:root {
    --board-bg: #05070d;
    --board-panel: #101321;
    --board-panel-alt: #161a2c;
    --board-border: rgba(255, 255, 255, 0.08);
    --board-accent: #2dd4bf;
    --board-accent-soft: rgba(45, 212, 191, 0.12);
    --board-text: #e5e7eb;
    --board-text-muted: #94a3b8;
    --board-text-faint: #64748b;
    --panel-radius: 16px;
    --panel-shadow: 0 12px 36px rgba(2, 6, 23, 0.38);
    --transition-base: 200ms ease;
    font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    background: radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.15), transparent 55%),
        radial-gradient(circle at 80% 0%, rgba(45, 212, 191, 0.12), transparent 50%),
        var(--board-bg);
    color: var(--board-text);
    -webkit-font-smoothing: antialiased;
    font-size: 18px;
    line-height: 1.35;
}

.board-shell {
    min-height: 100vh;
    padding: 1.75rem clamp(1rem, 5vw, 2.75rem) 2.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.board-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    flex-wrap: wrap;
}

.board-header__title {
    font-size: clamp(2.25rem, 3vw, 3.1rem);
    font-weight: 600;
    letter-spacing: 0.035em;
}

.board-header__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem 1.5rem;
    font-size: 1rem;
    color: var(--board-text-muted);
    align-items: center;
}

.board-header__meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.board-header__status {
    gap: 1.25rem;
    font-size: 1.05rem;
}

.board-header__status time {
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    color: var(--board-text);
}

.board-header__error {
    color: var(--board-warn);
    font-weight: 600;
    display: none;
}

.board-header__error[aria-hidden="false"] {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.board-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(540px, 1fr));
    gap: 1.75rem;
    align-content: start;
}

.board-loader {
    min-height: 40vh;
    display: grid;
    place-items: center;
    color: var(--board-text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.95rem;
}

.board-stack {
    display: grid;
    gap: 1.75rem;
}

.section {
    display: grid;
    gap: 1.1rem;
}

.section__header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.section__title {
    font-size: clamp(1.5rem, 2.4vw, 1.9rem);
    font-weight: 600;
    letter-spacing: 0.04em;
}

.section__meta {
    color: var(--board-text-muted);
    font-size: 1rem;
}

.meta-banner {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    background: rgba(45, 212, 191, 0.1);
    border: 1px solid rgba(45, 212, 191, 0.25);
    border-radius: var(--panel-radius);
    padding: 0.85rem 1.15rem;
    font-size: 1rem;
    color: var(--board-text-muted);
}

.meta-banner strong {
    color: var(--board-text);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.stat-grid {
    display: grid;
    gap: 0.9rem;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.stat-card {
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.7));
    border: 1px solid var(--board-border);
    border-radius: var(--panel-radius);
    padding: 1.05rem 1.2rem;
    display: grid;
    gap: 0.35rem;
    min-height: 140px;
}

.stat-card__label {
    font-size: 0.95rem;
    text-transform: uppercase;
    color: var(--board-text-muted);
    letter-spacing: 0.12em;
}

.stat-card__value {
    font-size: clamp(2.2rem, 3.5vw, 2.7rem);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.stat-card__unit {
    color: var(--board-text-faint);
    font-size: 1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.stat-card__note {
    color: var(--board-text-muted);
    font-size: 0.95rem;
    font-style: italic;
}

.tandem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.stage-card {
    background: var(--board-panel);
    border: 1px solid var(--board-border);
    border-radius: var(--panel-radius);
    padding: 1rem 1.05rem 1.1rem;
    display: grid;
    gap: 0.75rem;
}

.stage-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.6rem;
}

.stage-card__title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.stage-card__badge {
    display: inline-flex;
    width: 1.85rem;
    height: 1.85rem;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    background: rgba(96, 165, 250, 0.2);
    border: 1px solid rgba(96, 165, 250, 0.45);
    font-size: 1rem;
}

.status-pill {
    border-radius: 999px;
    padding: 0.35rem 0.85rem;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: rgba(148, 163, 184, 0.18);
    border: 1px solid rgba(148, 163, 184, 0.35);
    color: var(--board-text);
}

.status-pill--ok {
    background: rgba(52, 211, 153, 0.18);
    border-color: rgba(52, 211, 153, 0.42);
    color: #bbf7d0;
}

.status-pill--warn {
    background: rgba(251, 191, 36, 0.18);
    border-color: rgba(251, 191, 36, 0.42);
    color: #fef3c7;
}

.status-pill--alert {
    background: rgba(248, 113, 113, 0.2);
    border-color: rgba(248, 113, 113, 0.42);
    color: #fecaca;
}

.status-pill--info {
    background: rgba(96, 165, 250, 0.2);
    border-color: rgba(96, 165, 250, 0.45);
    color: #bfdbfe;
}

.progress {
    display: grid;
    gap: 0.35rem;
}

.progress__track {
    position: relative;
    height: 0.8rem;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.2);
    overflow: hidden;
}

.progress__bar {
    position: absolute;
    inset: 0;
    width: 0;
    background: linear-gradient(90deg, rgba(45, 212, 191, 0.85), rgba(45, 212, 191, 0.45));
    transition: width 900ms cubic-bezier(0.4, 0, 0.2, 1);
}

.progress__label {
    font-size: 0.95rem;
    color: var(--board-text-muted);
    display: flex;
    justify-content: space-between;
    font-variant-numeric: tabular-nums;
}

.metric-list {
    display: grid;
    gap: 0.65rem;
}

.metric {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.65rem;
}

.metric__label {
    font-size: 1rem;
    color: var(--board-text-muted);
    letter-spacing: 0.05em;
}

.metric__value {
    font-size: 1.2rem;
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

.metric__value em {
    font-size: 0.95rem;
    color: var(--board-text-faint);
    font-style: normal;
    margin-left: 0.35rem;
}

.mini-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.7rem;
}

.mini-card {
    background: var(--board-panel-alt);
    border: 1px solid var(--board-border);
    border-radius: 14px;
    padding: 0.75rem 0.9rem;
    display: grid;
    gap: 0.35rem;
}

.mini-card__label {
    color: var(--board-text-muted);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.mini-card__value {
    font-size: 1.55rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.tank-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.9rem;
}

.tank-card {
    background: var(--board-panel);
    border: 1px solid var(--board-border);
    border-radius: var(--panel-radius);
    padding: 0.85rem 1rem;
    display: grid;
    gap: 0.6rem;
}

.tank-card__title {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.tank-card__meta {
    font-size: 0.95rem;
    color: var(--board-text-faint);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tank-card[data-level="low"] .progress__bar {
    background: linear-gradient(90deg, rgba(248, 113, 113, 0.9), rgba(248, 113, 113, 0.55));
}

.tank-card[data-level="caution"] .progress__bar {
    background: linear-gradient(90deg, rgba(251, 191, 36, 0.85), rgba(251, 191, 36, 0.5));
}

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

.equipment-card {
    background: var(--board-panel);
    border: 1px solid var(--board-border);
    border-radius: var(--panel-radius);
    padding: 1rem 1.1rem;
    display: grid;
    gap: 0.8rem;
}

.equipment-card__title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.equipment-card__rows {
    display: grid;
    gap: 0.7rem;
}

.equipment-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.6rem;
}

.equipment-row__label {
    color: var(--board-text-muted);
    font-size: 1rem;
    letter-spacing: 0.05em;
}

.equipment-row__value {
    font-size: 1.2rem;
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

.equipment-row__value small {
    font-size: 0.85rem;
    color: var(--board-text-faint);
    letter-spacing: 0.08em;
    margin-left: 0.35rem;
}

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

.equipment-mini {
    background: var(--board-panel-alt);
    border: 1px solid var(--board-border);
    border-radius: 14px;
    padding: 0.8rem 0.95rem;
    display: grid;
    gap: 0.45rem;
}

.equipment-mini__title {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 1rem;
    font-weight: 600;
}

[data-refresh-error="true"] {
    filter: saturate(0.5);
}

@media (max-width: 1180px) {
    .board-content {
        grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    }
}

@media (max-width: 900px) {
    .board-shell {
        padding-inline: clamp(1rem, 3vw, 1.5rem);
    }
    .board-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    body {
        font-size: 16px;
    }
    .board-header {
        align-items: flex-start;
    }
    .board-header__meta {
        flex-direction: column;
        align-items: flex-start;
    }
}