:root {
    --admin-bg: #f4f7fb;
    --admin-surface: #ffffff;
    --admin-border: #d9e3ef;
    --admin-text: #203040;
    --admin-primary: #0f766e;
}

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

.admin-sidebar {
    background: #113341;
    color: #eef7fa;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.admin-sidebar h2 {
    margin-top: 0;
    color: #fff;
}

.admin-sidebar a {
    color: #d2ebf3;
    text-decoration: none;
    padding: 8px 10px;
    border-radius: 8px;
}

.admin-sidebar a:hover {
    background: rgba(255, 255, 255, 0.14);
}

.admin-main {
    background: var(--admin-bg);
    padding: 24px;
}

.admin-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    padding: 18px;
    margin-bottom: 16px;
}

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

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

.admin-form {
    display: grid;
    gap: 12px;
}

.admin-form input,
.admin-form textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #bfcddd;
    border-radius: 8px;
    font: inherit;
}

.admin-form textarea {
    min-height: 110px;
}

.btn {
    display: inline-block;
    border: 0;
    border-radius: 8px;
    background: var(--admin-primary);
    color: #fff;
    padding: 10px 14px;
    text-decoration: none;
    cursor: pointer;
}

.btn-danger {
    background: #bf1e2e;
}

.btn-secondary {
    background: #60758a;
}

.inline-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.flash-msg {
    background: #d5f3ea;
    border: 1px solid #b2e7d9;
    color: #134e43;
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 12px;
}

.login-wrap {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: #eef4f8;
}

.login-card {
    width: min(420px, 92%);
    background: #fff;
    border: 1px solid #d8e2ec;
    border-radius: 12px;
    padding: 24px;
}

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