:root {
  color-scheme: dark;
  --bg: #17181b;
  --chrome: #202125;
  --panel: #26272c;
  --input: #1e1f23;
  --hover: #34363d;
  --line: #3a3c44;
  --line-soft: #32343b;
  --text: #eceef2;
  --subtle: #b2b6c1;
  --muted: #959ba8;
  --accent: #a2bfff;
  --active: #35405a;
  --danger: #f09b97;
  --radius: 8px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}
* { box-sizing: border-box; }
html, body, #app { width: 100%; height: 100%; margin: 0; overflow: hidden; background: var(--bg); color: var(--text); }
html, body { overscroll-behavior: none; }
body { position: fixed; inset: 0; }
button, input, output, a { font: inherit; }
button, a, label, canvas { -webkit-tap-highlight-color: transparent; }
button, a { touch-action: manipulation; }
button { color: inherit; background: none; border: 0; padding: 0; cursor: pointer; -webkit-user-select: none; user-select: none; }
button:disabled, input:disabled { opacity: .32; cursor: default; }
button svg { flex-shrink: 0; pointer-events: none; }
button > * { pointer-events: none; }
input { color: var(--text); border: 1px solid var(--line); background: var(--input); border-radius: 5px; min-width: 0; }
input:not([type="range"]):not([type="checkbox"]) { font-size: 16px; }
input[type="number"] { -moz-appearance: textfield; appearance: textfield; }
input::-webkit-inner-spin-button, input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input:focus { outline: none; border-color: var(--accent); }
button:focus-visible, a:focus-visible, input[type="range"]:focus-visible, input[type="checkbox"]:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[hidden] { display: none !important; }
.workspace-app { height: 100vh; height: 100dvh; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; overflow: hidden; }
.topbar { min-height: calc(60px + var(--safe-top)); padding: calc(8px + var(--safe-top)) calc(12px + var(--safe-right)) 8px calc(12px + var(--safe-left)); display: flex; align-items: center; gap: 14px; background: var(--chrome); border-bottom: 1px solid #101114; z-index: 5; }
.document-area { display: flex; align-items: center; gap: 13px; min-width: 0; flex: 1; }
.app-menu { display: flex; align-items: center; gap: 10px; white-space: nowrap; height: 44px; padding: 0 8px; font-size: 15px; font-weight: 650; letter-spacing: -.35px; border-radius: 5px; }
.app-menu svg { color: var(--muted); }
.document-heading { display: flex; flex-direction: column; justify-content: center; min-width: 64px; max-width: 300px; flex: 1; }
#document-title { background: transparent; border: 1px solid transparent; width: 100%; height: 44px; padding: 0 7px; text-overflow: ellipsis; border-radius: 3px; line-height: 23px; }
#document-title:focus { background: var(--input); border-color: var(--accent); }
.save-status { display: flex; align-items: center; gap: 5px; min-width: 0; max-width: 100%; min-width: 66px; height: 44px; padding: 0 8px; flex-shrink: 0; text-align: left; font-size: 10px; color: var(--muted); border-radius: 3px; }
#save-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.status-dot { width: 4px; height: 4px; border-radius: 50%; background: currentColor; flex: 0 0 4px; }
.save-status[data-status="error"] { color: var(--danger); }
.save-status[data-status="saving"], .save-status[data-status="pending"] { color: var(--accent); }
.toolbar-divider { width: 1px; height: 22px; background: var(--line); flex-shrink: 0; margin: 0 3px; }
.tool-dock, .panel-tools { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.panel-tools { margin-left: 4px; }
.icon-button, .tool-button { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; border-radius: 6px; color: var(--subtle); position: relative; }
.tool-button.active, .icon-button.selected { background: var(--active); color: var(--accent); }
.tool-button.active::after { content: ""; width: 14px; height: 2px; position: absolute; bottom: 3px; left: 15px; background: var(--accent); border-radius: 1px; }
.icon-button[aria-expanded="true"] { background: var(--hover); color: var(--text); }
.color-button #current-color { width: 25px; height: 25px; border: 2px solid #c3c7d0; box-shadow: 0 0 0 3px var(--chrome); border-radius: 50%; background: #17181b; }
.color-button[aria-expanded="true"] #current-color { box-shadow: 0 0 0 3px var(--hover); }
.export-button { color: var(--text); }
.workspace { position: relative; min-height: 0; overflow: hidden; isolation: isolate; }
#drawing-canvas { position: absolute; display: block; inset: 0; width: 100%; height: 100%; touch-action: none; -webkit-touch-callout: none; -webkit-user-select: none; user-select: none; outline-offset: -3px; }
.brush-rail { position: absolute; z-index: 2; left: calc(12px + var(--safe-left)); top: 50%; transform: translateY(-50%); width: 64px; height: min(534px, calc(100% - 24px)); border: 1px solid var(--line-soft); border-radius: var(--radius); background: var(--chrome); padding: 8px; display: flex; flex-direction: column; align-items: center; box-shadow: 0 2px 10px #0002; -webkit-user-select: none; user-select: none; }
.rail-cap { flex-shrink: 0; width: 100%; display: grid; justify-items: center; gap: 4px; padding: 4px 0 10px; font-size: 10px; color: var(--subtle); }
.footprint-holder { display: flex; width: 30px; height: 30px; align-items: center; justify-content: center; }
#brush-footprint { display: block; width: 10px; height: 10px; border-radius: 50%; box-shadow: 0 0 0 1px #a3a6b2; background: #17181b; }
.rail-control { display: flex; flex-direction: column; align-items: center; width: 100%; min-height: 90px; flex: 1; }
.rail-label { color: var(--subtle); font-size: 10px; margin: 2px 0; line-height: 16px; white-space: nowrap; }
.rail-number { display: flex; flex-direction: column; align-items: center; width: 100%; flex-shrink: 0; }
.rail-number input { width: 46px; height: 44px; line-height: 42px; text-align: center; border: 1px solid transparent; background: none; border-radius: 4px; padding: 0; font-variant-numeric: tabular-nums; letter-spacing: -.4px; }
.rail-number input:focus { background: var(--input); border-color: var(--accent); }
.rail-number > span { color: var(--muted); font-size: 9px; line-height: 12px; }
.vertical-range { width: 44px; min-height: 28px; flex: 1; display: flex; align-items: stretch; justify-content: center; padding: 5px 0 7px; }
.vertical-range input { -webkit-appearance: none; appearance: none; writing-mode: vertical-lr; direction: rtl; width: 44px; height: 100%; margin: 0; padding: 0; background: transparent; border: 0; touch-action: none; cursor: ns-resize; }
.vertical-range input::-webkit-slider-runnable-track { background: var(--line); width: 4px; border-radius: 3px; }
.vertical-range input::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; height: 12px; width: 26px; background: var(--text); border-radius: 3px; border: 1px solid #fff3; margin-left: -11px; box-shadow: 0 1px 5px #0007; }
.vertical-range input::-moz-range-track { background: var(--line); width: 4px; border-radius: 3px; }
.vertical-range input::-moz-range-thumb { height: 12px; width: 26px; background: var(--text); border-radius: 3px; border: 0; }
.rail-divider { width: 28px; height: 1px; margin: 7px 0; background: var(--line); flex-shrink: 0; }
.history-tools { display: flex; flex-direction: column; flex-shrink: 0; }
.history-tools .icon-button { width: 44px; height: 44px; }
.workspace.drawing .brush-rail, .workspace.drawing .side-panel { pointer-events: none; }
.side-panel { display: flex; flex-direction: column; position: absolute; top: 12px; right: calc(12px + var(--safe-right)); width: 292px; max-width: calc(100% - 100px - var(--safe-left) - var(--safe-right)); max-height: calc(100% - 24px); background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 8px 24px #0005; z-index: 3; overflow: hidden; }
.panel-body { display: flex; flex-direction: column; min-height: 0; flex: 1; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; min-height: 57px; flex-shrink: 0; padding: 6px 6px 6px 18px; border-bottom: 1px solid var(--line-soft); }
h2, h3, p { margin: 0; }
.panel-heading h2 { font-size: 13px; font-weight: 600; display: flex; align-items: baseline; gap: 9px; }
.panel-count { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 10px; font-weight: 400; }
.panel-heading-actions { display: flex; align-items: center; }
.panel-scroll { overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: var(--line) transparent; min-height: 0; }
.layer-list { padding: 7px; display: grid; gap: 4px; max-height: 290px; overflow: auto; overscroll-behavior: contain; }
.layer-row { display: flex; align-items: center; min-height: 66px; border: 1px solid transparent; border-radius: 5px; overflow: hidden; padding-right: 3px; }
.layer-row.active { background: #343d50; border-color: #546686; }
.layer-select { display: flex; align-items: center; gap: 11px; min-width: 0; flex: 1; padding: 7px; height: 66px; text-align: left; }
.thumbnail { width: 48px; height: 48px; flex-shrink: 0; border-radius: 3px; border: 1px solid #ffffff26; background: repeating-conic-gradient(#d7d8dc 0% 25%, #f4f4f5 0% 50%) 50% / 10px 10px; }
.layer-details { min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.layer-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.layer-detail { color: var(--subtle); font-size: 10px; font-variant-numeric: tabular-nums; }
.layer-row.hidden-layer .thumbnail { opacity: .4; }
.layer-row.hidden-layer .layer-name { color: var(--muted); }
.paper-row { display: flex; align-items: center; gap: 11px; padding: 2px 11px 9px 15px; min-height: 52px; color: var(--subtle); font-size: 12px; }
.paper-swatch { width: 36px; height: 30px; margin: 0 6px; border: 1px solid #a5a7ad; border-radius: 3px; background: white; flex-shrink: 0; }
.paper-row .icon-button { margin-left: auto; }
.paper-row.paper-hidden .paper-swatch { background: repeating-conic-gradient(#93959a 0% 25%, #c2c4c8 0% 50%) 50% / 10px 10px; }
.layer-properties { padding: 16px 17px 8px; border-top: 1px solid var(--line-soft); }
.inline-field { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; color: var(--subtle); font-size: 12px; }
.inline-field .text-input { min-width: 0; flex: 1; }
.text-input { width: 100%; min-height: 44px; padding: 9px 10px; }
.range-label { display: flex; align-items: center; justify-content: space-between; color: var(--subtle); gap: 8px; font-size: 12px; }
.range-label output { color: var(--text); font-size: 12px; font-variant-numeric: tabular-nums; }
.horizontal-range { -webkit-appearance: none; appearance: none; height: 44px; width: 100%; background: none; padding: 0; margin: 0; border: 0; touch-action: pan-y; }
.horizontal-range::-webkit-slider-runnable-track { height: 3px; border-radius: 2px; background: var(--line); }
.horizontal-range::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--text); margin-top: -7.5px; border: 1px solid #fff3; box-shadow: 0 1px 4px #0004; }
.horizontal-range::-moz-range-track { height: 3px; border-radius: 2px; background: var(--line); }
.horizontal-range::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--text); border: 0; }
.layer-actions { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line-soft); padding-top: 4px; }
.layer-actions > div { display: flex; }
.blend-mode { color: var(--muted); font-size: 11px; }
[data-action="delete-layer"]:not(:disabled) { color: var(--subtle); }
.color-content, .brush-content { padding: 16px; }
.color-square { width: 100%; aspect-ratio: 1.35; position: relative; background: red; border-radius: 4px; overflow: hidden; touch-action: none; cursor: crosshair; border: 1px solid #ffffff15; }
.white-gradient, .black-gradient { position: absolute; inset: 0; pointer-events: none; }
.white-gradient { background: linear-gradient(to right, #fff, #fff0); }
.black-gradient { background: linear-gradient(to top, #000, #0000); }
#color-marker { width: 14px; height: 14px; border: 2px solid white; border-radius: 50%; box-shadow: 0 0 0 1px #0009, inset 0 0 0 1px #0003; transform: translate(-50%, -50%); position: absolute; pointer-events: none; }
.hue-range { -webkit-appearance: none; appearance: none; width: 100%; height: 44px; margin: 2px 0 4px; border: 0; background: none; touch-action: pan-y; }
.hue-range::-webkit-slider-runnable-track { height: 10px; border-radius: 5px; background: linear-gradient(to right, #f55, #ff5, #5f5, #5ff, #55f, #f5f, #f55); }
.hue-range::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 16px; height: 22px; margin-top: -6px; border: 2px solid #fff; border-radius: 4px; background: transparent; box-shadow: 0 0 0 1px #0009; }
.hue-range::-moz-range-track { height: 10px; border-radius: 5px; background: linear-gradient(to right, #f55, #ff5, #5f5, #5ff, #55f, #f5f, #f55); }
.hue-range::-moz-range-thumb { width: 14px; height: 20px; border: 2px solid white; border-radius: 4px; background: transparent; }
.color-values { display: flex; align-items: center; gap: 12px; font-size: 10px; color: var(--muted); }
#color-preview { width: 38px; height: 38px; border-radius: 4px; border: 1px solid #ffffff30; flex-shrink: 0; background: #17181b; }
#hex-value { width: 100%; font-variant-numeric: tabular-nums; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.color-numbers { display: flex; gap: 14px; margin: 10px 0 14px; }
.color-numbers label { flex: 1; min-width: 0; display: flex; align-items: center; justify-content: space-between; font-size: 10px; color: var(--muted); gap: 4px; }
.color-numbers label > span { display: flex; align-items: center; }
.color-numbers input { width: 44px; height: 44px; text-align: right; background: none; border-color: transparent; padding: 0 5px; }
.color-numbers input:focus { border-color: var(--accent); }
.swatches { display: grid; grid-template-columns: repeat(5, 1fr); gap: 3px; padding: 8px 0 12px; border-top: 1px solid var(--line); }
.swatches button { width: 100%; height: 44px; display: grid; place-items: center; border-radius: 4px; }
.swatches button::before { content: ""; width: 29px; height: 29px; border: 1px solid #fff2; border-radius: 50%; background: var(--swatch-color); }
.swatches button.current::before { outline: 1px solid var(--text); outline-offset: 3px; }
.brush-preview-area { position: relative; border: 1px solid var(--line); background: #f5f5f6; border-radius: 5px; overflow: hidden; margin-bottom: 10px; }
#brush-preview { display: block; width: 100%; height: 84px; }
#preview-tool-label { display: block; color: #60616a; text-align: right; font-size: 10px; padding: 0 10px 8px; }
.switch-row { display: flex; align-items: center; justify-content: space-between; min-height: 58px; gap: 12px; font-size: 12px; }
.switch-row > span { min-width: 0; }
.switch-row small { display: block; font-size: 11px; color: var(--muted); margin-top: 5px; }
input[type="checkbox"][role="switch"] { -webkit-appearance: none; appearance: none; position: relative; width: 44px; height: 44px; border: 0; background: transparent; border-radius: 4px; flex-shrink: 0; margin: 0; cursor: pointer; }
input[type="checkbox"][role="switch"]::before { content: ""; position: absolute; width: 38px; height: 23px; top: 10px; left: 3px; border: 1px solid #666a74; border-radius: 12px; background: #42454d; }
input[type="checkbox"][role="switch"]::after { content: ""; position: absolute; width: 17px; height: 17px; left: 6px; top: 13px; border-radius: 50%; background: #d2d5dd; transition: transform .12s; }
input[type="checkbox"][role="switch"]:checked::before { background: var(--accent); border-color: var(--accent); }
input[type="checkbox"][role="switch"]:checked::after { transform: translateX(15px); background: #17223a; }
.range-captions { display: flex; justify-content: space-between; color: var(--muted); font-size: 10px; margin-top: -5px; }
.spaced { margin-top: 24px; }
.field-hint { color: var(--muted); font-size: 11px; line-height: 1.7; margin: -3px 0 14px; }
.border-top { border-top: 1px solid var(--line); margin-top: 10px; }
.statusbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: calc(44px + var(--safe-bottom)); padding: 0 calc(12px + var(--safe-right)) var(--safe-bottom) calc(20px + var(--safe-left)); background: var(--chrome); border-top: 1px solid #101114; color: var(--muted); }
.statusbar-left { display: flex; align-items: center; gap: 18px; min-width: 0; }
.document-info { display: flex; align-items: center; gap: 12px; min-width: 0; font-size: 10px; font-variant-numeric: tabular-nums; }
#document-dimensions { white-space: nowrap; }
#active-layer-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 200px; }
.status-divider { width: 1px; height: 12px; background: var(--line); flex-shrink: 0; }
.view-tools { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.view-readout, .rotation-readout { height: 44px; display: flex; align-items: center; gap: 10px; padding: 0 10px; border-radius: 4px; font-size: 11px; font-variant-numeric: tabular-nums; color: var(--subtle); }
#zoom-readout { min-width: 30px; text-align: right; }
#rotation-readout { min-width: 24px; text-align: right; }
.toast { position: absolute; left: 50%; bottom: 18px; transform: translate(-50%, 6px); max-width: min(440px, calc(100% - 110px)); padding: 11px 16px; background: #2a2c32; color: var(--text); border: 1px solid #50535e; border-radius: 5px; box-shadow: 0 3px 10px #0004; pointer-events: none; font-size: 12px; line-height: 1.65; opacity: 0; z-index: 4; transition: opacity .12s, transform .12s; }
.toast.visible { opacity: 1; transform: translate(-50%, 0); }
.startup-cover { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: 12px; background: var(--bg); color: var(--subtle); z-index: 8; }
.loading-mark { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--line); border-top-color: var(--subtle); animation: spin .8s linear infinite; flex-shrink: 0; }
@keyframes spin { to { transform: rotate(360deg); } }
.app-dialog { color: var(--text); background: var(--panel); border: 1px solid #494c55; border-radius: 10px; padding: 0; width: min(480px, calc(100vw - 32px)); max-height: calc(100vh - 32px); max-height: calc(100dvh - 32px); box-shadow: 0 18px 70px #0007; overflow: auto; overscroll-behavior: contain; }
.app-dialog::backdrop { background: #0009; }
.dialog-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 12px 12px 24px; border-bottom: 1px solid var(--line); }
.dialog-header h2 { font-size: 16px; font-weight: 600; outline: none; }
.dialog-body { padding: 22px 24px 24px; }
.dialog-body > p { line-height: 1.8; color: var(--subtle); font-size: 12px; margin: 0 0 16px; }
.field-label { display: block; font-size: 12px; color: var(--subtle); margin-bottom: 8px; }
.dialog-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 22px; flex-wrap: wrap; }
.primary-button, .secondary-button, .wide-button, .share-button, .download-link { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 11px 16px; gap: 9px; border-radius: 5px; font-size: 12px; font-weight: 500; text-decoration: none; line-height: 1.5; }
.primary-button, .share-button { color: #142039; background: var(--accent); border: 1px solid var(--accent); }
.secondary-button, .wide-button { color: var(--text); background: #303239; border: 1px solid #4a4d58; }
.wide-button { width: 100%; }
.menu-list { display: flex; flex-direction: column; gap: 3px; margin: -10px -10px; }
.menu-item { display: flex; align-items: center; gap: 15px; min-height: 60px; padding: 11px 12px; border-radius: 5px; text-align: left; }
.menu-item > svg { color: var(--subtle); }
.menu-item > span { flex: 1; font-size: 13px; line-height: 1.5; }
.menu-item small { display: block; font-size: 11px; margin-top: 3px; color: var(--muted); }
.menu-item > .menu-arrow { color: var(--muted); }
.menu-separator { height: 1px; background: var(--line); margin: 8px 12px; }
.dimension-fields { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: end; margin: 18px 0 12px; }
.dimension-fields label { color: var(--subtle); font-size: 12px; }
.dimension-fields input { display: block; margin-top: 8px; width: 100%; height: 44px; padding: 10px; }
.dimension-fields > span { color: var(--muted); align-self: center; padding-top: 24px; }
.info-box { color: var(--subtle); background: #1f2025; border: 1px solid var(--line); border-radius: 5px; padding: 12px 14px; font-size: 12px; line-height: 1.8; margin-top: 14px; }
.info-box.warning { border-left: 2px solid #c8b086; }
.canvas-create-body { padding: 16px 20px; }
.canvas-title-row { display: flex; align-items: center; gap: 12px; }
.canvas-title-row .field-label { margin: 0; white-space: nowrap; }
.canvas-title-row .text-input { min-width: 0; }
.canvas-picker { margin: 12px 0; border: 1px solid var(--line); border-radius: 8px; background: #24262c; }
.canvas-picker summary { display: flex; align-items: center; gap: 16px; min-height: 84px; padding: 8px 16px; cursor: pointer; list-style: none; }
.canvas-picker summary::-webkit-details-marker { display: none; }
.canvas-picker[open] summary > svg { transform: rotate(180deg); }
.paper-stage { width: 94px; height: 70px; flex-shrink: 0; display: grid; place-items: center; }
.paper-shape { display: block; background: #eef0f4; border-radius: 2px; box-shadow: 0 3px 9px #0005; }
.canvas-choice { flex: 1; min-width: 0; }
.canvas-choice strong { font-size: 15px; font-weight: 600; }
.canvas-choice small { display: block; margin-top: 8px; color: var(--subtle); font-size: 11px; font-variant-numeric: tabular-nums; }
.canvas-preset-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; padding: 0 12px 12px; }
.canvas-preset { min-width: 0; padding: 10px 3px; border: 1px solid var(--line); background: #2b2d34; border-radius: 6px; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.canvas-preset[aria-pressed="true"] { background: #3a4459; border-color: #9badcf; }
.preset-paper { height: 48px; display: grid; place-items: center; }
.canvas-preset strong { font-size: 11px; font-weight: 500; }
.canvas-preset small { font-size: 9px; color: var(--subtle); white-space: nowrap; }
.canvas-dimensions-heading { display: flex; align-items: center; gap: 6px; color: var(--subtle); font-size: 12px; }
.canvas-dimensions-heading > span { flex: 1; }
.canvas-lock, .canvas-swap { min-height: 44px; padding: 0 10px; background: transparent; border: 1px solid var(--line); border-radius: 5px; color: var(--subtle); font-size: 11px; }
.canvas-lock[aria-pressed="true"] { color: var(--text); border-color: #8994ad; }
.canvas-swap { display: grid; place-items: center; }
.canvas-range-field { display: grid; grid-template-columns: 30px minmax(0, 1fr) 106px; gap: 12px; align-items: center; min-height: 52px; font-size: 12px; color: var(--subtle); }
.canvas-number { display: flex; align-items: center; gap: 6px; }
.canvas-number input { width: 100%; min-width: 0; height: 44px; padding: 8px; text-align: right; font-variant-numeric: tabular-nums; }
.canvas-number span { font-size: 10px; }
.canvas-dpi { border-top: 1px solid var(--line); margin-top: 8px; padding-top: 8px; }
.dpi-shortcuts { display: flex; justify-content: flex-end; gap: 6px; }
.dpi-shortcuts button { min-height: 44px; min-width: 50px; border: 1px solid var(--line); border-radius: 5px; background: transparent; font-size: 11px; color: var(--subtle); }
.dpi-shortcuts button[aria-pressed="true"] { color: var(--text); background: #3a4459; border-color: #8994ad; }
.dialog-body .canvas-capacity { margin: 12px 0 0; font-size: 11px; color: var(--muted); }
.dialog-body .canvas-replace-note { margin: 8px 0 0; font-size: 11px; line-height: 1.6; color: var(--subtle); }
.canvas-create-body .dialog-actions { margin-top: 14px; }
.dialog-body .error-text { color: var(--danger); font-size: 12px; margin: 14px 0 0; }
.error-text:empty { display: none; }
.export-tabs { display: flex; gap: 4px; margin-bottom: 20px; padding: 3px; background: var(--input); border: 1px solid var(--line); border-radius: 6px; }
.export-tabs button { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; height: 44px; border-radius: 4px; color: var(--subtle); font-size: 12px; }
.export-tabs button.active { color: var(--text); background: #3b3e47; }
.export-preparing { display: flex; align-items: center; justify-content: center; padding: 24px 0; gap: 12px; color: var(--subtle); }
.export-file { padding: 16px 0; display: flex; align-items: center; gap: 14px; }
.file-icon { display: grid; place-items: center; width: 42px; height: 48px; border: 1px solid var(--line); border-radius: 5px; color: var(--subtle); flex-shrink: 0; }
.export-file > div { min-width: 0; }
.export-file strong { display: block; font-size: 13px; font-weight: 500; word-break: break-all; }
.export-file small { display: block; margin-top: 7px; font-size: 11px; color: var(--muted); }
.share-button { width: 100%; margin-bottom: 10px; }
.download-link { width: 100%; background: #343e54; border: 1px solid #536482; color: var(--accent); }
#export-ready > p { margin-top: 14px; line-height: 1.8; }
.save-detail { font-size: 13px; line-height: 1.8; }
.help-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.help-table th { text-align: left; color: var(--text); font-weight: 500; }
.help-table td { text-align: right; color: var(--subtle); }
.help-table td, .help-table th { padding: 12px 0; border-bottom: 1px solid var(--line); line-height: 1.7; }
.help-section { font-size: 12px; color: var(--subtle); line-height: 2; margin: 20px 0 12px; }
.help-section h3 { color: var(--text); font-size: 12px; font-weight: 600; margin-bottom: 8px; }
kbd { background: var(--input); border: 1px solid #484b54; border-radius: 3px; font-family: inherit; font-size: 10px; padding: 2px 5px; }
.version-note { color: var(--muted); font-size: 10px; margin-top: 22px; }
.small { font-size: 11px; line-height: 1.8; }
.muted { color: var(--muted); }
@media (hover: hover) {
  button:not(:disabled):hover { background-color: var(--hover); }
  .tool-button.active:hover { background: #404e6b; }
  .save-status:hover { color: var(--text); }
  .layer-row:not(.active):hover { background: #303238; }
  .layer-select:hover { background: none !important; }
  [data-action="delete-layer"]:not(:disabled):hover { background: #563735; color: #ffc4be; }
  .primary-button:hover, .share-button:hover { background: #bcd0ff !important; }
  .download-link:hover { background: #414e6b; }
  .rail-number input:hover { border-color: var(--line); }
}
button:not(:disabled):active { filter: brightness(1.12); }
@media (max-width: 1024px) {
  .topbar { gap: 8px; }
  .document-area { gap: 8px; }
  .app-menu { gap: 6px; font-size: 14px; padding: 0 4px; }
  .tool-dock, .panel-tools { gap: 2px; }
  .panel-tools { margin-left: 0; }
}
@media (max-width: 850px) {
  .document-divider { display: none; }
  .document-area { gap: 6px; }
  .app-menu { font-size: 13px; }
  #active-layer-name { max-width: 120px; }
}
@media (max-width: 680px) {
  .topbar { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-rows: 44px 44px; padding: calc(7px + var(--safe-top)) calc(8px + var(--safe-right)) 6px calc(8px + var(--safe-left)); column-gap: 3px; row-gap: 6px; }
  .document-area { grid-column: 1 / -1; gap: 16px; }
  .app-menu { font-size: 15px; padding: 0 6px; }
  .document-heading { max-width: none; }
  .tool-dock { grid-row: 2; justify-content: flex-start; gap: 1px; }
  .tool-dock .toolbar-divider { margin: 0 2px; }
  .panel-tools { grid-row: 2; justify-content: flex-end; gap: 1px; }
  .panel-tools .toolbar-divider { display: none; }
  .brush-rail { left: calc(8px + var(--safe-left)); width: 60px; }
  .side-panel { width: 280px; right: calc(8px + var(--safe-right)); max-width: calc(100% - 84px - var(--safe-right) - var(--safe-left)); }
  .statusbar { padding-left: calc(12px + var(--safe-left)); padding-right: calc(8px + var(--safe-right)); gap: 6px; }
  .document-info > .status-divider, #active-layer-name { display: none; }
  .document-info { font-size: 9px; }
  .statusbar-left { gap: 5px; }
  .save-status { min-width: 60px; font-size: 9px; padding: 0 4px; }
  .view-readout, .rotation-readout { gap: 5px; padding: 0 6px; font-size: 10px; }
  .view-tools { gap: 1px; }
  .app-dialog { width: calc(100vw - 24px); }
  .dialog-header { padding-left: 18px; }
  .dialog-body { padding: 18px; }
  .panel-heading { padding-left: 14px; }
  .panel-heading h2 { gap: 6px; }
  .panel-count { font-size: 9px; }
  .color-content, .brush-content { padding: 12px; }
  .swatches { gap: 0; }
}
@media (max-height: 700px) {
  .rail-cap { display: none; }
  .brush-rail { max-height: 100%; }
  .rail-divider { margin: 5px 0; }
  .layer-list { max-height: 180px; }
}
@media (max-height: 500px) {
  .brush-rail { padding: 4px; }
  .rail-label { font-size: 9px; line-height: 12px; }
  .rail-control { min-height: 60px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .001ms !important; transition-duration: 0s !important; } }