/* The v6 app: a true black page, the canvas filling it, and a thin top bar of text over it. Every HUD size is in rem,
   so the root font size (`ui-scale.js`) scales it. */

:root {
    color-scheme: dark;
    --bar-height: 2.5rem;
    --text: rgb(208, 218, 230);
    --text-dim: rgb(152, 164, 178);
}

html {
    font-size: 16px;
}

html,
body {
    margin: 0;
    height: 100%;
    overflow: hidden;
    background: #000;
    color: var(--text);
}

body {
    font: 0.9375rem/1 system-ui, -apple-system, 'Segoe UI', sans-serif;
}

#canvas-container {
    position: fixed;
    inset: 0;
    background: #000;
    touch-action: none;
}

#canvas-container canvas {
    display: block;
    width: 100%;
    height: 100%;
}

#top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--bar-height);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 0.875rem;
    box-sizing: border-box;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 0.25rem #000, 0 0 0.125rem #000;
    pointer-events: none;
    user-select: none;
}

#top-bar > * {
    flex: none;
    white-space: nowrap;
}

/* On a window too narrow for the buttons as well, the live world numbers give way. */
@media (max-width: 1400px) {
    #top-bar > .top-bar-predators,
    #top-bar > .top-bar-calls,
    #top-bar > .top-bar-dominant {
        display: none;
    }
}

/* The status sentence gives way first, so the buttons stay on screen on a narrow window. */
#top-bar > .top-bar-status {
    flex: 0 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

#top-bar .top-bar-speed,
#top-bar .top-bar-predators,
#top-bar .top-bar-calls,
#top-bar .top-bar-dominant,
#top-bar .top-bar-population {
    color: var(--text-dim);
}

#top-bar .top-bar-notice {
    margin-left: auto;
    color: #ffd27a;
}

[hidden] {
    display: none !important;
}

#hud.hud-hidden {
    display: none;
}

#top-bar .top-bar-seasonBox {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--text-dim);
}

.season-ring {
    --p: 0%;
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background: conic-gradient(var(--text) var(--p), rgba(255, 255, 255, 0.15) 0);
}

.top-bar-types {
    display: inline-flex;
    gap: 0.75rem;
}

.top-bar-type {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.control {
    pointer-events: auto;
    font: inherit;
    color: var(--text);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 4px;
    padding: 0.25rem 0.5rem;
    cursor: pointer;
}

.control:hover,
.control.on {
    background: rgba(255, 255, 255, 0.2);
}

.control:focus-visible {
    outline: 2px solid #6cc6ff;
}

.control-seed {
    width: 9ch;
    cursor: text;
    font-variant-numeric: tabular-nums;
}

.control-seed.invalid {
    border-color: #ff5d73;
}

#ticker {
    position: fixed;
    left: 0.875rem;
    bottom: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    pointer-events: none;
    max-width: 60vw;
}

.ticker-line {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.55);
    color: var(--text);
    transition: opacity 0.2s linear;
}

.ticker-extinct,
.ticker-pack-kill {
    color: #ff9aa8;
}

.ticker-new-leader,
.ticker-elite {
    color: #9ef0c8;
}

.drawer {
    position: fixed;
    top: var(--bar-height);
    right: 0;
    bottom: 0;
    width: min(30vw, 27.5rem);
    min-width: 17.5rem;
    box-sizing: border-box;
    padding: 0.75rem;
    overflow-y: auto;
    background: rgba(4, 6, 10, 0.88);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateX(100%);
    transition: transform 0.18s ease-out;
    pointer-events: none;
    visibility: hidden;
}

.drawer.open {
    transform: none;
    pointer-events: auto;
    visibility: visible;
}

.drawer h3 {
    margin: 0.75rem 0 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-dim);
}

.help-keys {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.375rem 0.875rem;
    margin: 0;
}

.help-keys dt {
    font-weight: 600;
    white-space: nowrap;
}

.help-keys dd {
    margin: 0;
    color: var(--text-dim);
}

.inspector-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.inspector-radar,
.inspector-heatmap {
    display: block;
    width: 9.375rem;
    height: 9.375rem;
    margin: 0.5rem 0;
}

.bar-group {
    margin: 0.625rem 0 0.25rem;
    font-size: 0.6875rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-dim);
}

.bar-row {
    display: grid;
    grid-template-columns: 11ch 1fr;
    align-items: center;
    gap: 0.5rem;
    margin: 0.125rem 0;
    font-size: 0.75rem;
    color: var(--text-dim);
}

.bar-row.firing {
    color: #ffd27a;
}

.bar-track {
    position: relative;
    height: 0.375rem;
    background: rgba(255, 255, 255, 0.08);
}

.bar-fill {
    position: absolute;
    top: 0;
    bottom: 0;
    background: #ff9a3c;
}

.bar-fill.neg {
    background: #4a86ff;
}

.inspector-counters {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.25rem 0.75rem;
    margin: 0.75rem 0 0;
    font-size: 0.75rem;
}

.counter-label {
    color: var(--text-dim);
}

.counter-value {
    margin: 0;
}

.toasts {
    position: fixed;
    left: 0.875rem;
    top: calc(var(--bar-height) + 0.625rem);
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    pointer-events: none;
}

.toast {
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    background: rgba(20, 24, 32, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.uplot,
.uplot .u-legend {
    font-size: 0.6875rem;
}

.app-message {
    position: fixed;
    inset: 0;
    margin: 0;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    text-align: center;
    font-size: 1rem;
    line-height: 1.5;
}

#top-bar,
#ticker,
.toasts {
    transition: opacity 0.2s linear;
}

#hud.hud-idle #top-bar,
#hud.hud-idle #ticker,
#hud.hud-idle .toasts {
    opacity: 0;
    transition: opacity 1.5s linear;
}

html.cursor-hidden,
html.cursor-hidden * {
    cursor: none !important;
}

.peek {
    position: fixed;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    background: rgba(8, 10, 14, 0.82);
    pointer-events: none;
    white-space: nowrap;
}

.peek-chip {
    width: 0.625rem;
    height: 0.625rem;
    border-radius: 50%;
}

.title-card {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    max-width: 36rem;
    padding: 1.5rem 2rem;
    text-align: center;
    border-radius: 0.5rem;
    background: rgba(4, 6, 10, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.12);
    pointer-events: none;
}

.title-card-sentence {
    margin: 0 0 1rem;
    font-size: 1.25rem;
    line-height: 1.4;
}

.legend-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem 1.25rem;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.legend-caption,
.legend-watch {
    margin: 0.75rem 0 0;
    color: var(--text-dim);
}

.help-legend {
    margin-bottom: 1rem;
}

.help-debug {
    display: flex;
    gap: 1rem;
    color: var(--text-dim);
}

.inspector-now {
    margin: 0 0 0.5rem;
    color: var(--text-dim);
}