*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --admin-bg: #f5f7fb;
    --admin-card: #ffffff;
    --admin-text: #1f2937;
    --admin-muted: #6b7280;
    --admin-border: #e5e7eb;
    --admin-primary: #0f6a52;
    --admin-danger: #c62828;
    --admin-success: #157347;
    --admin-sidebar: #0d1f1a;
    --admin-sidebar-text: rgba(255,255,255,0.85);
    --admin-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
    --admin-radius: 18px;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
}

a {
    text-decoration: none;
    color: inherit;
}

.admin-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.admin-sidebar {
    background: var(--admin-sidebar);
    color: var(--admin-sidebar-text);
    padding: 28px 22px;
}

.admin-sidebar-brand h2 {
    margin: 0 0 6px;
    color: #fff;
}

.admin-sidebar-brand p {
    margin: 0 0 24px;
    color: rgba(255,255,255,0.65);
}

.admin-sidebar-nav {
    display: grid;
    gap: 10px;
}

.admin-sidebar-nav a {
    padding: 12px 14px;
    border-radius: 12px;
    transition: 0.2s ease;
}

.admin-sidebar-nav a:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}

.admin-main {
    padding: 24px;
}

.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 18px;
    margin-bottom: 24px;
}

.admin-topbar h1 {
    margin: 0 0 6px;
}

.admin-topbar p {
    margin: 0;
    color: var(--admin-muted);
}

.admin-topbar-right {
    display: flex;
    align-items: end;
    gap: 18px;
    flex-wrap: wrap;
}

.admin-template-switcher {
    display: grid;
    gap: 8px;
}

.admin-template-switcher label {
    font-size: 13px;
    font-weight: 700;
    color: var(--admin-muted);
}

.admin-template-switcher select {
    min-width: 240px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--admin-border);
    background: #fff;
}

.admin-user-box {
    display: grid;
    gap: 4px;
    padding: 12px 14px;
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    background: #fff;
}

.admin-content {
    display: grid;
    gap: 24px;
}

.admin-card,
.admin-stat-card {
    background: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    padding: 22px;
}

.admin-card h2,
.admin-stat-card h3 {
    margin-top: 0;
}

.admin-stat-card h3 {
    margin-bottom: 10px;
    color: var(--admin-muted);
    font-size: 15px;
}

.admin-stat-card strong {
    font-size: 30px;
}

.admin-grid {
    display: grid;
    gap: 18px;
}

.admin-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.admin-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.admin-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.admin-form {
    display: grid;
    gap: 18px;
}

.admin-form-group {
    display: grid;
    gap: 8px;
}

.admin-form-group label {
    font-weight: 700;
    font-size: 14px;
}

.admin-form-group input,
.admin-form-group textarea,
.admin-form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    background: #fff;
    font: inherit;
    color: var(--admin-text);
}

.admin-btn {
    border: 0;
    border-radius: 12px;
    padding: 12px 18px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.admin-btn-primary {
    background: var(--admin-primary);
    color: #fff;
}

.admin-btn-danger {
    background: var(--admin-danger);
    color: #fff;
}

.admin-btn-sm {
    padding: 8px 12px;
    font-size: 13px;
}

.admin-btn-block {
    width: 100%;
}

.admin-alert {
    padding: 14px 16px;
    border-radius: 14px;
    font-weight: 700;
}

.admin-alert-success {
    background: #e8f7ee;
    color: var(--admin-success);
}

.admin-alert-danger {
    background: #fdeaea;
    color: var(--admin-danger);
}

.admin-table-wrap {
    overflow-x: auto;
}

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

.admin-table th,
.admin-table td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--admin-border);
    text-align: left;
    vertical-align: top;
}

.admin-table thead th {
    background: #f8fafc;
}

.admin-thumb {
    width: 72px;
    height: 56px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--admin-border);
}

.admin-action-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.admin-simple-list {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.admin-simple-list li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    background: #fafbfc;
}

.admin-login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #0d1f1a, #123229);
}

.admin-login-wrapper {
    width: min(100% - 24px, 440px);
}

.admin-login-card {
    background: #fff;
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--admin-shadow);
}

.admin-login-card h1 {
    margin: 0 0 8px;
}

.admin-login-card p {
    margin: 0 0 24px;
    color: var(--admin-muted);
}

@media (max-width: 1200px) {
    .admin-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-grid-2,
    .admin-grid-3,
    .admin-grid-4 {
        grid-template-columns: 1fr;
    }

    .admin-topbar,
    .admin-card-header {
        flex-direction: column;
        align-items: stretch;
    }
}
:root{
    --admin-primary:#1d4ed8;
    --admin-primary-dark:#1e3a8a;
    --admin-sidebar:#0f172a;
    --admin-sidebar-soft:#111c34;
    --admin-accent:#dbeafe;
    --admin-border:#dbe3f0;
    --admin-success:#16a34a;
    --admin-danger:#dc2626;
    --admin-text:#1f2937;
    --admin-muted:#6b7280;
    --admin-surface:#ffffff;
    --admin-bg:#f4f7fb;
}

body{
    background:var(--admin-bg);
    color:var(--admin-text);
}

.admin-sidebar{
    background:linear-gradient(180deg,var(--admin-sidebar),var(--admin-primary-dark));
    color:#ffffff;
}

.admin-sidebar-brand h2,
.admin-sidebar-brand p,
.admin-sidebar-nav a{
    color:#ffffff;
}

.admin-sidebar-nav a:hover,
.admin-sidebar-nav a.active{
    background:rgba(255,255,255,0.12);
    color:#ffffff;
}

.admin-topbar{
    background:#ffffff;
    border-bottom:1px solid var(--admin-border);
}

.admin-user-box{
    background:#ffffff;
    border:1px solid var(--admin-border);
}

.admin-card,
.admin-stat-card{
    background:var(--admin-surface);
    border:1px solid var(--admin-border);
    box-shadow:0 14px 34px rgba(15,23,42,0.06);
}

.admin-btn-primary{
    background:var(--admin-primary);
    border-color:var(--admin-primary);
    color:#ffffff;
}

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

.admin-alert-success{
    background:#ecfdf3;
    border:1px solid #bbf7d0;
    color:#166534;
}

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

.admin-table thead th{
    background:#eff6ff;
    color:#1e3a8a;
}

.admin-template-switcher select:focus,
.admin-form input:focus,
.admin-form textarea:focus,
.admin-form select:focus{
    border-color:var(--admin-primary);
    box-shadow:0 0 0 4px rgba(29,78,216,0.10);
}