:root {
    color-scheme: light;
    --ha-bg: #f4f8fc;
    --ha-panel: #ffffff;
    --ha-panel-alt: #eef4fb;
    --ha-border: #d6e1ee;
    --ha-text: #1f2328;
    --ha-text-muted: #4a5568;
    --ha-accent: #0f6cbd;
    --ha-accent-soft: #d7ebff;
    --ha-success: #107c10;
    --ha-warning: #8a6d1d;
    --ha-danger: #b42318;
    --ha-shadow: 0 16px 40px rgba(15, 76, 129, 0.08);
    --ha-content-max-width: 1180px;
    font-family: Inter, "Segoe UI", Arial, sans-serif;
}

html,
body {
    margin: 0;
    min-height: 100%;
    background: linear-gradient(180deg, #f7fbff 0%, #eef4fb 100%);
    color: var(--ha-text);
}

body {
    line-height: 1.5;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0 0 0.75rem;
    color: var(--ha-text);
}

p {
    margin: 0 0 1rem;
}

ul,
ol {
    margin: 0;
    padding-left: 1.25rem;
}

#app {
    min-height: 100vh;
}

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

.app-shell__sidebar {
    width: min(320px, 100%);
    background: linear-gradient(180deg, #eaf3ff 0%, #f6fbff 100%);
    border-right: 1px solid var(--ha-border);
}

.app-shell__main {
    flex: 1;
    min-width: 0;
}

.app-shell__header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    justify-content: space-between;
    gap: 1.25rem;
    align-items: center;
    max-width: var(--ha-content-max-width);
    margin: 0 auto;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(214, 225, 238, 0.85);
    box-sizing: border-box;
}

.app-shell__header-primary,
.app-shell__header-actions {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    flex-wrap: wrap;
}

.app-shell__content {
    display: grid;
    gap: 1.25rem;
    max-width: var(--ha-content-max-width);
    margin: 0 auto;
    padding: 1.75rem 2rem 2.5rem;
    box-sizing: border-box;
}

.brand-link {
    color: var(--ha-text);
    font-size: 1.125rem;
    font-weight: 700;
    text-decoration: none;
}

.brand-link__content,
.shell-link,
.shell-button-content,
.nav-shell__link-content,
.page-card__heading,
.cta-link,
.secondary-link {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
}

.brand-link__content {
    gap: 0.75rem;
}

.shell-link,
.secondary-link,
.cta-link {
    font-weight: 600;
    text-decoration: none;
}

.shell-link {
    padding: 0.55rem 0.8rem;
    border-radius: 999px;
    color: var(--ha-text);
}

.shell-link:hover {
    background: #edf5ff;
}

.shell-user,
.debug-api-label,
.page-kicker,
.page-intro,
.section-meta,
.muted-text,
.empty-state {
    color: var(--ha-text-muted);
}

/* ── Empty state card ────────────────────────────────── */
.empty-state-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 2rem 1rem;
    text-align: center;
}

.empty-state-card__icon {
    color: var(--ha-text-muted);
    opacity: 0.6;
}

.empty-state-card__message {
    margin: 0;
    color: var(--ha-text-muted);
}

/* ── Page hero last-updated caption ─────────────────── */
.page-hero__last-updated {
    font-size: 0.8rem;
    align-self: center;
}

/* ── Home glance card ────────────────────────────────── */
.home-glance-card .metric-grid--compact {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.75rem;
}

/* ── Admin agent health list ─────────────────────────── */
.admin-agents-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.admin-agent-row {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.admin-agent-row__info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.admin-agent-intents {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: 0.25rem;
}

.admin-agent-error {
    font-size: 0.8rem;
    word-break: break-all;
}

.pill--small {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
}

.page-hero {
    display: flex;
    justify-content: space-between;
    gap: 1.25rem;
    align-items: start;
}

.page-kicker {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.page-intro {
    max-width: 62rem;
}

.page-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.page-card,
.surface-card,
.status-alert {
    background: var(--ha-panel);
    border: 1px solid var(--ha-border);
    border-radius: 20px;
    box-shadow: var(--ha-shadow);
}

.page-card {
    padding: 1.4rem;
}

.card-actions,
.button-row,
.legend-row,
.inline-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.875rem;
    align-items: center;
}

.page-card__heading {
    margin-bottom: 0.75rem;
}

.page-card__heading h2 {
    margin-bottom: 0;
}

.page-card__icon {
    color: var(--ha-accent);
}

.form-layout {
    display: grid;
    gap: 1rem;
}

.form-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.field-span-full {
    grid-column: 1 / -1;
}

.choice-grid {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.choice-list {
    display: grid;
    gap: 0.625rem;
}

.choice-item {
    display: flex;
    gap: 0.625rem;
    align-items: start;
    padding: 0.875rem 1rem;
    background: var(--ha-panel-alt);
    border: 1px solid var(--ha-border);
    border-radius: 16px;
}

.choice-item input[type="checkbox"] {
    margin-top: 0.2rem;
}

.section-stack {
    display: grid;
    gap: 1rem;
}

.metric-grid {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.metric-card {
    padding: 1rem;
    border-radius: 16px;
    background: var(--ha-panel-alt);
    border: 1px solid var(--ha-border);
}

.metric-card__label {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--ha-text-muted);
    font-size: 0.875rem;
}

.metric-card__value {
    font-size: 1.25rem;
    font-weight: 700;
}

.status-alert {
    padding: 1rem 1.125rem;
}

.status-alert__content {
    display: grid;
    gap: 0.35rem;
}

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

.status-alert__title {
    font-weight: 700;
}

.status-alert__dismiss {
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    color: var(--ha-text-muted);
    padding: 0 0.25rem;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
}

.status-alert__dismiss:hover {
    color: var(--ha-text);
    background: rgba(0, 0, 0, 0.06);
}

.status-alert__note {
    margin-bottom: 0;
    color: var(--ha-text-muted);
    font-style: italic;
}

.status-alert--info {
    background: #eff6fc;
    border-color: #bfd9f2;
}

.status-alert--warning {
    background: #fff9ea;
    border-color: #efd48b;
}

.status-alert--danger {
    background: #fff1f0;
    border-color: #f0b3ad;
}

.tab-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--ha-panel);
}

.data-table th,
.data-table td {
    padding: 0.85rem 0.75rem;
    border-bottom: 1px solid var(--ha-border);
    vertical-align: top;
    text-align: left;
}

.data-table thead th {
    background: #eef4fb;
    color: var(--ha-text-muted);
    font-size: 0.875rem;
    font-weight: 700;
}

.data-table tbody tr:hover {
    background: #f8fbff;
}

.calendar-grid {
    overflow-x: auto;
}

.calendar-day {
    min-width: 120px;
}

.calendar-day__button {
    width: 100%;
    background: transparent;
    color: inherit;
    border: 0;
    padding: 0;
    text-align: left;
    font: inherit;
    cursor: pointer;
}

.calendar-day__button:disabled {
    cursor: default;
    opacity: 0.75;
}

.calendar-day--selected {
    background: #edf6ff;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.825rem;
    font-weight: 700;
}

.pill--accent {
    color: var(--ha-accent);
    background: var(--ha-accent-soft);
}

.pill--success {
    color: var(--ha-success);
    background: #e8f6e8;
}

.pill--warning {
    color: var(--ha-warning);
    background: #fff4d6;
}

.pill--neutral {
    color: var(--ha-text-muted);
    background: #eef2f7;
}

.rationale-prose {
    display: grid;
    gap: 0.6rem;
}

.rationale-prose p {
    margin: 0;
    line-height: 1.6;
}

.chat-list,
.response-list {
    display: grid;
    gap: 0.75rem;
}

.response-card {
    padding: 1rem 1.125rem;
}

.nav-shell {
    display: grid;
    gap: 1rem;
    padding: 1.5rem 1.25rem;
}

.nav-shell__header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 1rem;
}

.nav-shell__eyebrow {
    margin-bottom: 0.3rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav-shell__title {
    margin: 0;
    font-size: 1.25rem;
}

.nav-shell__links {
    display: grid;
    gap: 0.45rem;
}

.nav-shell__link {
    display: block;
    padding: 0.9rem 1rem;
    border-radius: 14px;
    color: var(--ha-text);
    font-weight: 600;
    text-decoration: none;
}

.nav-shell__link.active {
    background: #dfefff;
    color: #0d4f8c;
}

.nav-shell__link:hover {
    background: #edf5ff;
}

.nav-shell__toggle {
    display: none;
}

.cta-link,
.secondary-link {
    padding: 0.7rem 1rem;
    border-radius: 999px;
}

.cta-link {
    background: #e7f1ff;
    color: #0d4f8c;
}

.cta-link:hover {
    background: #d8eafe;
}

.secondary-link {
    background: #f4f8fc;
    color: var(--ha-text);
}

.secondary-link:hover {
    background: #e9f1fa;
}

.validation-message {
    color: var(--ha-danger);
    font-size: 0.875rem;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #7ab97a;
}

.invalid {
    outline: 1px solid #d35f55;
}

#blazor-error-ui {
    color-scheme: light only;
    background: #fff4d6;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.75rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

.loading-progress {
    position: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto;
}

.loading-progress circle {
    fill: none;
    stroke: #dbe6f1;
    stroke-width: 0.6rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}

.loading-progress circle:last-child {
    stroke: var(--ha-accent);
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: 700;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

.loading-progress-text:after {
    content: var(--blazor-load-percentage-text, "Loading");
}

code {
    color: #8d3b8c;
}

/* ── Consistent date input for pages using native <input type="date"> ── */
.fluent-date-input {
    height: 32px;
    padding: 0 0.75rem;
    border: 1px solid var(--neutral-stroke-rest, #d0d7de);
    border-radius: 4px;
    font-size: 0.875rem;
    font-family: inherit;
    background: var(--neutral-fill-input-rest, #ffffff);
    color: var(--neutral-foreground-rest, #24292f);
    min-width: 140px;
    box-sizing: border-box;
}

.fluent-date-input:focus {
    outline: none;
    border-color: var(--ha-accent);
    box-shadow: 0 0 0 2px rgba(15, 108, 189, 0.2);
}

.field-label {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ha-text);
}

/* ── Skip navigation link ────────────────────────────── */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0.5rem;
    z-index: 200;
    padding: 0.5rem 1rem;
    background: var(--ha-accent);
    color: #ffffff;
    font-weight: 700;
    border-radius: 0 0 8px 8px;
    text-decoration: none;
    transition: top 0.1s;
}

.skip-link:focus {
    top: 0;
}

/* ── Mobile nav overlay backdrop ─────────────────────── */
.nav-overlay {
    display: none;
}

.nav-section-label {
    margin: 1rem 1rem 0.25rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ha-text-muted);
}

/* ── Dark theme (explicit class) ──────────────────────── */
.dark-theme {
    color-scheme: dark;
    --ha-bg: #0d1117;
    --ha-panel: #161b22;
    --ha-panel-alt: #1c2128;
    --ha-border: #30363d;
    --ha-text: #e6edf3;
    --ha-text-muted: #8b949e;
    --ha-accent: #58a6ff;
    --ha-accent-hover: #79c0ff;
    --ha-accent-soft: #1f3a5f;
    --ha-success: #3fb950;
    --ha-warning: #d29922;
    --ha-danger: #f85149;
    --ha-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
    --ha-input-bg: #0d1117;
    --ha-input-border: #30363d;
}

.dark-theme body,
.dark-theme {
    background: var(--ha-bg);
}

.dark-theme .app-shell__sidebar {
    background: linear-gradient(180deg, #0d1117 0%, #161b22 100%);
}

.dark-theme .app-shell__header {
    background: rgba(22, 27, 34, 0.92);
    border-bottom-color: var(--ha-border);
}

.dark-theme .data-table thead th {
    background: #1c2128;
}

.dark-theme .data-table tbody tr:hover {
    background: #1c2128;
}

.dark-theme .shell-link:hover,
.dark-theme .nav-shell__link:hover {
    background: #1c2128;
}

.dark-theme .nav-shell__link.active {
    background: #1f3a5f;
    color: #58a6ff;
}

.dark-theme .cta-link {
    background: #1f3a5f;
    color: #58a6ff;
}

.dark-theme .cta-link:hover {
    background: #264b7a;
}

.dark-theme .secondary-link {
    background: #1c2128;
    color: var(--ha-text);
}

.dark-theme .secondary-link:hover {
    background: #262d38;
}

.dark-theme .calendar-day--selected {
    background: #1f3a5f;
}

.dark-theme .status-alert--info {
    background: #0d2137;
    border-color: #1f4e7a;
}

.dark-theme .status-alert--warning {
    background: #2d2300;
    border-color: #5c4a00;
}

.dark-theme .status-alert--danger {
    background: #2d0f0e;
    border-color: #5c1f1d;
}

.dark-theme .pill--accent {
    color: #58a6ff;
    background: #1f3a5f;
}

.dark-theme .pill--success {
    color: #3fb950;
    background: #0f2d16;
}

.dark-theme .pill--warning {
    color: #d29922;
    background: #2d2300;
}

.dark-theme .pill--neutral {
    color: #8b949e;
    background: #1c2128;
}

.dark-theme code {
    color: #d2a8ff;
}

.dark-theme .valid.modified:not([type=checkbox]) {
    outline-color: #3fb950;
}

.dark-theme .invalid {
    outline-color: #f85149;
}

.dark-theme .fluent-date-input {
    background: var(--ha-input-bg);
    color: var(--ha-text);
    border-color: var(--ha-input-border);
}

/* ── Dark theme (system preference fallback) ─────────── */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        color-scheme: dark;
        --ha-bg: #0d1117;
        --ha-panel: #161b22;
        --ha-panel-alt: #1c2128;
        --ha-border: #30363d;
        --ha-text: #e6edf3;
        --ha-text-muted: #8b949e;
        --ha-accent: #58a6ff;
        --ha-accent-hover: #79c0ff;
        --ha-accent-soft: #1f3a5f;
        --ha-success: #3fb950;
        --ha-warning: #d29922;
        --ha-danger: #f85149;
        --ha-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
        --ha-input-bg: #0d1117;
        --ha-input-border: #30363d;
    }
}

@media (max-width: 960px) {
    .app-shell {
        flex-direction: column;
    }

    .app-shell__sidebar {
        width: 100%;
        border-right: 0;
        border-bottom: 1px solid var(--ha-border);
    }

    .nav-shell__toggle {
        display: inline-flex;
    }

    .nav-shell__links--collapsed {
        display: none;
    }

    /* Backdrop overlay when mobile nav is open */
    .nav-overlay--visible {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.45);
        z-index: 10;
        cursor: pointer;
    }
}

@media (max-width: 640px) {
    .app-shell__header,
    .app-shell__content,
    .nav-shell {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .app-shell__header {
        align-items: start;
    }

    .app-shell__header-primary,
    .app-shell__header-actions,
    .page-hero,
    .button-row,
    .card-actions {
        flex-direction: column;
        align-items: stretch;
    }

    /* Compact card padding on narrow screens */
    .page-card {
        padding: 0.85rem;
    }

    /* Minimum touch target height on hero action buttons */
    .page-hero__actions fluent-button,
    .page-hero__actions button {
        min-height: 48px;
    }

    /* Bottom-sheet modal pattern for FluentDialog on mobile */
    fluent-dialog::part(dialog) {
        width: 100% !important;
        max-width: 100% !important;
        border-radius: 1rem 1rem 0 0 !important;
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        margin: 0 !important;
    }
}