:root {
    font-family: system-ui, sans-serif;
    line-height: 1.5;
    color: #1a1a1a;
    background: #f7f7f8;
}

body {
    margin: 0;
}

.layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.layout-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: #fff;
    border-bottom: 1px solid #ddd;
}

.layout-brand {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.layout-user {
    font-size: 0.85rem;
    color: #555;
}

.layout-header-actions a {
    color: #0b5fff;
    text-decoration: none;
    font-weight: 500;
}

.layout-body {
    display: flex;
    flex: 1;
    min-height: 0;
}

.layout-sidebar {
    width: 220px;
    flex-shrink: 0;
    background: #fff;
    border-right: 1px solid #ddd;
    padding: 1rem 0;
}

.layout-main {
    flex: 1;
    max-width: 960px;
    padding: 1.5rem;
    overflow-y: auto;
}

.nav-menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu-link {
    display: block;
    padding: 0.5rem 1.25rem;
    color: #333;
    text-decoration: none;
}

.nav-menu-link:hover {
    background: #f0f4ff;
    color: #0b5fff;
}

.page-lead {
    color: #555;
    margin-top: -0.25rem;
}

h1 {
    margin-top: 0;
}

code {
    background: #eee;
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
}

.placeholder-card {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1.25rem;
    margin-top: 1rem;
}

.status-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #555;
    background: #eee;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    margin-bottom: 0.75rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
    margin-top: 1.25rem;
}

.dashboard-card {
    display: block;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1.25rem;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.dashboard-card:hover {
    border-color: #0b5fff;
    box-shadow: 0 2px 8px rgba(11, 95, 255, 0.12);
}

.dashboard-card h2 {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
}

.dashboard-card p {
    margin: 0 0 0.75rem;
    font-size: 0.9rem;
    color: #555;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    margin-top: 1rem;
}

.admin-table th,
.admin-table td {
    padding: 0.65rem 0.85rem;
    text-align: left;
    border-bottom: 1px solid #eee;
    vertical-align: top;
}

.admin-table th {
    background: #f5f5f7;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #555;
}

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

.admin-state {
    margin-top: 1rem;
    padding: 0.85rem 1rem;
    border-radius: 6px;
    background: #fff;
    border: 1px solid #ddd;
}

.admin-state-loading {
    color: #555;
}

.admin-state-empty {
    color: #555;
}

.admin-alert {
    margin-top: 1rem;
    padding: 0.85rem 1rem;
    border-radius: 6px;
}

.admin-alert-error {
    background: #fdecea;
    border: 1px solid #f5c2c0;
    color: #842029;
}

.admin-alert p {
    margin: 0.35rem 0 0;
}

.admin-alert-success {
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
    color: #1b5e20;
}

.admin-validation-list {
    margin: 0.5rem 0 0;
    padding-left: 1.25rem;
}

.admin-action-bar {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin: 1rem 0;
}

.admin-table-actions {
    white-space: nowrap;
}

.admin-table-actions a {
    color: #0b5fff;
    text-decoration: none;
}

.admin-detail-list {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1rem 1.25rem;
    margin-top: 1rem;
}

.admin-detail-list dt {
    font-weight: 600;
    margin-top: 0.75rem;
}

.admin-detail-list dt:first-child {
    margin-top: 0;
}

.admin-detail-list dd {
    margin: 0.15rem 0 0;
}

.admin-form-section {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1.25rem;
    margin: 1.25rem 0;
}

.admin-form-section h2 {
    margin-top: 0;
    font-size: 1.05rem;
}

.form-field {
    margin-bottom: 1rem;
}

.form-field label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.35rem;
}

.form-field-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-field-checkbox label {
    margin: 0;
}

.form-control {
    width: 100%;
    max-width: 32rem;
    padding: 0.5rem 0.65rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font: inherit;
    box-sizing: border-box;
}

textarea.form-control {
    resize: vertical;
    min-height: 4rem;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: 1px solid transparent;
    font: inherit;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    line-height: 1.25;
}

.btn-primary {
    background: #0b5fff;
    color: #fff;
    border-color: #0b5fff;
}

.btn-primary:hover {
    background: #094bcc;
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    background: #fff;
    color: #333;
    border-color: #ccc;
}

.btn-secondary:hover {
    background: #f5f5f5;
}

.validation-message {
    color: #842029;
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.validation-summary-errors {
    color: #842029;
    background: #fdecea;
    border: 1px solid #f5c2c0;
    border-radius: 6px;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
}

[role="alert"] {
    padding: 0.75rem 1rem;
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 6px;
    color: #664d03;
}

@media (max-width: 768px) {
    .layout-body {
        flex-direction: column;
    }

    .layout-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #ddd;
    }

    .nav-menu-list {
        display: flex;
        flex-wrap: wrap;
        gap: 0.25rem;
        padding: 0 0.5rem;
    }

    .nav-menu-link {
        padding: 0.4rem 0.75rem;
        border-radius: 4px;
    }
}