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

:root {
    --admin-bg: #f4f7fb;
    --admin-surface: #ffffff;
    --admin-surface-soft: #f8fbff;
    --admin-text: #142033;
    --admin-muted: #66758a;
    --admin-border: #e5ebf3;
    --admin-primary: #0f6a52;
    --admin-primary-dark: #0b5240;
    --admin-primary-soft: rgba(15, 106, 82, 0.08);
    --admin-accent: #d8b36a;
    --admin-danger: #d64545;
    --admin-success: #1f9d63;
    --admin-warning: #d99312;
    --admin-sidebar: #0d1b2a;
    --admin-sidebar-2: #122338;
    --admin-sidebar-text: rgba(255, 255, 255, 0.82);
    --admin-sidebar-active: #ffffff;
    --admin-shadow-sm: 0 10px 24px rgba(15, 23, 42, 0.06);
    --admin-shadow-md: 0 18px 40px rgba(15, 23, 42, 0.08);
    --admin-radius-sm: 12px;
    --admin-radius-md: 18px;
    --admin-radius-lg: 24px;
    --admin-transition: 0.25s ease;
    --sidebar-width: 290px;
}

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

body {
    font-size: 15px;
    line-height: 1.55;
}

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

img {
    max-width: 100%;
    display: block;
}

button,
input,
select,
textarea {
    font: inherit;
}

.admin-shell {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    min-height: 100vh;
}

.admin-sidebar {
    background:
        linear-gradient(180deg, var(--admin-sidebar) 0%, var(--admin-sidebar-2) 100%);
    color: var(--admin-sidebar-text);
    padding: 28px 20px 24px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    border-right: 1px solid rgba(255, 255, 255, 0.04);
}

.admin-sidebar-brand {
    padding: 6px 8px 18px;
    margin-bottom: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-sidebar-brand h2 {
    margin: 0 0 6px;
    font-size: 28px;
    line-height: 1.05;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.03em;
}

.admin-sidebar-brand p {
    margin: 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.62);
}

.admin-sidebar-nav {
    display: grid;
    gap: 8px;
}

.admin-sidebar-nav a {
    display: flex;
    align-items: center;
    min-height: 46px;
    padding: 11px 14px;
    border-radius: 14px;
    font-weight: 600;
    color: var(--admin-sidebar-text);
    transition: var(--admin-transition);
}

.admin-sidebar-nav a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--admin-sidebar-active);
    transform: translateX(2px);
}

.admin-sidebar-nav a.active {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.admin-main {
    min-width: 0;
    padding: 28px;
}

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

.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 26px;
}

.admin-topbar h1 {
    margin: 0 0 8px;
    font-size: 30px;
    line-height: 1.08;
    letter-spacing: -0.03em;
}

.admin-topbar p {
    margin: 0;
    color: var(--admin-muted);
    font-size: 15px;
}

.admin-topbar-right {
    display: flex;
    align-items: flex-end;
    gap: 14px;
    flex-wrap: wrap;
}

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

.admin-template-switcher label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--admin-muted);
}

.admin-template-switcher select {
    min-width: 280px;
    height: 46px;
    border-radius: 14px;
    border: 1px solid var(--admin-border);
    background: var(--admin-surface);
    color: var(--admin-text);
    padding: 0 14px;
    box-shadow: var(--admin-shadow-sm);
    outline: none;
}

.admin-user-box {
    min-width: 180px;
    padding: 12px 14px;
    border-radius: 16px;
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    box-shadow: var(--admin-shadow-sm);
    display: grid;
    gap: 4px;
}

.admin-user-box strong {
    font-size: 14px;
    font-weight: 800;
}

.admin-user-box span {
    font-size: 13px;
    color: var(--admin-muted);
}

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

.admin-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.admin-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.admin-grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.admin-card {
    padding: 24px;
}

.admin-stat-card {
    padding: 22px 20px;
    position: relative;
    overflow: hidden;
}

.admin-stat-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 5px;
    background: linear-gradient(180deg, var(--admin-primary), var(--admin-accent));
}

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

.admin-card h2 {
    margin-bottom: 16px;
    font-size: 24px;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.admin-stat-card h3 {
    margin-bottom: 10px;
    color: var(--admin-muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 800;
}

.admin-stat-card strong {
    display: block;
    font-size: 32px;
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: var(--admin-text);
}

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

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
}

.admin-card-header h2 {
    margin: 0;
}

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

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

.admin-form-group label {
    font-weight: 700;
    font-size: 14px;
    color: var(--admin-text);
}

.admin-form-group input,
.admin-form-group select,
.admin-form-group textarea {
    width: 100%;
    border: 1px solid var(--admin-border);
    background: #ffffff;
    color: var(--admin-text);
    border-radius: 14px;
    padding: 13px 15px;
    outline: none;
    transition: var(--admin-transition);
}

.admin-form-group input:focus,
.admin-form-group select:focus,
.admin-form-group textarea:focus,
.admin-template-switcher select:focus {
    border-color: rgba(15, 106, 82, 0.35);
    box-shadow: 0 0 0 4px rgba(15, 106, 82, 0.08);
}

.admin-form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.admin-btn {
    border: 0;
    border-radius: 14px;
    padding: 12px 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 800;
    cursor: pointer;
    transition: var(--admin-transition);
}

.admin-btn:hover {
    transform: translateY(-1px);
}

.admin-btn-primary {
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-primary-dark));
    color: #ffffff;
    box-shadow: 0 12px 22px rgba(15, 106, 82, 0.16);
}

.admin-btn-danger {
    background: linear-gradient(135deg, #db4c4c, #c93232);
    color: #ffffff;
    box-shadow: 0 12px 22px rgba(201, 50, 50, 0.14);
}

.admin-btn-secondary {
    background: #eef3f8;
    color: var(--admin-text);
}

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

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

.admin-alert {
    padding: 14px 16px;
    border-radius: 14px;
    font-weight: 700;
    border: 1px solid transparent;
}

.admin-alert-success {
    background: rgba(31, 157, 99, 0.08);
    color: var(--admin-success);
    border-color: rgba(31, 157, 99, 0.14);
}

.admin-alert-danger {
    background: rgba(214, 69, 69, 0.08);
    color: var(--admin-danger);
    border-color: rgba(214, 69, 69, 0.14);
}

.admin-table-wrap {
    overflow-x: auto;
    border-radius: 16px;
    border: 1px solid var(--admin-border);
}

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

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

.admin-table thead th {
    background: #f8fbff;
    color: var(--admin-text);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 800;
}

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

.admin-thumb {
    width: 78px;
    height: 58px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--admin-border);
}

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

.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: 14px 14px;
    border-radius: 14px;
    border: 1px solid var(--admin-border);
    background: var(--admin-surface-soft);
}

.admin-kv {
    display: grid;
    gap: 14px;
}

.admin-kv-row {
    display: grid;
    grid-template-columns: 170px 1fr;
    gap: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--admin-border);
}

.admin-kv-row strong {
    color: var(--admin-text);
}

.admin-login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background:
        radial-gradient(circle at top left, rgba(216, 179, 106, 0.18), transparent 25%),
        linear-gradient(135deg, #0d1b2a, #12324b);
}

.admin-login-wrapper {
    width: min(100% - 24px, 450px);
}

.admin-login-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 28px;
    padding: 34px;
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.admin-login-card h1 {
    margin: 0 0 8px;
    font-size: 32px;
    line-height: 1.05;
    letter-spacing: -0.03em;
}

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

@media (max-width: 1280px) {
    .admin-grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 1024px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: relative;
        height: auto;
    }

    .admin-main {
        padding: 20px;
    }

    .admin-topbar,
    .admin-card-header {
        flex-direction: column;
        align-items: stretch;
    }

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

    .admin-template-switcher select,
    .admin-user-box {
        min-width: 100%;
    }
}

@media (max-width: 640px) {
    .admin-sidebar-brand h2 {
        font-size: 24px;
    }

    .admin-topbar h1 {
        font-size: 26px;
    }

    .admin-card,
    .admin-stat-card {
        padding: 18px;
    }

    .admin-kv-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}