:root {
    color-scheme: dark;
    --ink: #e8e0ca;
    --muted: #9b9588;
    --paper: #171916;
    --panel: #20221d;
    --panel-2: #292b24;
    --line: #3b3e33;
    --gold: #e7b650;
    --cyan: #70d7c7;
    --red: #e67661;
    --shadow: #090a08;
    font-family: "IBM Plex Mono", "Cascadia Mono", Consolas, monospace;
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    min-width: 320px;
    margin: 0;
}

body {
    display: flex;
    min-height: 0;
    flex-direction: column;
    overflow: hidden;
    color: var(--ink);
    background:
        linear-gradient(rgba(255, 255, 255, .018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .018) 1px, transparent 1px),
        radial-gradient(circle at 20% 0%, #30332a 0, #141612 42rem);
    background-size: 24px 24px, 24px 24px, auto;
}

[hidden] {
    display: none !important;
}

button,
input,
select {
    font: inherit;
}

button {
    color: inherit;
}

button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
}

button:disabled {
    cursor: not-allowed;
    opacity: .42;
}

input[type="text"],
input[type="number"],
input[type="search"],
select {
    width: 100%;
    min-width: 0;
    min-height: 32px;
    border: 1px solid #484b3f;
    border-radius: 3px;
    padding: 6px 8px;
    color: var(--ink);
    background: #181a16;
}

.context-row {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 9px;
    color: var(--muted);
    font-size: 10px;
}

.context-row strong {
    color: var(--cyan);
}

input[readonly] {
    color: var(--muted);
    background: #151713;
}

input[type="checkbox"],
input[type="range"] {
    accent-color: var(--gold);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
}

.eyebrow {
    margin: 0 0 5px;
    color: var(--cyan);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.project-hub {
    display: grid;
    min-height: 100vh;
    padding: 28px;
    place-items: center;
}

.hub-card {
    position: relative;
    width: min(610px, 100%);
    border: 1px solid var(--line);
    border-top: 3px solid var(--gold);
    padding: clamp(30px, 7vw, 62px);
    background: rgba(29, 31, 26, .96);
    box-shadow: 0 24px 80px rgba(0, 0, 0, .42);
}

.hub-card::after {
    content: "B";
    position: absolute;
    top: 20px;
    right: 24px;
    color: rgba(231, 182, 80, .09);
    font: 500 96px/1 Georgia, "Times New Roman", serif;
}

.hub-card h1,
.app-header h1 {
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    font-weight: 500;
    letter-spacing: -.035em;
}

.hub-card h1 {
    position: relative;
    z-index: 1;
    font-size: clamp(38px, 9vw, 68px);
}

.hub-copy {
    max-width: 480px;
    margin: 22px 0 28px;
    color: #bbb5a7;
    font-size: 13px;
    line-height: 1.75;
}

.hub-actions,
.header-actions,
.inline-actions,
.tool-group,
.cursor-status,
.status-controls {
    display: flex;
    align-items: center;
    gap: 7px;
}

.hub-actions {
    flex-wrap: wrap;
}

.hub-actions .action {
    min-width: 140px;
}

.hub-status {
    min-height: 1.5em;
    margin: 22px 0 0;
    padding-left: 10px;
    border-left: 2px solid var(--cyan);
    color: var(--muted);
    font-size: 10px;
    line-height: 1.5;
}

.editor-shell {
    display: flex;
    width: 100%;
    height: 100%;
    min-height: 0;
    margin: 0 auto;
    flex-direction: column;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin: 0 22px 12px;
    border-bottom: 1px solid var(--line);
    padding: 10px 0;
}

.brand-block {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 11px;
}

.brand-mark {
    display: grid;
    width: 34px;
    height: 34px;
    flex: 0 0 auto;
    border: 1px solid var(--gold);
    color: var(--gold);
    place-items: center;
    font: 500 20px/1 Georgia, "Times New Roman", serif;
}

.app-header h1 {
    overflow: hidden;
    color: var(--gold);
    font-size: clamp(20px, 3vw, 31px);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.header-actions {
    flex: 0 0 auto;
}

.action.header-help {
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    min-height: 32px;
    padding: 0;
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.action.header-help svg {
    width: 16px;
    height: 16px;
    fill: currentColor !important;
    stroke: none !important;
}

.editor-layout {
    display: grid;
    flex: 1;
    grid-template-columns: minmax(260px, 320px) minmax(480px, 1fr) minmax(230px, 280px);
    grid-template-rows: minmax(0, 1fr);
    grid-template-areas: "left canvas right";
    gap: 16px;
    min-height: 0;
    overflow: hidden;
    padding: 0 22px 10px;
    align-items: stretch;
}

.left-stack,
.right-stack {
    display: grid;
    gap: 16px;
    height: 100%;
    max-height: none;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: none;
    min-width: 0;
    align-content: start;
}

.left-stack::-webkit-scrollbar,
.right-stack::-webkit-scrollbar { display: none; }

.left-stack .panel,
.right-stack .panel { overflow: clip; }

.left-stack {
    grid-area: left;
}

.right-stack {
    grid-area: right;
}

.panel {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: rgba(29, 31, 26, .96);
    box-shadow: 0 16px 38px rgba(0, 0, 0, .24);
}

.panel-title {
    position: sticky;
    top: 0;
    z-index: 2;
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    min-height: 45px;
    margin: 0;
    border: 0;
    border-bottom: 1px solid var(--line);
    padding: 10px 34px 10px 13px;
    color: var(--ink);
    background: var(--panel-2);
    cursor: pointer;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.panel-title::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 14px;
    width: 7px;
    height: 7px;
    margin-top: -2px;
    border-right: 2px solid var(--muted);
    border-bottom: 2px solid var(--muted);
    transform: rotate(-135deg);
    transition: transform .15s ease;
}

.panel-title:hover { background: #303229; }
.panel.collapsed > .panel-title { border-bottom: 0; }
.panel.collapsed > .panel-title::after { margin-top: -5px; transform: rotate(45deg); }
.panel.collapsed > :not(.panel-title) { display: none; }

.badge {
    margin-left: auto;
    margin-right: 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 2px 6px;
    color: var(--cyan);
    background: #181a16;
    font-size: 9px;
    font-weight: 500;
    letter-spacing: .06em;
    text-transform: lowercase;
}

.panel-content {
    padding: 12px;
}

.compact-content {
    padding-bottom: 5px;
}

.action,
.tool {
    min-height: 32px;
    border: 1px solid #484b3f;
    border-radius: 3px;
    padding: 6px 9px;
    cursor: pointer;
    background: #181a16;
    font-size: 11px;
}

.action:hover:not(:disabled),
.tool:hover:not(:disabled) {
    border-color: #747967;
    background: #24271f;
}

.action.primary {
    border-color: var(--gold);
    color: #17140d;
    background: var(--gold);
    font-weight: 800;
}

.action.danger:hover:not(:disabled) {
    border-color: var(--red);
    color: var(--red);
}

.tool.active,
.tool[aria-pressed="true"] {
    border-color: var(--cyan);
    color: #0b1715;
    background: var(--cyan);
    font-weight: 700;
}

.icon-action {
    display: inline-grid;
    width: 32px;
    padding: 0;
    place-items: center;
    font-size: 16px;
}

.icon-action svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.field {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(78px, 1.4fr);
    align-items: center;
    gap: 10px;
    margin-bottom: 9px;
    color: var(--muted);
    font-size: 10px;
    letter-spacing: .04em;
}

.field-stack {
    grid-template-columns: 1fr;
    gap: 6px;
}

.pill-editor { display: block; min-width: 0; width: 100%; }
.pill-edit-button {
    display: flex;
    width: 100%;
    min-height: 28px;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 0;
    border-radius: 999px;
    padding: 5px 10px;
    color: var(--ink);
    background: #181a16;
    cursor: pointer;
    font: inherit;
    font-size: 10px;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.pill-edit-button:hover { box-shadow: inset 0 0 0 1px var(--cyan); }
.pill-editor:not(.editing) .pill-edit-control { display: none; }
.pill-editor.editing .pill-edit-button { display: none; }
.pill-editor.editing .pill-edit-control { display: block; width: 100%; }

.field-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.inline-actions {
    flex-wrap: wrap;
    margin-top: 9px;
}

.inline-actions .action {
    flex: 1 1 auto;
}

.layer-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    margin-top: 9px;
}

.layer-actions .action {
    width: 100%;
}

.project-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    margin: 12px 0 0;
    border: 1px solid var(--line);
    background: var(--line);
}

.project-metric {
    padding: 9px;
    background: #181a16;
}

.project-metric dt {
    color: var(--gold);
    font-size: 9px;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.project-metric dd {
    margin: 4px 0 0;
    color: var(--cyan);
    font-size: 18px;
}

.scene-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    margin: 0;
    border: 1px solid var(--line);
    border-top: 0;
    background: var(--line);
}

.scene-metric {
    min-width: 0;
    padding: 8px;
    background: #181a16;
}

.scene-metric dt {
    margin-bottom: 5px;
    color: var(--gold);
    font-size: 8px;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.scene-metric dd {
    margin: 0;
    overflow: hidden;
    color: var(--ink);
    font-size: 11px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.metatile-editor {
    display: grid;
    min-height: 150px;
    margin-top: 11px;
    border: 1px solid #55594a;
    background-color: #11130f;
    background-image:
        linear-gradient(45deg, #1c1e19 25%, transparent 25%),
        linear-gradient(-45deg, #1c1e19 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #1c1e19 75%),
        linear-gradient(-45deg, transparent 75%, #1c1e19 75%);
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
    background-size: 16px 16px;
    place-items: center;
    grid-auto-rows: minmax(30px, 1fr);
    overflow: hidden;
}

.metatile-editor p,
.empty-note {
    margin: 0;
    padding: 16px;
    color: var(--muted);
    font-size: 10px;
    line-height: 1.5;
    text-align: center;
}

.resource-list {
    display: grid;
    gap: 5px;
    max-height: 140px;
    margin-top: 9px;
    overflow-y: auto;
}

.resource-button,
.preview-button,
.metatile-cell,
.layer-select,
.visibility-button {
    border: 1px solid var(--line);
    color: var(--ink);
    background: #151713;
    cursor: pointer;
}

.resource-button.selected,
.preview-button.selected,
.layer-row.selected {
    border-color: var(--cyan);
    background: #20332e;
}

.layer-row.drop-target {
    border-color: var(--gold);
    box-shadow: inset 0 0 0 1px rgba(231, 182, 80, .35);
}

.resource-button {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 5px;
    text-align: left;
}

.preview-canvas,
.metatile-preview-canvas {
    display: block;
    max-width: 100%;
    image-rendering: pixelated;
}

.metatile-preview-canvas {
    width: 40px;
    height: 40px;
    object-fit: contain;
    background: #0d0f0c;
}

.metatile-cell {
    position: relative;
    display: grid;
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 30px;
    padding: 0;
    place-items: center;
    background-color: rgba(17, 19, 15, .72);
}

.metatile-cell .preview-canvas {
    width: 100%;
    height: 100%;
}

.collision-overlay {
    position: absolute;
    inset: 2px;
    display: grid;
    color: #fff;
    background: rgba(230, 118, 97, .62);
    font-size: 10px;
    font-weight: 800;
    place-items: center;
}

.palette-controls {
    display: flex;
    gap: 7px;
    padding: 10px;
    border-bottom: 1px solid var(--line);
}

.palette-controls .search {
    flex: 1;
}

.tile-palette {
    display: block;
    gap: 5px;
    min-height: 116px;
    max-height: 250px;
    overflow: auto;
    padding: 9px;
}

.tile-group {
    margin-bottom: 7px;
    border: 1px solid var(--line);
    background: #181a16;
}

.tile-group summary {
    padding: 7px 8px;
    color: var(--cyan);
    cursor: pointer;
    font-size: 10px;
}

.tile-group-grid {
    display: grid;
    grid-template-columns: repeat(var(--tileset-columns), 38px);
    gap: 4px;
    padding: 5px;
    width: max-content;
}

.tile-preview {
    display: grid;
    min-width: 36px;
    aspect-ratio: 1;
    padding: 4px;
    place-items: center;
}

.tile-preview .preview-canvas {
    width: 100%;
    height: 100%;
}

.tile-palette .empty-note {
    grid-column: 1 / -1;
    place-self: center;
}

.canvas-panel {
    position: sticky;
    top: 0;
    display: flex;
    grid-area: canvas;
    height: 100%;
    min-height: 0;
    flex-direction: column;
    padding-bottom: 11px;
}

.canvas-toolbar {
    display: flex;
    min-height: 51px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    border-bottom: 1px solid var(--line);
    padding: 9px 11px;
    background: var(--panel-2);
}

.canvas-wrap {
    position: relative;
    width: min(512px, calc(100% - 24px));
    aspect-ratio: 1;
    margin: 12px auto 8px;
    overflow: hidden;
    border: 1px solid #55594a;
    background-color: #11130f;
    background-image:
        linear-gradient(45deg, #1c1e19 25%, transparent 25%),
        linear-gradient(-45deg, #1c1e19 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #1c1e19 75%),
        linear-gradient(-45deg, transparent 75%, #1c1e19 75%);
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
    background-size: 16px 16px;
    touch-action: none;
}

.canvas-stage {
    position: absolute;
    top: 0;
    left: 0;
    width: 512px;
    height: 512px;
    transform: translate(0, 0);
    transform-origin: 0 0;
}

#mapCanvas {
    display: block;
    width: 512px;
    height: 512px;
    cursor: crosshair;
    image-rendering: pixelated;
}

.canvas-wrap.panning,
.canvas-wrap.panning #mapCanvas {
    cursor: grabbing;
}

.layer-list {
    display: grid;
    gap: 5px;
    min-height: 90px;
    max-height: 260px;
    margin-bottom: 8px;
    overflow-y: auto;
}

.layer-row {
    display: grid;
    grid-template-columns: 31px 31px minmax(0, 1fr);
    align-items: center;
    gap: 5px;
    margin-left: calc(var(--layer-depth) * 12px);
    border: 1px solid #3d4035;
    border-radius: 3px;
    padding: 5px;
    cursor: pointer;
    background: #181a16;
}

.layer-row:hover { border-color: #626755; }
.layer-row.active { border-color: var(--gold); background: #29271d; box-shadow: inset 3px 0 0 var(--gold); }
.layer-row.group-row { background: #151714; }
.layer-row.group-row.active { border-color: var(--gold); }

.layer-select {
    min-width: 0;
    border: 0;
    padding: 0;
    overflow: hidden;
    text-align: left;
    text-overflow: ellipsis;
    white-space: nowrap;
    background: inherit;
}

.layer-select strong,
.layer-select span { display: block; }
.layer-select strong { color: var(--ink); font-size: 11px; font-weight: 600; }
.layer-select span { margin-top: 2px; color: var(--muted); font-size: 9px; }

.layer-type-icon,
.layer-icon {
    display: grid;
    width: 31px;
    height: 28px;
    place-items: center;
}

.layer-type-icon { color: var(--cyan); }
.group-row .layer-type-icon { color: var(--gold); }

.layer-icon {
    padding: 0;
    border: 1px solid #414438;
    border-radius: 2px;
    color: var(--muted);
    background: #11130f;
    cursor: pointer;
}

.layer-icon:hover { border-color: var(--cyan); color: var(--cyan); }
.layer-icon svg { pointer-events: none; }

.kbd {
    display: inline-block;
    min-width: 18px;
    padding: 1px 5px;
    border: 1px solid #4a4d41;
    border-bottom-width: 2px;
    border-radius: 2px;
    color: #c7c1b1;
    background: #20221d;
    font-size: 9px;
    line-height: 1.2;
    text-align: center;
}

.toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 9px;
    color: var(--muted);
    font-size: 11px;
}

.toggle input {
    flex: 0 0 auto;
}

.inspector .field:last-child {
    margin-bottom: 0;
}

.slider-field {
    grid-template-columns: 56px minmax(0, 1fr);
}

.property-slider {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 36px;
    align-items: center;
    gap: 6px;
}

.property-slider input {
    min-width: 0;
    width: 100%;
}

.property-slider output {
    color: var(--cyan);
    text-align: right;
}

.history-list {
    display: grid;
    max-height: 120px;
    overflow-y: auto;
    padding: 7px;
}

.history-row {
    position: relative;
    display: grid;
    grid-template-columns: 20px minmax(0, 1fr);
    align-items: center;
    width: 100%;
    min-height: 34px;
    border: 0;
    border-bottom: 1px solid #34372e;
    padding: 6px 8px;
    color: var(--muted);
    background: transparent;
    cursor: pointer;
    font-size: 10px;
    text-align: left;
}

.history-row::before { content: ""; width: 7px; height: 7px; border: 1px solid #656958; border-radius: 50%; background: #181a16; }
.history-row.current {
    color: var(--ink);
    background: #302c1f;
    box-shadow: inset 2px 0 0 var(--gold);
}
.history-row.current::before { border-color: var(--gold); background: var(--gold); box-shadow: 0 0 0 2px rgba(231,182,80,.14); }

.history-row.future {
    opacity: .45;
}

.history-row:hover {
    color: var(--ink);
    background: #272920;
}

.saved-marker {
    color: var(--cyan);
    text-transform: uppercase;
}

.status-bar {
    display: grid;
    grid-template-columns: minmax(0, 3fr) auto minmax(0, 1fr);
    align-items: center;
    gap: 16px;
    min-height: 34px;
    border-top: 1px solid var(--line);
    padding: 7px 22px;
    color: var(--muted);
    background: rgba(18, 20, 16, .97);
    font-size: 10px;
}

.cursor-status {
    flex-wrap: wrap;
    gap: 16px;
}

.status-action {
    width: 24px;
    height: 24px;
    min-height: 24px;
    padding: 0;
    border-color: transparent;
    background: transparent;
}

.zoom-slider {
    width: 120px;
}

#commandsDialog {
    width: min(620px, calc(100vw - 32px));
    max-height: min(700px, calc(100vh - 32px));
    border: 1px solid var(--line);
    border-radius: 5px;
    padding: 0;
    color: var(--ink);
    box-shadow: 0 24px 70px rgba(0, 0, 0, .6);
}
#commandsDialog::backdrop { background: rgba(2, 3, 2, .72); backdrop-filter: blur(2px); }
.commands-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); padding: 13px 14px; background: var(--panel-2); }
.commands-header h2 { margin: 0; color: var(--gold); font-size: 12px; letter-spacing: .13em; text-transform: uppercase; }
.commands-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.5rem; padding: 16px; background: var(--panel); }
.commands-column { display: grid; align-content: start; gap: 18px; }
.commands-body h3 { margin: 0 0 8px; color: var(--cyan); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.commands-list { display: grid; gap: 5px; margin: 0; }
.commands-list > div { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px; border-bottom: 1px solid #323232; padding: .25rem 0; color: var(--muted); font-size: 10px; line-height: 1.45; }
.commands-list > div:last-child { border-bottom: 0; }
.commands-list > div > :last-child { width: 75px; color: var(--ink); text-align: right; }

.status {
    justify-self: end;
    max-width: 100%;
    min-width: 0;
    margin: 0;
    overflow: hidden;
    border-left: 2px solid var(--cyan);
    padding-left: 10px;
    color: #b8b4a7;
    line-height: 1.5;
    text-align: right;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.status.error,
.hub-status.error {
    border-color: var(--red);
    color: #efad9f;
}

@media (max-width: 1120px) {
    .editor-layout {
        grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
        grid-template-areas:
            "canvas right"
            "left right";
    }

    .canvas-panel {
        position: static;
        min-height: 600px;
    }

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

    .tileset-panel {
        grid-column: 1 / -1;
    }
}

@media (max-width: 760px) {
    body { display: block; overflow: auto; }

    .editor-shell { height: auto; min-height: 100vh; }

    .app-header {
        align-items: flex-start;
        margin: 0 12px;
    }

    .header-actions {
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .header-actions .action:not(.icon-action) {
        padding-inline: 7px;
    }

    .editor-layout {
        grid-template-columns: minmax(0, 1fr);
        grid-template-areas:
            "canvas"
            "left"
            "right";
        padding: 12px;
    }

    .canvas-panel {
        min-height: auto;
    }

    .canvas-wrap {
        margin-block: 12px 4px;
    }

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

    .right-stack .panel:first-child,
    .right-stack .panel:last-child {
        grid-column: 1 / -1;
    }

    .status-bar {
        grid-template-columns: 1fr auto;
        padding-inline: 12px;
    }

    .status {
        grid-column: 1 / -1;
        grid-row: 2;
        justify-self: stretch;
        text-align: left;
    }
}

@media (max-width: 600px) {
    .commands-body { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 520px) {
    .project-hub {
        padding: 14px;
    }

    .hub-card {
        padding: 28px 22px;
    }

    .hub-actions .action {
        flex: 1 1 100%;
    }

    .app-header {
        display: grid;
        gap: 9px;
    }

    .header-actions {
        justify-content: flex-start;
    }

    .left-stack,
    .right-stack {
        grid-template-columns: minmax(0, 1fr);
    }

    .tileset-panel,
    .right-stack .panel:first-child,
    .right-stack .panel:last-child {
        grid-column: auto;
    }

    .canvas-toolbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .tool-group[role="toolbar"] {
        width: 100%;
    }

    .tool-group[role="toolbar"] .tool {
        flex: 1;
    }

    .canvas-wrap {
        width: calc(100% - 16px);
    }

    .canvas-footer {
        width: calc(100% - 16px);
    }

    .status-bar {
        grid-template-columns: 1fr;
    }

    .status-controls {
        justify-self: start;
        flex-wrap: wrap;
    }

    .status {
        grid-column: auto;
        grid-row: auto;
    }
}