:root {
    --admin-bg: #f6f8fb;
    --admin-card: #ffffff;
    --admin-text: #121722;
    --admin-muted: #5b6472;
    --admin-line: #dce2ec;
    --admin-primary: #1f5eff;
    --admin-danger: #d73a49;
    --admin-success: #177d3e;
    --admin-shadow: 0 10px 24px rgba(15, 34, 70, 0.08);
}

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

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

.admin-login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
}

.admin-login {
    width: min(440px, calc(100% - 24px));
    background: var(--admin-card);
    border-radius: 16px;
    padding: 26px;
    box-shadow: var(--admin-shadow);
    border: 1px solid var(--admin-line);
}

.admin-login h1 {
    margin: 0 0 6px;
    font-size: 32px;
}

.admin-login p {
    margin: 0 0 18px;
    color: var(--admin-muted);
}

.admin-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 255px 1fr;
}

.admin-sidebar {
    background: #0f172a;
    color: #fff;
    display: flex;
    flex-direction: column;
    padding: 18px;
}

.admin-logo {
    font-size: 22px;
    font-weight: 900;
    margin-bottom: 18px;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.admin-nav a {
    color: rgba(255, 255, 255, 0.86);
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 10px;
    font-weight: 700;
}

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

.admin-sidebar__footer {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.admin-user {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 8px;
}

.admin-logout {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
}

.admin-content {
    padding: 18px;
}

.admin-top h1 {
    margin: 0 0 16px;
    font-size: 30px;
}

.admin-panel {
    background: var(--admin-card);
    border: 1px solid var(--admin-line);
    border-radius: 14px;
    box-shadow: var(--admin-shadow);
    padding: 16px;
    margin-bottom: 16px;
}

.admin-panel h2 {
    margin: 0 0 12px;
    font-size: 22px;
}

.admin-note {
    margin: -4px 0 14px;
    color: var(--admin-muted);
    font-size: 14px;
    line-height: 1.5;
}

.admin-cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.admin-card {
    background: var(--admin-card);
    border: 1px solid var(--admin-line);
    border-radius: 12px;
    padding: 14px;
}

.admin-card h2 {
    font-size: 16px;
    margin: 0 0 8px;
}

.admin-card strong {
    display: block;
    font-size: 30px;
    margin-bottom: 6px;
}

.admin-card a {
    color: var(--admin-primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
}

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

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

.admin-form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    color: var(--admin-muted);
}

.admin-form input[type="text"],
.admin-form input[type="password"],
.admin-form input[type="datetime-local"],
.admin-form input[type="number"],
.admin-form select,
.admin-form textarea {
    border: 1px solid var(--admin-line);
    border-radius: 10px;
    padding: 10px 12px;
    font: inherit;
    color: var(--admin-text);
    background: #fff;
}

.admin-form textarea {
    resize: vertical;
    min-height: 88px;
}

.admin-form__actions {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: flex-start;
}

.btn-admin {
    border: 1px solid var(--admin-primary);
    background: var(--admin-primary);
    color: #fff;
    border-radius: 10px;
    padding: 10px 14px;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.btn-admin--ghost {
    background: transparent;
    color: var(--admin-primary);
}

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

.admin-table th,
.admin-table td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--admin-line);
    text-align: left;
    vertical-align: top;
    font-size: 14px;
}

.admin-table th {
    color: var(--admin-muted);
    font-weight: 700;
}

.table-link {
    background: transparent;
    border: none;
    color: var(--admin-primary);
    text-decoration: none;
    padding: 0;
    font: inherit;
    cursor: pointer;
    margin-right: 8px;
}

.table-link--danger {
    color: var(--admin-danger);
}

.inline-form {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.inline-form input[type="password"] {
    padding: 6px 8px;
}

.alert {
    border-radius: 10px;
    border: 1px solid transparent;
    padding: 10px 12px;
    margin-bottom: 12px;
}

.alert--success {
    border-color: rgba(23, 125, 62, 0.28);
    background: rgba(23, 125, 62, 0.1);
    color: var(--admin-success);
}

.alert--error {
    border-color: rgba(215, 58, 73, 0.28);
    background: rgba(215, 58, 73, 0.08);
    color: var(--admin-danger);
}

.section-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 12px;
}

.section-tabs a {
    text-decoration: none;
    border: 1px solid var(--admin-line);
    color: var(--admin-text);
    padding: 8px 10px;
    border-radius: 999px;
    font-size: 13px;
}

.section-tabs a.is-active {
    border-color: var(--admin-primary);
    color: var(--admin-primary);
    font-weight: 700;
}

.col-span-2 {
    grid-column: span 2;
}

.admin-help {
    margin: -4px 0 12px;
    color: var(--admin-muted);
    font-size: 14px;
}

@media (max-width: 1120px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: sticky;
        top: 0;
        z-index: 50;
    }

    .admin-nav {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .admin-sidebar__footer {
        margin-top: 12px;
    }

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

@media (max-width: 760px) {
    .admin-cards {
        grid-template-columns: 1fr;
    }

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

    .col-span-2 {
        grid-column: span 1;
    }
}