/* =========================================================
   OMNISENSE PRECISION
   Presentation layer only.
   Operational meaning must never depend on theme colors.
   ========================================================= */


/* ---------- Light theme / default tokens ---------- */

:root {
    color-scheme: light;

    --page: #f2f2ef;
    --page-elevated: #f8f8f5;

    --surface: #ffffff;
    --surface-subtle: #f6f6f2;
    --surface-strong: #e9e9e4;

    --text-primary: #111310;
    --text-secondary: #5f625d;
    --text-tertiary: #8d9089;
    --text-inverse: #f7f7f3;

    --line: #d9dad4;
    --line-strong: #bfc1ba;

    --accent: #c5a05a;
    --accent-strong: #ad8137;
    --accent-ink: #111310;

    --status-ok: #217a46;
    --status-warning: #a26500;
    --status-critical: #b3261e;
    --status-info: #285f9b;

    --status-ok-bg: #e6f4ea;
    --status-warning-bg: #fff0d2;
    --status-critical-bg: #fce8e6;
    --status-info-bg: #e7f0fa;

    --measurement-suspect: #8d5b00;
    --measurement-stale: #706f69;

    --water: #47a5cf;
    --water-muted: #9fb9c5;

    --shadow-soft:
        0 1px 2px rgba(0, 0, 0, .04),
        0 12px 30px rgba(0, 0, 0, .045);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;

    --content-max: 1580px;

    --transition-fast: 160ms ease;
}


/* ---------- Explicit dark theme ---------- */

html[data-theme="dark"] {
    color-scheme: dark;

    --page: #10110f;
    --page-elevated: #151614;

    --surface: #191a18;
    --surface-subtle: #20211e;
    --surface-strong: #292a27;

    --text-primary: #f2f3ed;
    --text-secondary: #b2b5ac;
    --text-tertiary: #7e8179;
    --text-inverse: #111310;

    --line: #30322d;
    --line-strong: #484b43;

    --accent: #c5a05a;
    --accent-strong: #dfbd78;
    --accent-ink: #111310;

    --status-ok: #74d99a;
    --status-warning: #f0b457;
    --status-critical: #ff8178;
    --status-info: #7eb5f0;

    --status-ok-bg: #153623;
    --status-warning-bg: #3d2d12;
    --status-critical-bg: #421c19;
    --status-info-bg: #162d45;

    --measurement-suspect: #f0b457;
    --measurement-stale: #a7a89f;

    --water: #4aa8d4;
    --water-muted: #506a75;

    --shadow-soft:
        0 1px 2px rgba(0, 0, 0, .22),
        0 18px 38px rgba(0, 0, 0, .18);
}


/* ---------- Auto theme follows operating system ---------- */

@media (prefers-color-scheme: dark) {
    html:not([data-theme]),
    html[data-theme="auto"] {
        color-scheme: dark;

        --page: #10110f;
        --page-elevated: #151614;

        --surface: #191a18;
        --surface-subtle: #20211e;
        --surface-strong: #292a27;

        --text-primary: #f2f3ed;
        --text-secondary: #b2b5ac;
        --text-tertiary: #7e8179;
        --text-inverse: #111310;

        --line: #30322d;
        --line-strong: #484b43;

        --accent: #c5a05a;
        --accent-strong: #dfbd78;
        --accent-ink: #111310;

        --status-ok: #74d99a;
        --status-warning: #f0b457;
        --status-critical: #ff8178;
        --status-info: #7eb5f0;

        --status-ok-bg: #153623;
        --status-warning-bg: #3d2d12;
        --status-critical-bg: #421c19;
        --status-info-bg: #162d45;

        --measurement-suspect: #f0b457;
        --measurement-stale: #a7a89f;

        --water: #4aa8d4;
        --water-muted: #506a75;

        --shadow-soft:
            0 1px 2px rgba(0, 0, 0, .22),
            0 18px 38px rgba(0, 0, 0, .18);
    }
}


/* ---------- Foundation ---------- */

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background: var(--page);
}

body {
    margin: 0;
    min-height: 100vh;

    background:
        linear-gradient(
            180deg,
            var(--page-elevated) 0,
            var(--page) 220px
        );

    color: var(--text-primary);

    font-family:
        Inter,
        ui-sans-serif,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    font-size: 14px;
    line-height: 1.45;

    -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    color: inherit;
}

a {
    color: inherit;
}


/* ---------- Typography ---------- */

.eyebrow {
    margin: 0;

    color: var(--text-tertiary);

    font-size: 10px;
    font-weight: 750;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.display-number {
    font-size: clamp(36px, 5vw, 66px);
    font-weight: 760;
    letter-spacing: -.055em;
    line-height: .95;
}

.section-heading {
    margin: 0;

    font-size: 20px;
    font-weight: 680;
    letter-spacing: -.025em;
}

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

.mono,
.data-code {
    font-family:
        "SFMono-Regular",
        Consolas,
        "Liberation Mono",
        monospace;
}


/* ---------- Main application ---------- */

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

.content {
    width: min(
        calc(100% - 40px),
        var(--content-max)
    );

    margin: 0 auto;
}


/* ---------- Top bar ---------- */

.topbar {
    min-height: 72px;

    display: flex;
    align-items: center;

    border-bottom: 1px solid var(--line);
}

.topbar-inner {
    width: min(
        calc(100% - 40px),
        var(--content-max)
    );

    margin: 0 auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 28px;
    height: 28px;

    display: grid;
    place-items: center;

    background: var(--accent);
    color: var(--accent-ink);

    border-radius: 50%;

    font-size: 10px;
    font-weight: 900;
}

.brand-name {
    font-size: 14px;
    font-weight: 780;
    letter-spacing: .08em;
}

.brand-edition {
    color: var(--text-tertiary);

    font-size: 9px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}


/* ---------- Buttons ---------- */

.button {
    min-height: 38px;

    border: 1px solid var(--line);
    border-radius: 999px;

    padding: 0 15px;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;

    background: var(--surface);
    color: var(--text-primary);

    font-size: 12px;
    font-weight: 650;

    cursor: pointer;

    transition:
        border-color var(--transition-fast),
        background var(--transition-fast),
        transform var(--transition-fast);
}

.button:hover {
    border-color: var(--line-strong);
    background: var(--surface-subtle);
}

.button:active {
    transform: translateY(1px);
}

.button-primary {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--accent-ink);
}

.button-primary:hover {
    border-color: var(--accent-strong);
    background: var(--accent-strong);
}

.button-quiet {
    border-color: transparent;
    background: transparent;
}

.button-danger {
    color: var(--status-critical);
}


/* ---------- Form controls ---------- */

.field {
    display: grid;
    gap: 7px;
}

.field-label {
    color: var(--text-secondary);

    font-size: 11px;
    font-weight: 650;
}

.input {
    width: 100%;
    min-height: 46px;

    border: 1px solid var(--line);
    border-radius: var(--radius-sm);

    padding: 0 13px;

    outline: none;

    background: var(--surface);
    color: var(--text-primary);

    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.input:focus {
    border-color: var(--text-primary);

    box-shadow:
        0 0 0 3px color-mix(
            in srgb,
            var(--accent) 22%,
            transparent
        );
}

.input::placeholder {
    color: var(--text-tertiary);
}


/* ---------- Login ---------- */

.login-page {
    min-height: 100vh;

    display: grid;
    grid-template-columns:
        minmax(320px, .9fr)
        minmax(420px, 1.35fr);
}

.login-panel {
    padding: clamp(28px, 6vw, 84px);

    display: flex;
    flex-direction: column;

    background: var(--surface);
}

.login-brand {
    margin-bottom: auto;
}

.login-form-wrap {
    width: min(100%, 420px);

    margin: 70px auto;
}

.login-title {
    margin: 12px 0 8px;

    font-size: clamp(36px, 5vw, 58px);
    line-height: .98;
    letter-spacing: -.05em;
}

.login-copy {
    max-width: 34em;
    margin: 0 0 34px;

    color: var(--text-secondary);
}

.login-form {
    display: grid;
    gap: 18px;
}

.login-footer {
    margin-top: auto;

    color: var(--text-tertiary);

    font-size: 10px;
    letter-spacing: .04em;
}

.login-visual {
    min-height: 100vh;

    position: relative;
    overflow: hidden;

    padding: clamp(32px, 5vw, 74px);

    display: flex;
    flex-direction: column;
    justify-content: flex-end;

    background:
        radial-gradient(
            circle at 68% 30%,
            color-mix(
                in srgb,
                var(--accent) 50%,
                transparent
            ),
            transparent 19%
        ),
        linear-gradient(
            140deg,
            #0e100d 0%,
            #191b16 58%,
            #262b20 100%
        );

    color: #f3f4ee;
}

.login-visual::before,
.login-visual::after {
    content: "";

    position: absolute;

    border: 1px solid rgba(255,255,255,.14);
    border-radius: 50%;
}

.login-visual::before {
    width: min(53vw, 720px);
    height: min(53vw, 720px);

    right: -17%;
    top: -8%;
}

.login-visual::after {
    width: min(36vw, 480px);
    height: min(36vw, 480px);

    right: 9%;
    top: 12%;
}

.login-visual-copy {
    position: relative;
    z-index: 2;

    max-width: 720px;
}

.login-visual-title {
    margin: 13px 0 18px;

    max-width: 10em;

    font-size: clamp(46px, 7vw, 100px);
    font-weight: 690;
    line-height: .88;
    letter-spacing: -.065em;
}

.login-visual-rule {
    width: 56px;
    height: 4px;

    margin: 26px 0;

    background: var(--accent);
}

.login-error {
    min-height: 20px;

    color: var(--status-critical);

    font-size: 11px;
}


/* ---------- Dashboard heading ---------- */

.hero {
    padding: 44px 0 28px;

    display: grid;
    grid-template-columns:
        minmax(0, 1fr)
        auto;
    align-items: end;
    gap: 28px;
}

.hero-title {
    margin: 8px 0 0;

    font-size: clamp(38px, 5vw, 72px);
    font-weight: 680;
    letter-spacing: -.055em;
    line-height: .94;
}

.hero-meta {
    display: flex;
    gap: 28px;
}

.hero-stat {
    min-width: 100px;
}

.hero-stat-value {
    font-size: 20px;
    font-weight: 720;
    letter-spacing: -.02em;
}

.hero-stat-label {
    margin-top: 3px;

    color: var(--text-tertiary);

    font-size: 9px;
    letter-spacing: .11em;
    text-transform: uppercase;
}


/* ---------- Precision section ---------- */

.precision-section {
    padding: 26px 0 36px;
    border-top: 1px solid var(--line);
}

.section-header {
    margin-bottom: 17px;

    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
}

.section-meta {
    color: var(--text-tertiary);
    font-size: 11px;
}


/* ---------- Attention overview ---------- */

.attention-panel {
    margin-bottom: 16px;

    display: grid;
    grid-template-columns: auto 1fr;
    gap: 18px;

    padding: 14px 16px;

    border: 1px solid var(--line);
    border-radius: var(--radius-md);

    background: var(--surface);
    box-shadow: var(--shadow-soft);
}

.attention-panel[hidden] {
    display: none;
}

.attention-panel-header {
    min-width: 92px;

    display: flex;
    align-items: center;

    padding-right: 16px;

    border-right: 1px solid var(--line);
}

.attention-panel-count {
    margin-top: 2px;

    color: var(--accent);

    font-size: 30px;
    font-weight: 730;
    line-height: 1;
    letter-spacing: -.04em;
}


/* Attention items */

.attention-list {
    min-width: 0;

    display: grid;
    grid-template-columns:
        repeat(5, minmax(0, 1fr));
    gap: 8px;
}

.attention-item {
    min-width: 0;

    display: grid;
    grid-template-columns: 3px 1fr;
    gap: 9px;

    padding: 7px 8px 7px 0;

    border-right: 1px solid var(--line);
}

.attention-item:last-child {
    border-right: 0;
}

.attention-marker {
    width: 3px;
    min-height: 100%;

    border-radius: 999px;

    background: var(--text-tertiary);
}

.attention-critical .attention-marker {
    background: var(--status-critical);
}

.attention-warning .attention-marker {
    background: var(--accent);
}

.attention-advisory .attention-marker {
    background: var(--status-info);
}

.attention-item-body {
    min-width: 0;
}

.attention-item-topline {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
}

.attention-asset {
    min-width: 0;

    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;

    font-size: 11px;
    font-weight: 740;
}

.attention-severity {
    flex: 0 0 auto;

    font-size: 8px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.attention-critical .attention-severity {
    color: var(--status-critical);
}

.attention-warning .attention-severity {
    color: var(--status-warning);
}

.attention-advisory .attention-severity {
    color: var(--status-info);
}

.attention-title {
    margin-top: 3px;

    font-size: 10px;
    font-weight: 680;
}

.attention-detail {
    margin-top: 2px;

    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;

    color: var(--text-tertiary);

    font-size: 9px;
}


/* ---------- Tank grid ---------- */

.tank-grid {
    display: grid;
    grid-template-columns:
        repeat(5, minmax(190px, 1fr));
    gap: 10px;
}

.tank-card {
    min-width: 0;

    padding: 17px;

    background: var(--surface);

    border: 1px solid var(--line);
    border-radius: var(--radius-md);

    box-shadow: var(--shadow-soft);

    transition:
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.tank-card:hover {
    border-color: var(--line-strong);
    transform: translateY(-1px);
}

.tank-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.tank-index {
    color: var(--text-tertiary);

    font-size: 9px;
    font-weight: 750;
    letter-spacing: .12em;
}

.tank-name {
    margin-top: 3px;

    font-size: 17px;
    font-weight: 680;
    letter-spacing: -.02em;
}


/* ---------- Status ---------- */

.status-chip {
    min-height: 24px;

    display: inline-flex;
    align-items: center;
    gap: 6px;

    padding: 0 8px;

    border-radius: 999px;

    font-size: 8px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.status-chip::before {
    content: "";

    width: 5px;
    height: 5px;

    border-radius: 50%;

    background: currentColor;
}

.status-online {
    background: var(--status-ok-bg);
    color: var(--status-ok);
}

.status-offline {
    background: var(--status-critical-bg);
    color: var(--status-critical);
}

.status-warning {
    background: var(--status-warning-bg);
    color: var(--status-warning);
}

.status-unknown {
    background: var(--surface-strong);
    color: var(--text-secondary);
}


/* ---------- Main tank measurement ---------- */

.tank-reading {
    margin-top: 34px;
}

.tank-level {
    font-size: clamp(40px, 4.2vw, 60px);
    font-weight: 720;
    letter-spacing: -.06em;
    line-height: .9;
}

.tank-level-unit {
    margin-left: 3px;

    color: var(--text-secondary);

    font-size: 15px;
    font-weight: 650;
    letter-spacing: -.02em;
}

.tank-volume {
    margin-top: 7px;

    color: var(--text-secondary);

    font-size: 12px;
    font-weight: 600;
}


/* ---------- Tank level indicator ---------- */

.level-track {
    height: 5px;

    margin: 22px 0;

    overflow: hidden;

    background: var(--surface-strong);

    border-radius: 999px;
}

.level-fill {
    height: 100%;
    width: 0;

    background: var(--water);

    border-radius: inherit;

    transition: width .45s ease;
}

.level-fill.stale {
    opacity: .52;

    background:
        repeating-linear-gradient(
            90deg,
            var(--measurement-stale) 0,
            var(--measurement-stale) 7px,
            transparent 7px,
            transparent 11px
        );
}


/* ---------- Measurement trust ---------- */

.tank-card-untrusted .tank-level,
.tank-card-untrusted .tank-level-unit {
    color: var(--text-secondary);
    opacity: .72;
}

.tank-card-untrusted .tank-volume {
    color: var(--text-tertiary);
}

.tank-card-untrusted .level-track {
    opacity: .78;
}


/* ---------- Operational metrics ---------- */

.metric-stack {
    display: grid;
}

.metric-row {
    min-height: 36px;

    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 12px;

    border-top: 1px solid var(--line);
}

.metric-name {
    color: var(--text-tertiary);

    font-size: 9px;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
}

.metric-value {
    font-size: 11px;
    font-weight: 680;
    text-align: right;
}


/* ---------- Alerts ---------- */

.inline-alert {
    margin-top: 14px;

    padding: 10px 11px;

    border-radius: var(--radius-sm);

    font-size: 10px;
    line-height: 1.35;
}

.inline-alert-critical {
    background: var(--status-critical-bg);
    color: var(--status-critical);
}

.inline-alert-warning {
    background: var(--status-warning-bg);
    color: var(--status-warning);
}

.inline-alert-info {
    background: var(--status-info-bg);
    color: var(--status-info);
}


/* ---------- No data ---------- */

.no-data-card {
    opacity: .72;
}

.no-data-value {
    color: var(--text-tertiary);
}


/* ---------- Details ---------- */

details {
    margin-top: 10px;

    border-top: 1px solid var(--line);
}

summary {
    padding: 10px 0 0;

    cursor: pointer;

    color: var(--text-tertiary);

    font-size: 9px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.detail-grid {
    margin-top: 10px;

    display: grid;
    gap: 7px;

    color: var(--text-secondary);

    font-size: 10px;
}

.detail-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
}


/* ---------- User menu ---------- */

.user-block {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-name {
    font-size: 11px;
    font-weight: 700;
}

.user-role {
    color: var(--text-tertiary);
    font-size: 9px;
}


/* ---------- Preference controls ---------- */

.preference-group {
    display: inline-flex;
    align-items: center;

    padding: 3px;

    border: 1px solid var(--line);
    border-radius: 999px;

    background: var(--surface);
}

.preference-button {
    min-width: 32px;
    height: 28px;

    border: 0;
    border-radius: 999px;

    padding: 0 9px;

    background: transparent;
    color: var(--text-secondary);

    font-size: 9px;
    font-weight: 750;

    cursor: pointer;
}

.preference-button.active {
    background: var(--text-primary);
    color: var(--text-inverse);
}


/* ---------- Accent preference ---------- */

.accent-control {
    position: relative;

    display: inline-flex;
    align-items: center;
}

.accent-trigger {
    height: 36px;

    display: inline-flex;
    align-items: center;
    gap: 7px;

    border: 1px solid var(--line);
    border-radius: 999px;

    padding: 0 11px;

    background: var(--surface);
    color: var(--text-secondary);

    font-size: 9px;
    font-weight: 750;
    letter-spacing: .02em;

    cursor: pointer;

    transition:
        border-color var(--transition-fast),
        background var(--transition-fast);
}

.accent-trigger:hover {
    border-color: var(--line-strong);
    background: var(--surface-subtle);
}

.accent-trigger-dot {
    width: 14px;
    height: 14px;

    flex: 0 0 auto;

    border: 2px solid
        color-mix(
            in srgb,
            var(--accent) 72%,
            var(--text-primary)
        );

    border-radius: 50%;

    box-shadow:
        0 0 0 2px var(--surface);
}


.accent-popover {
    width: 278px;

    position: absolute;
    z-index: 100;

    top: calc(100% + 10px);
    right: 0;

    padding: 16px;

    border: 1px solid var(--line);
    border-radius: var(--radius-md);

    background: var(--surface);
    color: var(--text-primary);

    box-shadow:
        0 18px 50px rgba(0, 0, 0, .13);
}

.accent-popover[hidden] {
    display: none;
}

.accent-popover-title {
    margin-bottom: 13px;

    color: var(--text-secondary);

    font-size: 9px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}


/* Curated presets */

.accent-swatches {
    display: grid;
    grid-template-columns:
        repeat(7, 1fr);
    gap: 8px;

    margin-bottom: 17px;
}

.accent-swatch {
    width: 26px;
    height: 26px;

    position: relative;

    border: 0;
    border-radius: 50%;

    padding: 0;

    background: var(--swatch-color);

    cursor: pointer;

    box-shadow:
        inset 0 0 0 1px rgba(0, 0, 0, .08);

    transition:
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.accent-swatch:hover {
    transform: scale(1.08);
}

.accent-swatch.active::after {
    content: "";

    position: absolute;
    inset: -4px;

    border: 2px solid var(--text-primary);
    border-radius: 50%;
}


/* Continuous hue bar */

.accent-hue-wrap {
    display: grid;
    gap: 8px;

    margin-bottom: 14px;
}

.accent-hue {
    width: 100%;
    height: 18px;

    margin: 0;

    appearance: none;
    -webkit-appearance: none;

    border: 0;
    border-radius: 999px;

    outline: none;

    background:
        linear-gradient(
            90deg,
            hsl(0 80% 55%),
            hsl(45 90% 55%),
            hsl(90 75% 48%),
            hsl(150 70% 45%),
            hsl(190 75% 48%),
            hsl(235 80% 58%),
            hsl(285 70% 56%),
            hsl(330 75% 55%),
            hsl(360 80% 55%)
        );

    cursor: pointer;
}

.accent-hue::-webkit-slider-thumb {
    width: 18px;
    height: 18px;

    appearance: none;
    -webkit-appearance: none;

    border: 3px solid var(--surface);
    border-radius: 50%;

    background: var(--accent);

    box-shadow:
        0 0 0 1px var(--text-primary),
        0 2px 8px rgba(0, 0, 0, .18);

    cursor: grab;
}

.accent-hue::-moz-range-thumb {
    width: 14px;
    height: 14px;

    border: 3px solid var(--surface);
    border-radius: 50%;

    background: var(--accent);

    box-shadow:
        0 0 0 1px var(--text-primary),
        0 2px 8px rgba(0, 0, 0, .18);

    cursor: grab;
}


/* Native full-spectrum picker + hex */

.accent-custom-row {
    min-height: 38px;

    display: grid;
    grid-template-columns:
        34px 1fr auto;
    align-items: center;
    gap: 9px;

    padding-top: 13px;

    border-top: 1px solid var(--line);
}

.accent-native-picker {
    width: 32px;
    height: 32px;

    border: 1px solid var(--line);
    border-radius: 8px;

    padding: 2px;

    background: var(--surface);

    cursor: pointer;
}

.accent-native-picker::-webkit-color-swatch-wrapper {
    padding: 0;
}

.accent-native-picker::-webkit-color-swatch {
    border: 0;
    border-radius: 5px;
}

.accent-native-picker::-moz-color-swatch {
    border: 0;
    border-radius: 5px;
}

.accent-hex {
    color: var(--text-secondary);

    font-size: 10px;
    font-weight: 650;
}

.accent-reset {
    min-height: 30px;
    padding: 0 8px;

    color: var(--text-tertiary);

    font-size: 9px;
}


/* Semantic colors intentionally remain independent
   from the user-selected accent. */

.status-online,
.status-offline,
.status-warning,
.status-unknown,
.inline-alert-critical,
.inline-alert-warning,
.inline-alert-info {
    /* No accent inheritance here by design. */
}


/* ---------- Loading ---------- */

.loading-state {
    min-height: 50vh;

    display: grid;
    place-items: center;

    color: var(--text-tertiary);
}

.loading-line {
    width: 110px;
    height: 2px;

    position: relative;
    overflow: hidden;

    background: var(--line);
}

.loading-line::after {
    content: "";

    position: absolute;
    inset: 0;

    width: 35%;

    background: var(--accent);

    animation: loading-slide 1s infinite ease-in-out;
}

@keyframes loading-slide {
    from {
        transform: translateX(-120%);
    }

    to {
        transform: translateX(340%);
    }
}


/* ---------- Responsive ---------- */

@media (max-width: 1180px) {
    .tank-grid {
        grid-template-columns:
            repeat(3, minmax(210px, 1fr));
    }
}

@media (max-width: 820px) {
    .login-page {
        grid-template-columns: 1fr;
    }

    .login-visual {
        display: none;
    }

    .login-panel {
        min-height: 100vh;
    }

    .hero {
        grid-template-columns: 1fr;
    }

    .hero-meta {
        justify-content: flex-start;
    }

    .tank-grid {
        grid-template-columns:
            repeat(2, minmax(180px, 1fr));
    }
}

@media (max-width: 520px) {
    .content,
    .topbar-inner {
        width: min(
            calc(100% - 22px),
            var(--content-max)
        );
    }

    .topbar {
        min-height: 62px;
    }

    .topbar-actions {
        gap: 4px;
    }

    .hero {
        padding-top: 30px;
    }

    .hero-meta {
        gap: 18px;
    }

    .tank-grid {
        grid-template-columns: 1fr;
    }

    .login-panel {
        padding: 24px;
    }

    .login-form-wrap {
        margin: 50px 0;
    }
}

/*
   Accent color is an authenticated user preference.
   Do not expose it on the login screen before user identity is known.
*/
.login-page .accent-control {
    display: none;
}

@media (max-width: 1180px) {
    .attention-list {
        grid-template-columns:
            repeat(3, minmax(0, 1fr));
    }

    .attention-item:nth-child(3n) {
        border-right: 0;
    }
}

@media (max-width: 820px) {
    .attention-panel {
        grid-template-columns: 1fr;
    }

    .attention-panel-header {
        min-width: 0;
        padding-right: 0;
        padding-bottom: 10px;

        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .attention-list {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

    .attention-item {
        border-right: 0;
    }
}

@media (max-width: 520px) {
    .attention-list {
        grid-template-columns: 1fr;
    }
}

/* Compact icon-only accent selector */
.accent-trigger {
    width: 38px;
    min-width: 38px;
    height: 38px;

    padding: 0;

    justify-content: center;
}

.accent-trigger-dot {
    width: 16px;
    height: 16px;
}