:root {
    /* Brand */
    --c-brand: #fcd34d;
    --c-brand-text: #78350f;

    /* Neutral / primary slate */
    --c-primary: #454961;
    --c-primary-hover: #5a5f7d;
    --c-bg: #fafafa;
    --c-surface: #ffffff;
    --c-ink: #0a0a0a;
    --c-text: #454961;
    --c-text-2: #6c7188;
    --c-text-3: #a1a1aa;
    --c-muted: #d4d4d8;
    --c-border: #e4e4e7;
    --c-border-inner: #f4f4f5;
    --c-ring: rgba(69, 73, 97, 0.18);

    /* Status */
    --c-success: #22c55e;
    --c-warning: #ca8a04;
    --c-danger: #ef4444;

    /* Accent (indigo) — external links to OVH */
    --c-shared: #4a56a1;
    --c-shared-light: #c5c9e3;

    /* Delete */
    --c-delete: #fca5a5;
    --c-delete-hover: #f87171;

    /* Shape */
    --radius-sm: 4px;
    --radius: 6px;
    --radius-lg: 8px;
    --radius-xl: 10px;
    --radius-xxl: 12px;
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    --shadow-focus: 0 0 0 2px var(--c-ring);
    --transition: 150ms ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--c-bg);
    color: var(--c-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.hidden {
    display: none !important;
}

/* Login Page */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 2rem;
    background: var(--c-surface);
    border-radius: var(--radius-xxl);
    box-shadow: var(--shadow-lg);
}

.login-container h1 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--c-primary);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.info-text {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--c-warning);
    font-size: 0.8rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.75rem;
    color: var(--c-text);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    background: var(--c-surface);
    color: var(--c-text);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--c-text-3);
    box-shadow: var(--shadow-focus);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--c-text-3);
    font-size: 0.8rem;
}

/* Buttons */
.btn {
    padding: 0.6rem 1.2rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    line-height: 1.25;
}

.btn-primary {
    background-color: var(--c-primary);
    color: var(--c-surface);
    border-color: var(--c-primary);
}

.btn-primary:hover {
    background-color: var(--c-primary-hover);
    border-color: var(--c-primary-hover);
}

.btn-danger {
    background-color: var(--c-danger);
    color: var(--c-surface);
    border-color: var(--c-danger);
}

.btn-danger:hover {
    background-color: var(--c-delete-hover);
    border-color: var(--c-delete-hover);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Messages */
.error-message {
    color: var(--c-danger);
    margin-top: 1rem;
    text-align: center;
    font-size: 0.8rem;
}

.success-message {
    color: var(--c-success);
    margin-top: 1rem;
    text-align: center;
    font-size: 0.8rem;
}

.message {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    text-align: center;
    font-size: 0.875rem;
}

.message.success {
    background-color: rgba(34, 197, 94, 0.08);
    color: var(--c-success);
    border: 1px solid var(--c-success);
}

.message.error {
    background-color: rgba(239, 68, 68, 0.08);
    color: var(--c-danger);
    border: 1px solid var(--c-danger);
}

.message.info {
    background-color: rgba(74, 86, 161, 0.08);
    color: var(--c-shared);
    border: 1px solid var(--c-shared);
}

/* Navbar */
.navbar {
    background: var(--c-surface);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.nav-brand {
    display: inline-flex;
    align-items: center;
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-primary);
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--c-text);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.nav-link:hover {
    background-color: var(--c-border-inner);
}

.nav-link.active {
    background-color: var(--c-primary);
    color: var(--c-surface);
}

/* Main Content */
.main-content {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section h2 {
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--c-border);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--c-text);
    letter-spacing: -0.02em;
}

.section h3 {
    margin-bottom: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-ink);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Status Cards */
.status-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.card {
    background: var(--c-surface);
    padding: 1.5rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card h3 {
    color: var(--c-text-2);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.big-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--c-ink);
    font-variant-numeric: tabular-nums;
}

/* Tables */
.table {
    width: 100%;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-collapse: collapse;
    overflow: hidden;
    font-size: 0.875rem;
    font-variant-numeric: tabular-nums;
}

.table th,
.table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--c-border-inner);
}

.table th {
    background: var(--c-bg);
    font-weight: 600;
    color: var(--c-ink);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
}

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

.table tr:hover td {
    background-color: var(--c-border-inner);
}

/* Status Indicators */
.status-success {
    color: var(--c-success);
    font-weight: 500;
}

.status-error {
    color: var(--c-danger);
    font-weight: 500;
}

.status-pending {
    color: var(--c-warning);
    font-weight: 500;
}

/* Actions — top-of-section primary buttons (Trigger Update, Add Host).
 * Right-aligned to match the Save Settings pattern. */
.actions {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1.5rem;
}

.btn-small {
    padding: 0.3rem 0.625rem;
    font-size: 0.75rem;
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: var(--radius);
    background: var(--c-border-inner);
    color: var(--c-text-3);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.btn-icon:hover {
    background: var(--c-border);
    color: var(--c-text-2);
}

/* Primary in-row action (e.g. Force Update). Slate background, white icon —
 * matches nudge's `.btnIconDone`. */
.btn-icon-done {
    color: var(--c-surface);
    background: var(--c-primary);
}

.btn-icon-done:hover {
    background: var(--c-primary-hover);
}

/* Destructive in-row action (e.g. Delete). Subtle red tint, never solid;
 * the modal confirmation button is the one carrying the strong colour. */
.btn-icon-delete {
    color: var(--c-delete);
    background: rgba(239, 68, 68, 0.04);
}

.btn-icon-delete:hover {
    color: var(--c-delete-hover);
    background: rgba(239, 68, 68, 0.1);
}

/* Tight cluster of icon buttons inside a table cell. */
.row-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: var(--c-surface);
    padding: 1.5rem;
    border-radius: var(--radius-xxl);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    position: relative;
}

.modal-content h2 {
    margin-bottom: 1rem;
    border: none;
    padding: 0;
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-text);
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    cursor: pointer;
    color: var(--c-text-3);
    background: none;
    border: none;
    padding: 0.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition);
}

.close-modal:hover {
    color: var(--c-text);
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

#page-info {
    color: var(--c-text-3);
    font-size: 0.875rem;
    font-variant-numeric: tabular-nums;
}

/* Settings Form */
.settings-form {
    background: var(--c-surface);
    padding: 2rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

/* Two-column grid for the form fields. The submit button lives outside
 * the grid and stays full-width below. Collapses to one column on mobile. */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem 2rem;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

/* Right-align the submit button inside a form (matches the visual register
 * of `.modal-actions` but for in-page forms). */
.form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 0.5rem;
}

/* ── Icon base (consumed by <use href="/static/icons.svg#i-X">) ── */
.icon {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: middle;
}

.icon-sm {
    width: 14px;
    height: 14px;
}

.icon-lg {
    width: 20px;
    height: 20px;
}

/* ── Brand logo in navbar (T003) ── */
.brand-logo {
    width: 24px;
    height: 24px;
    vertical-align: middle;
    margin-right: 0.5rem;
}

/* ── External link (indigo accent — reserved for OVH panel/docs links) ── */
.link-external {
    color: var(--c-shared);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.link-external:hover {
    text-decoration: underline;
}

/* ── Filter row (History page) ─────────────────────────────────
 * Mirrors nudge's HistoryPage `.filterRow` / `.filterField`. Stacks on
 * narrow viewports thanks to flex-wrap. */
.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin-bottom: 1rem;
}

.filter-field {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    flex: 1 1 12rem;
    min-width: 12rem;
    max-width: 24rem;
}

.filter-label {
    font-size: 0.7rem;
    color: var(--c-text-3);
    font-weight: 500;
    padding-left: 0.4rem;
}

.filter-select {
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    background: var(--c-surface);
    color: var(--c-text);
    width: 100%;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.filter-select:focus {
    outline: none;
    border-color: var(--c-text-3);
    box-shadow: var(--shadow-focus);
}

/* ── App version footer (Settings page) ── */
.app-version {
    text-align: center;
    font-size: 0.7rem;
    color: var(--c-text-3);
    margin-top: 1.5rem;
    font-variant-numeric: tabular-nums;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .main-content {
        padding: 1rem;
    }

    .table {
        font-size: 0.875rem;
    }

    .table th,
    .table td {
        padding: 0.75rem 0.5rem;
    }
}