:root {
    --bg: #16130f;
    --panel: #1f1b16;
    --panel-2: #2a241d;
    --line: #3b342b;
    --fg: #ece3d3;
    --muted: #a39785;
    --accent: #f0a23a;
    --accent-ink: #1b1209;
    --f-display: "Press Start 2P", ui-monospace, monospace;
    --f-body: "Golos Text", system-ui, -apple-system, "Segoe UI", sans-serif;
    --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    color-scheme: dark;
}

html,
body {
    background: var(--bg);
    color: var(--fg)
}

body {
    font-family: var(--f-body);
    font-size: 15px;
    line-height: 1.5
}

.app {
    max-width: 1260px;
    margin: 0 auto;
    padding-inline: 16px;
    padding-block: 20px 36px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 310px;
    gap: 20px;
    align-items: start
}

header {
    grid-column: 1/-1;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px 20px
}

h1 {
    font-family: var(--f-display);
    font-size: 18px;
    letter-spacing: .04em;
    margin: 0;
    color: var(--accent);
    text-wrap: balance
}

header p {
    margin: 0;
    color: var(--muted);
    font-size: 14px
}

kbd {
    font-family: var(--f-mono);
    font-size: 12px;
    background: var(--panel-2);
    border: 1px solid var(--line);
    border-bottom-width: 2px;
    border-radius: 4px;
    padding: 0 5px;
    color: var(--fg)
}

.stage {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 12px
}

canvas {
    display: block;
    width: 100%;
    aspect-ratio: 256/160;
    max-width: 100%;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 4px;
    touch-action: none;
    cursor: crosshair
}

.bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px
}

.btn {
    font: 500 14px var(--f-body);
    color: var(--fg);
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 6px 12px;
    cursor: pointer;
    min-height: 34px
}

.btn:hover {
    background: var(--panel-2)
}

.btn:focus-visible,
.el:focus-visible,
input:focus-visible,
textarea:focus-visible,
.seg button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px
}

.btn.on {
    background: var(--accent);
    color: var(--accent-ink);
    border-color: var(--accent)
}

.btn.warn {
    border-color: #b5523a;
    color: #ffb39f
}

.btn.sm {
    font-size: 13px;
    padding: 4px 10px;
    min-height: 30px
}

.seg {
    display: inline-flex;
    border: 1px solid var(--line);
    border-radius: 6px;
    overflow: hidden
}

.seg button {
    font: 500 13px var(--f-body);
    color: var(--muted);
    background: var(--panel);
    border: 0;
    border-right: 1px solid var(--line);
    padding: 6px 11px;
    cursor: pointer;
    min-height: 34px
}

.seg button:last-child {
    border-right: 0
}

.seg button[aria-pressed="true"] {
    background: var(--panel-2);
    color: var(--accent)
}

.brush {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 13px;
    margin-left: auto
}

.brush input {
    width: 110px;
    accent-color: var(--accent)
}

.brush output {
    font-family: var(--f-mono);
    color: var(--fg);
    min-width: 2ch;
    text-align: right;
    font-variant-numeric: tabular-nums
}

.info {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 4px 16px;
    font-family: var(--f-mono);
    font-size: 12px;
    color: var(--muted);
    font-variant-numeric: tabular-nums
}

.info b {
    color: var(--fg);
    font-weight: 500
}

.legend {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--muted)
}

.legend i {
    display: block;
    width: 160px;
    max-width: 40vw;
    height: 8px;
    border-radius: 2px
}

.hint {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 12px 14px;
    display: flex;
    gap: 12px;
    align-items: flex-start
}

.hint .sw {
    flex: none;
    width: 28px;
    height: 28px;
    margin-top: 2px
}

.hint h2 {
    margin: 0 0 2px;
    font-size: 15px;
    font-weight: 600
}

.hint p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    max-width: 70ch
}

aside {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 0
}

.group h3 {
    margin: 0 0 8px;
    font: 500 11px var(--f-mono);
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted)
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px
}

.el {
    display: flex;
    align-items: center;
    gap: 8px;
    font: 500 13.5px var(--f-body);
    color: var(--fg);
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 6px 8px;
    cursor: pointer;
    text-align: left;
    min-height: 34px
}

.el:hover {
    background: var(--panel-2)
}

.el[aria-pressed="true"] {
    border-color: var(--accent);
    background: var(--panel-2);
    box-shadow: inset 0 0 0 1px var(--accent)
}

.sw {
    width: 16px;
    height: 16px;
    border-radius: 2px;
    flex: none;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .35)
}

.tips {
    font-size: 13px;
    color: var(--muted);
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 4px
}

.tips b {
    color: var(--fg);
    font-weight: 500
}

.slots {
    display: grid;
    gap: 6px
}

.slot {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px
}

.slot span {
    flex: 1;
    min-width: 0;
    color: var(--muted);
    font-family: var(--f-mono);
    font-size: 11.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis
}

.slot span b {
    color: var(--fg);
    font-weight: 500;
    font-family: var(--f-body);
    font-size: 13px;
    margin-right: 6px
}

textarea {
    width: 100%;
    box-sizing: border-box;
    min-height: 64px;
    resize: vertical;
    font: 12px/1.4 var(--f-mono);
    color: var(--fg);
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 8px;
    word-break: break-all
}

.row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px
}

.status {
    font-size: 12.5px;
    color: var(--accent);
    min-height: 1.4em;
    margin: 6px 0 0
}

@media (max-width:900px) {
    .app {
        grid-template-columns: minmax(0, 1fr)
    }

    .grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr))
    }

    .brush {
        margin-left: 0
    }
}

@media (prefers-reduced-motion:reduce) {
    * {
        transition: none !important
    }
}