/**
 * Simple admin layout — clean & readable
 */
:root {
    --a-bg: #f6f7fb;
    --a-ink: #2d3436;
    --a-card: #ffffff;
    --a-border: #dfe6e9;
    --a-accent: #6c5ce7;
    --a-muted: #636e72;
}

body.admin-body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--a-bg);
    color: var(--a-ink);
}

.admin-shell {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

.admin-nav {
    background: #2d3436;
    color: #dfe6e9;
    padding: 20px 16px;
}

.admin-brand {
    display: block;
    text-decoration: none;
    margin-bottom: 6px;
}

.admin-brand img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 44px;
    object-fit: contain;
    filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.35));
}

.admin-nav a {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    color: inherit;
    text-decoration: none;
    margin-bottom: 6px;
}

.admin-nav a:hover,
.admin-nav a.is-active {
    background: rgba(255, 255, 255, 0.08);
}

.admin-main {
    padding: 24px;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.table-wrap {
    overflow-x: auto;
    background: var(--a-card);
    border-radius: 12px;
    border: 1px solid var(--a-border);
}

table.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.admin-table th,
.admin-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--a-border);
    text-align: left;
    vertical-align: top;
}

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

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
}

.badge-pending {
    background: #ffeaa7;
}

.badge-approved {
    background: #55efc4;
}

.badge-rejected {
    background: #fab1a0;
}

.badge-completed {
    background: #74b9ff;
    color: #fff;
}

.grid-form {
    display: grid;
    gap: 14px;
    max-width: 720px;
}

.grid-form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-weight: 600;
}

.grid-form input,
.grid-form textarea,
.grid-form select {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--a-border);
    font: inherit;
}

.btn-sm {
    padding: 6px 12px;
    border-radius: 10px;
    border: 1px solid var(--a-border);
    background: #fff;
    cursor: pointer;
    font: inherit;
}

.btn-primary {
    background: var(--a-accent);
    color: #fff;
    border-color: transparent;
    font-weight: 700;
}

.alert {
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 14px;
}

.alert-err {
    background: #ffecec;
    border: 1px solid #fab1a0;
}

.alert-ok {
    background: #eafff5;
    border: 1px solid #55efc4;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 22px;
}

.stat-card {
    background: var(--a-card);
    border: 1px solid var(--a-border);
    border-radius: 12px;
    padding: 16px;
}

.stat-card strong {
    display: block;
    font-size: 1.6rem;
}

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

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

    .admin-nav a {
        margin: 0;
    }
}