);
    border-color: rgba(231, 76, 60, .2);
    color: #c0392b;
}

.admin-alert.warning {
    background: rgba(243, 156, 18, .08);
    border-color: rgba(243, 156, 18, .2);
    color: #d68910;
}

.admin-alert.info {
    background: rgba(41, 128, 185, .08);
    border-color: rgba(41, 128, 185, .2);
    color: #2471a3;
}

.admin-alert .alert-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: .5;
    transition: var(--admin-transition);
    color: inherit;
}

.admin-alert .alert-close:hover {
    opacity: 1;
}

/* ==========================================
   STAT CARDS (Dashboard)
   ========================================== */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--admin-card-bg);
    border-radius: var(--admin-radius);
    padding: 22px;
    border: 1px solid var(--admin-border);
    box-shadow: var(--admin-shadow);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--admin-transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--admin-shadow-hover);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--admin-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #fff;
    flex-shrink: 0;
}

.stat-icon.products {
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-primary-dark));
}

.stat-icon.orders {
    background: linear-gradient(135deg, var(--admin-info), #2471a3);
}

.stat-icon.users {
    background: linear-gradient(135deg, #8e44ad, #7d3c98);
}

.stat-icon.revenue {
    background: linear-gradient(135deg, var(--admin-success), #1e8449);
}

.stat-info h3 {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--admin-text);
    line-height: 1;
}

.stat-info p {
    margin: 4px 0 0;
    font-size: 0.82rem;
    color: var(--admin-text-muted);
}

/* ==========================================
   EMPTY STATE
   ========================================== */
.admin-empty {
    text-align: center;
    padding: 50px 20px;
}

.admin-empty i {
    font-size: 3.5rem;
    color: var(--admin-border);
    margin-bottom: 16px;
}

.admin-empty h5 {
    color: var(--admin-text-muted);
    font-weight: 600;
    margin-bottom: 8px;
}

.admin-empty p {
    color: var(--admin-text-muted);
    font-size: 0.88rem;
    opacity: .7;
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1200px) {
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }

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

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

    .topbar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .admin-content {
        padding: 20px 16px;
    }

    .page-header {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }

    .admin-table {
        font-size: 0.82rem;
    }

    .admin-table thead th,
    .admin-table tbody td {
        padding: 10px 12px;
    }
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, .4);
    z-index: 999;
    backdrop-filter: blur(2px);
}

.sidebar-overlay.active {
    display: block;
}

/* ==========================================
   UTILITIES
   ========================================== */
.admin-divider {
    border: none;
    border-top: 1px solid var(--admin-border);
    margin: 20px 0;
}

.fw-700 {
    font-weight: 700 !important;
}

.text-primary-admin {
    color: var(--admin-primary) !important;
}

.text-muted-admin {
    color: var(--admin-text-muted) !important;
}

/* Keep auth form styles */
.divider {
    display: flex;
    align-items: center;
    gap: 15px;
}

.divider-line {
    flex: 1;
    border: none;
    border-top: 1px solid #dee2e6;
    margin: 0;
}

.divider-text {
    color: #6c757d;
    font-size: 14px;
    white-space: nowrap;
}

.login_google .btn-danger {
    background: linear-gradient(135deg, #dd4b39 0%, #c23321 100%);
    border: none;
    padding: 12px 24px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(221, 75, 57, 0.3);
}

.login_google .btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(221, 75, 57, 0.4);
    background: linear-gradient(135deg, #c23321 0%, #a52714 100%);
}

.login,
.register {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.login h1,
.register h1 {
    margin-bottom: 20px;
}

.form-control:focus {
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, .15);
}

/* ==========================================
   ADMIN FOOTER
   ========================================== */
.admin-footer {
    padding: 16px 30px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--admin-text-muted);
    border-top: 1px solid var(--admin-border);
    background: var(--admin-card-bg);
}