:root {
    --bg: #f0f6fc;
    --surface: #ffffff;
    --surface-2: #e8f2fc;
    --text: #1a3352;
    --muted: #5a7090;
    --accent: #0066cc;
    --accent-hover: #004d99;
    --accent-light: #dbeafe;
    --success: #0d7a47;
    --danger: #c62828;
    --border: #c5d9ef;
    --nav-bg: #0066cc;
    --nav-text: #ffffff;
    --nav-muted: rgba(255, 255, 255, 0.85);
    --radius: 8px;
    --font: "Segoe UI", system-ui, sans-serif;
    --shadow: 0 1px 3px rgba(0, 51, 102, 0.08);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

a {
    color: var(--accent);
}

a:hover {
    color: var(--accent-hover);
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 0.75rem 1.5rem;
    background: var(--nav-bg);
    border-bottom: none;
    box-shadow: var(--shadow);
    flex-wrap: wrap;
}

.nav-menu a {
    color: var(--nav-muted);
    text-decoration: none;
    font-weight: 500;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--nav-text);
}

.nav-menu .brand {
    font-weight: 700;
    color: var(--nav-text);
    margin-right: 0.5rem;
}

.nav-logout-form {
    display: inline;
    margin: 0;
}

.nav-menu .btn-link {
    color: var(--nav-text);
}

.nav-menu .btn-link:hover {
    color: var(--nav-muted);
}

.nav-spacer {
    flex: 1;
}

.nav-user {
    color: var(--nav-muted);
    font-size: 0.9rem;
}

.main-content {
    padding: 1.5rem 2rem 3rem;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

h1 {
    margin: 0 0 0.5rem;
    font-size: 1.75rem;
    color: var(--accent);
}

h2 {
    margin: 2rem 0 1rem;
    font-size: 1.25rem;
    color: var(--text);
}

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

.mono {
    font-family: Consolas, monospace;
    font-size: 0.85rem;
    word-break: break-all;
}

.toolbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.toolbar label {
    color: var(--muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow);
}

.stat-card h3 {
    margin: 0 0 0.25rem;
    font-size: 1.1rem;
    color: var(--accent);
}

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.auth-card {
    max-width: 400px;
    margin: 3rem auto;
    padding: 2rem;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 4px 16px rgba(0, 102, 204, 0.12);
}

.auth-card h1 {
    color: var(--accent);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.page-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.form-control {
    width: 100%;
    max-width: 320px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--surface);
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn-secondary:hover {
    background: var(--accent-light);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #a31f1f;
}

.btn-danger:disabled,
.btn-secondary:disabled,
.btn-primary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.clear-logs-panel h2 {
    margin-top: 0;
}

.clear-logs-actions {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.clear-logs-days {
    margin-bottom: 0;
    min-width: 12rem;
}

.clear-logs-days .form-control {
    max-width: 8rem;
}

.clear-logs-confirm {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

.btn-link {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    padding: 0 0.5rem;
    text-decoration: underline;
}

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

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.data-table th,
.data-table td {
    padding: 0.65rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    background: var(--accent);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
}

.data-table tbody tr:hover {
    background: var(--surface-2);
}

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

.actions {
    white-space: nowrap;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-active {
    background: #d4edda;
    color: #0d5c36;
}

.badge-inactive {
    background: #e9ecef;
    color: #5a6578;
}

.badge-maintenance {
    background: #fff3cd;
    color: #856404;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.alert-success {
    background: #e8f5ee;
    border: 1px solid #a8d5ba;
    color: #0d5c36;
}

.alert-error {
    background: #fdecea;
    border: 1px solid #f5c2c0;
    color: #b71c1c;
}

.form-hint {
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.api-key-panel {
    border-color: var(--accent);
    background: var(--accent-light);
}

.api-key-value {
    font-size: 1rem;
    padding: 0.75rem;
    background: var(--surface);
    border: 1px dashed var(--accent);
    border-radius: var(--radius);
    margin: 0.5rem 0 1rem;
}

#blazor-error-ui {
    background: var(--accent);
    color: #fff;
    bottom: 0;
    box-shadow: 0 -1px 4px rgba(0, 51, 102, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 0.5rem;
    color: #fff;
}