/**
 * Environmental Monitoring Dashboard - Public styles.
 *
 * Scoped entirely under .emd-public so the dashboard drops into any
 * theme without inheriting or leaking styles. Colours are driven by
 * custom properties, which is what makes the light, dark and auto
 * themes a single rule set rather than three.
 */

.emd-public {
    --emd-public-bg: #ffffff;
    --emd-public-surface: #f8fafc;
    --emd-public-border: #dfe5ec;
    --emd-public-text: #172033;
    --emd-public-muted: #667085;
    --emd-public-accent: #315efb;
    --emd-public-radius: 14px;
    --emd-public-shadow: 0 2px 10px rgba(16, 24, 40, 0.06);

    box-sizing: border-box;
    max-width: 100%;
    margin: 0 0 28px;
    color: var(--emd-public-text);
    font-size: 15px;
    line-height: 1.45;
}

.emd-public *,
.emd-public *::before,
.emd-public *::after {
    box-sizing: inherit;
}

.emd-public--dark {
    --emd-public-bg: #131722;
    --emd-public-surface: #1b2030;
    --emd-public-border: #2b3242;
    --emd-public-text: #eef1f6;
    --emd-public-muted: #98a2b3;
    --emd-public-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: dark) {
    .emd-public--auto {
        --emd-public-bg: #131722;
        --emd-public-surface: #1b2030;
        --emd-public-border: #2b3242;
        --emd-public-text: #eef1f6;
        --emd-public-muted: #98a2b3;
        --emd-public-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
    }
}

.emd-public .emd-public__title {
    margin: 0 0 16px;
    color: var(--emd-public-text);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Visible only to assistive technology */

.emd-public .emd-public__sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

/* Data age notice */

.emd-public .emd-public__notice {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 14px;
    padding: 11px 14px;
    background: var(--emd-public-surface);
    border: 1px solid var(--emd-public-border);
    border-left: 3px solid #d97706;
    border-radius: 0 8px 8px 0;
    color: var(--emd-public-text);
    font-size: 13px;
    font-weight: 600;
}

/* Summary cards */

.emd-public__cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.emd-public__card {
    position: relative;
    padding: 16px 16px 16px 20px;
    overflow: hidden;
    background: var(--emd-public-bg);
    border: 1px solid var(--emd-public-border);
    border-radius: var(--emd-public-radius);
    box-shadow: var(--emd-public-shadow);
}

.emd-public__card::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 4px;
    background: var(--emd-public-accent);
}

.emd-public .emd-public__card-label {
    display: block;
    margin-bottom: 8px;
    color: var(--emd-public-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.emd-public .emd-public__card-value {
    display: block;
    color: var(--emd-public-text);
    font-size: 26px;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}

.emd-public .emd-public__card-note {
    display: block;
    margin-top: 4px;
    color: var(--emd-public-muted);
    font-size: 13px;
}

/* Chart panel */

.emd-public__panel {
    background: var(--emd-public-bg);
    border: 1px solid var(--emd-public-border);
    border-radius: var(--emd-public-radius);
    box-shadow: var(--emd-public-shadow);
}

.emd-public__controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--emd-public-border);
}

.emd-public__metrics,
.emd-public__ranges,
.emd-public__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.emd-public .emd-public__actions .emd-public__button[hidden] {
    display: none;
}

/* Fullscreen chart panel */

.emd-public__panel:fullscreen {
    display: flex;
    flex-direction: column;
    border-radius: 0;
    background: var(--emd-public-bg);
}

.emd-public__panel:fullscreen {
    overflow-y: auto;
}

.emd-public__panel:fullscreen .emd-public__chart {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.emd-public__panel:fullscreen .emd-public__chart-wrap {
    flex: 1 1 auto;
    height: auto !important;
    min-height: 220px;
}

.emd-public .emd-public__button {
    min-height: 34px;
    margin: 0;
    padding: 6px 12px;
    background: var(--emd-public-surface);
    border: 1px solid var(--emd-public-border);
    border-radius: 8px;
    color: var(--emd-public-muted);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    transition:
        background 0.16s ease,
        border-color 0.16s ease,
        color 0.16s ease;
}

.emd-public .emd-public__button:hover:not(:disabled),
.emd-public .emd-public__button:focus-visible {
    border-color: var(--emd-public-accent);
    color: var(--emd-public-text);
}

.emd-public .emd-public__button.is-active {
    background: var(--emd-public-accent);
    border-color: var(--emd-public-accent);
    color: #ffffff;
}

.emd-public .emd-public__button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Statistics */

.emd-public__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 1px;
    padding: 0;
    background: var(--emd-public-border);
    border-bottom: 1px solid var(--emd-public-border);
}

.emd-public__stats > div {
    padding: 12px 16px;
    background: var(--emd-public-bg);
}

.emd-public .emd-public__stats span {
    display: block;
    margin-bottom: 5px;
    color: var(--emd-public-muted);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.emd-public .emd-public__stats strong {
    display: block;
    color: var(--emd-public-text);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.01em;
    font-variant-numeric: tabular-nums;
}

/* Stacked chart blocks */

.emd-public__chart + .emd-public__chart {
    border-top: 1px solid var(--emd-public-border);
}

/*
 * Above tablet width the stacked panels become a grid, so nine charts
 * do not force nine screens of scrolling. Panels marked wide span the
 * full width because their series are hard to read when narrow.
 */
@media screen and (min-width: 900px) {
    .emd-public__panel:has(.emd-public__chart--wide),
    .emd-public__panel {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1px;
        background: var(--emd-public-border);
    }

    .emd-public__controls,
    .emd-public__diagnostic--panel {
        grid-column: 1 / -1;
        background: var(--emd-public-bg);
    }

    .emd-public__chart {
        min-width: 0;
        background: var(--emd-public-bg);
        border-top: 0 !important;
    }

    .emd-public__chart--wide {
        grid-column: 1 / -1;
    }
}

@media screen and (min-width: 1400px) {
    .emd-public__panel {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .emd-public__chart--wide {
        grid-column: span 2;
    }
}

.emd-public__chart-header {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 14px 16px 0;
}

.emd-public__chart-swatch {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.emd-public .emd-public__chart-title {
    flex: 1 1 auto;
    margin: 0;
    padding: 0;
    color: var(--emd-public-text);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.emd-public .emd-public__button--small {
    min-height: 28px;
    padding: 3px 10px;
    font-size: 12px;
}

/* Chart surface */

.emd-public__chart-wrap {
    position: relative;
    padding: 16px;
}

.emd-public__chart-wrap canvas {
    width: 100% !important;
    height: 100% !important;
}

.emd-public__loading,
.emd-public__message {
    position: absolute;
    inset: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    background: var(--emd-public-bg);
    border-radius: 10px;
    color: var(--emd-public-muted);
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    z-index: 5;
}

.emd-public__loading[hidden],
.emd-public__message[hidden] {
    display: none !important;
}

.emd-public__loading::before {
    content: "";
    width: 18px;
    height: 18px;
    margin-right: 10px;
    border: 3px solid var(--emd-public-border);
    border-top-color: var(--emd-public-accent);
    border-radius: 50%;
    animation: emd-public-spin 0.8s linear infinite;
}

@keyframes emd-public-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .emd-public__loading::before {
        animation: none;
    }
}

/* Footer */

.emd-public .emd-public__footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    margin: 10px 0 0;
    color: var(--emd-public-muted);
    font-size: 12px;
}

.emd-public .emd-public__footer:empty {
    display: none;
}

.emd-public--empty {
    padding: 20px;
    background: var(--emd-public-surface);
    border: 1px solid var(--emd-public-border);
    border-radius: var(--emd-public-radius);
    color: var(--emd-public-muted);
    text-align: center;
}

.emd-public.emd-public--empty p {
    margin: 0;
}

.emd-public .emd-public__diagnostic {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--emd-public-border);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12px;
    opacity: 0.85;
}

.emd-public .emd-public__diagnostic--panel {
    margin: 0;
    padding: 10px 16px;
    border-top: 0;
    border-bottom: 1px solid var(--emd-public-border);
    color: #d63638;
}

/* Narrow screens */

@media screen and (max-width: 600px) {
    .emd-public__controls {
        flex-direction: column;
        align-items: stretch;
    }

    .emd-public__metrics,
    .emd-public__ranges,
    .emd-public__actions {
        width: 100%;
    }

    .emd-public .emd-public__button {
        flex: 1 1 auto;
    }

    .emd-public__card-value {
        font-size: 23px;
    }
}