h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

/* ---------- Design tokens ---------- */
:root {
    --bg: #eaf1f8;
    --surface: #ffffff;
    --surface-alt: #f4f8fc;
    --border: #dbe6f0;
    --text: #1a2733;
    --text-muted: #64748b;
    --accent: #2e75b6;
    --accent-hover: #235d92;
    --up: #16a34a;
    --up-bg: #ecfdf3;
    --down: #dc2626;
    --down-bg: #fef2f2;
    --unknown: #94a3b8;
    --unknown-bg: #f1f5f9;
    --radius: 10px;
    --shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 1px 3px rgba(16, 24, 40, 0.07);

    /* The sidebar keeps this same navy blue in both light and dark mode. */
    --sidebar-width: 250px;
    --sidebar-width-collapsed: 68px;
    --sidebar-bg: #1b5e92;
    --sidebar-bg-active: #2a75b0;
    --sidebar-border: rgba(255, 255, 255, 0.14);
    --sidebar-text: #eaf3fb;
    --sidebar-text-muted: #bcdcf5;

    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #101418;
        --surface: #1b2027;
        --surface-alt: #20262e;
        --border: #2b323c;
        --text: #e6ebf1;
        --text-muted: #93a0b1;
        --accent: #58a3e6;
        --accent-hover: #7bb7ec;
        --up: #22c55e;
        --up-bg: rgba(34, 197, 94, 0.14);
        --down: #f87171;
        --down-bg: rgba(248, 113, 113, 0.14);
        --unknown: #93a0b1;
        --unknown-bg: rgba(148, 163, 184, 0.14);
        color-scheme: dark;
    }
}

:root[data-theme="dark"] {
    --bg: #101418;
    --surface: #1b2027;
    --surface-alt: #20262e;
    --border: #2b323c;
    --text: #e6ebf1;
    --text-muted: #93a0b1;
    --accent: #58a3e6;
    --accent-hover: #7bb7ec;
    --up: #22c55e;
    --up-bg: rgba(34, 197, 94, 0.14);
    --down: #f87171;
    --down-bg: rgba(248, 113, 113, 0.14);
    --unknown: #93a0b1;
    --unknown-bg: rgba(148, 163, 184, 0.14);
    color-scheme: dark;
}

/* Theme toggle icon: shows the mode a click will switch TO. */
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: inline; }

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: inline; }
    :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

:root[data-theme="dark"] .theme-toggle .icon-sun { display: inline; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

:root[data-theme="light"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: inline; }

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
}

a {
    color: var(--accent);
    text-decoration: none;
}

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

code {
    background: var(--surface-alt);
    border-radius: 4px;
    padding: 0.1rem 0.35rem;
    font-size: 0.85em;
}

.code-block {
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.9rem 1rem;
    font-size: 0.82rem;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre;
    color: var(--text);
    margin: 0.75rem 0;
}

/* ---------- App shell / sidebar ---------- */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar-toggle-checkbox {
    display: none;
}

.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    transition: width 0.15s ease;
    overflow: hidden;
}

.sidebar-toggle-checkbox:checked ~ .sidebar {
    width: var(--sidebar-width-collapsed);
}

.sidebar-toggle-checkbox:checked ~ .sidebar .brand-text,
.sidebar-toggle-checkbox:checked ~ .sidebar .sidebar-link-label,
.sidebar-toggle-checkbox:checked ~ .sidebar .sidebar-user {
    display: none;
}

.sidebar-toggle-checkbox:checked ~ .app-main .collapse-toggle {
    transform: rotate(180deg);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1.35rem 1.25rem;
    font-weight: 700;
    font-size: 1.05rem;
    color: #fff;
    white-space: nowrap;
}

.brand-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #4ade80;
    box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.25);
    flex-shrink: 0;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--sidebar-border);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.95rem 1.25rem;
    color: var(--sidebar-text);
    font-weight: 600;
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--sidebar-border);
    white-space: nowrap;
    cursor: pointer;
}

.sidebar-link-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.1rem;
    flex-shrink: 0;
    font-size: 0.95rem;
}

.sidebar-toggle-checkbox:checked ~ .sidebar .sidebar-link {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
}

.sidebar-toggle-checkbox:checked ~ .sidebar .sidebar-brand {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
}

.sidebar-link:hover {
    background: var(--sidebar-bg-active);
    color: #fff;
}

.sidebar-link.active {
    background: var(--sidebar-bg-active);
    color: #fff;
    box-shadow: inset 3px 0 0 #fff;
}

.sidebar-link-button {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    font: inherit;
    letter-spacing: inherit;
    text-transform: inherit;
}

form.sidebar-form {
    display: contents;
}

.sidebar-footer {
    margin-top: auto;
    border-top: 1px solid var(--sidebar-border);
}

.sidebar-user {
    padding: 0.9rem 1.25rem 0.2rem;
    color: var(--sidebar-text-muted);
    font-size: 0.76rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.collapse-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    margin: 1.1rem 0 0 1.1rem;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--accent);
    box-shadow: var(--shadow);
    cursor: pointer;
    font-size: 1rem;
    transition: transform 0.15s ease;
    flex-shrink: 0;
}

.collapse-toggle:hover {
    color: var(--accent-hover);
}

.page {
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 3rem;
}

/* ---------- Panel headings (uppercase blue label + underline, like the reference portal) ---------- */
.panel-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 2rem;
    margin-bottom: 0.6rem;
}

.panel-heading:first-child {
    margin-top: 0;
}

.panel-heading h2 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent);
}

.panel-heading .chevron {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.panel-heading-rule {
    height: 3px;
    width: 42px;
    background: var(--accent);
    border-radius: 2px;
    margin-bottom: 1.25rem;
}

/* ---------- Site announcement ---------- */
.announcement-banner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: #d92d20;
    color: #fff;
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    margin-bottom: 1.75rem;
    font-size: 1.05rem;
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(217, 45, 32, 0.35);
}

.announcement-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
}

/* ---------- Summary banner ---------- */
.summary-banner {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.75rem;
}

.summary-banner .icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.summary-banner h2 {
    margin: 0 0 0.15rem;
    font-size: 1.15rem;
}

.summary-banner p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.summary-banner.ok .icon { background: var(--up-bg); color: var(--up); }
.summary-banner.down .icon { background: var(--down-bg); color: var(--down); }
.summary-banner.empty .icon { background: var(--unknown-bg); color: var(--unknown); }

/* ---------- Status cards ---------- */
.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 1rem;
}

.status-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.1rem 1.25rem;
    box-shadow: var(--shadow);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.status-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(16, 24, 40, 0.08);
}

.status-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
}

.status-card-name {
    font-weight: 600;
    font-size: 1rem;
}

.status-card-url {
    color: var(--text-muted);
    font-size: 0.78rem;
    word-break: break-all;
    margin-top: 0.15rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.28rem 0.65rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
}

.badge.up { background: var(--up-bg); color: var(--up); }
.badge.down { background: var(--down-bg); color: var(--down); }
.badge.unknown { background: var(--unknown-bg); color: var(--unknown); }

.status-card-meta {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.status-card-meta strong {
    color: var(--text);
    font-weight: 600;
}

.status-card-meta-secondary {
    margin-top: 0.3rem;
}

.uptime-bar {
    display: flex;
    gap: 2px;
    margin-top: 0.9rem;
    height: 22px;
    align-items: flex-end;
}

.uptime-bar .tick {
    flex: 1;
    height: 100%;
    border-radius: 2px;
    background: var(--unknown-bg);
}

.uptime-bar .tick.up { background: var(--up); }
.uptime-bar .tick.down { background: var(--down); }

.status-timeline {
    margin-top: 1rem;
}

.status-timeline-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.status-timeline-bar {
    display: flex;
    height: 16px;
    border-radius: 4px;
    overflow: hidden;
    background: var(--unknown-bg);
}

.status-timeline-bar .segment {
    height: 100%;
    flex-shrink: 0;
    flex-basis: 0;
    cursor: pointer;
}

/* A brief up/down blip still gets a visible sliver instead of rounding away to nothing. */
.status-timeline-bar .segment.up,
.status-timeline-bar .segment.down {
    min-width: 3px;
}

.status-timeline-bar .segment.up { background: var(--up); }
.status-timeline-bar .segment.down { background: var(--down); }
.status-timeline-bar .segment.unknown { background: var(--unknown-bg); }

.status-timeline-bar .segment.selected {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
}

.status-timeline-axis {
    display: flex;
    justify-content: space-between;
    font-size: 0.68rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

.segment-detail {
    margin-top: 0.6rem;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.65rem 0.75rem;
    font-size: 0.8rem;
}

.segment-detail-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.segment-detail-duration {
    font-weight: 700;
    color: var(--text);
}

.segment-detail-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    padding: 0.1rem 0.3rem;
}

.segment-detail-close:hover {
    color: var(--text);
}

.segment-detail-range {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: 0.55rem;
    color: var(--text);
}

.status-card-error {
    margin-top: 0.6rem;
    font-size: 0.76rem;
    color: var(--down);
    background: var(--down-bg);
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
}

.empty-state {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-muted);
}

.empty-state a {
    font-weight: 600;
}

/* ---------- Buttons / forms ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.15rem;
    border-radius: 6px;
    border: 1px solid transparent;
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    cursor: pointer;
}

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

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

.btn-secondary {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text);
}

.btn-secondary:hover {
    background: var(--surface-alt);
}

.btn-danger {
    background: var(--down-bg);
    color: var(--down);
}

.btn-sm {
    padding: 0.32rem 0.65rem;
    font-size: 0.72rem;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 1rem;
}

.field label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
}

.field input, .field select {
    padding: 0.55rem 0.7rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-size: 0.9rem;
}

.field input:focus, .field select:focus {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
}

.field input::placeholder {
    color: var(--text-muted);
    opacity: 0.75;
}

.field-hint {
    color: var(--text-muted);
    font-size: 0.72rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
}

.card-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

table.manage-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

table.manage-table th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
}

table.manage-table td {
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

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

.reorder-cell {
    white-space: nowrap;
}

.reorder-cell .btn {
    padding: 0.2rem 0.5rem;
}

.reorder-cell .btn:disabled {
    opacity: 0.35;
    cursor: default;
}

.endpoint-section-title {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
    margin: 1.5rem 0 0.5rem;
}

.endpoint-section-title:first-of-type {
    margin-top: 0;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-size: 1.4rem;
    margin: 0;
    color: var(--text);
}

.page-header p {
    margin: 0.2rem 0 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ---------- Login ---------- */
.login-wrap {
    display: flex;
    justify-content: center;
    padding-top: 4rem;
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem 2.25rem;
    width: 100%;
    max-width: 360px;
}

.login-card h1 {
    font-size: 1.3rem;
    margin: 0 0 0.25rem;
}

.login-sub {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0 0 1.5rem;
}

.login-error {
    background: var(--down-bg);
    color: var(--down);
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.login-submit {
    width: 100%;
    justify-content: center;
    margin-top: 0.25rem;
}