:root { --bg: #1d1f24; --panel: #262930; --panel2: #2d3139; --line: #3a3f49; --text: #e6e8ec; --muted: #9aa1ad; --accent: #5aa9ff; --accent2: #ffb347; --danger: #ff6b6b; --radius: 8px; font-family: "Segoe UI", system-ui, -apple-system, sans-serif; font-size: 13px; color-scheme: dark; } * { box-sizing: border-box; } html, body { height: 100%; margin: 0; background: var(--bg); color: var(--text); } body { display: grid; grid-template-rows: auto 1fr; grid-template-columns: 340px 1fr; grid-template-areas: "head head" "side main"; height: 100vh; height: 100dvh; overflow: hidden; } /* dvh: iOS Safari's toolbar no longer hides the zoom bar */ header { grid-area: head; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding: 8px 14px; min-height: 48px; background: var(--panel); border-bottom: 1px solid var(--line); } header h1 { font-size: 15px; margin: 0 14px 0 0; font-weight: 600; letter-spacing: .3px; white-space: nowrap; } header h1 span { color: var(--muted); font-weight: 400; } header .grow { flex: 1; } header label { color: var(--muted); display: flex; align-items: center; gap: 6px; white-space: nowrap; } /* grid type and canvas size: display:contents keeps them in the header row on wide screens; under 900 px they fold into their own row behind the summary button (see the media query below) */ .docSettings { display: contents; } .docToggle { display: none; max-width: 62vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } .docToggle .chev { display: inline-block; color: var(--muted); transition: transform .15s; } .docToggle[aria-expanded="true"] .chev { transform: rotate(180deg); } aside { grid-area: side; background: var(--panel); border-right: 1px solid var(--line); overflow-y: auto; padding: 10px 12px 40px; } main { grid-area: main; position: relative; overflow: hidden; background: #15161a; display: flex; align-items: center; justify-content: center; } /* touch-action none: one finger pans and two fingers pinch-zoom the canvas (app.js stage gestures) instead of scrolling or zooming the page. margin:auto (not align/justify-items) centres a small canvas yet lets a zoomed-in one scroll all the way to its top-left corner. */ #stageWrap { position: absolute; inset: 0; overflow: auto; display: flex; touch-action: none; } #stage { position: relative; margin: auto; flex: none; box-shadow: 0 10px 40px rgba(0,0,0,.6); background: #fff; } #stage.checker { background-color: #ddd; background-image: linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%), linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%); background-size: 20px 20px; background-position: 0 0, 10px 10px; } #stage canvas { position: absolute; left: 0; top: 0; display: none; } #stage svg { position: relative; display: block; } /* nothing ever targets the grid itself, so keep it out of hit testing: a hover over 60 000 stroked paths cost 4 ms per move, and a pen hovers all the time (handles live in their own svg#handles layer below) */ #stage svg#vectorSvg, #stage canvas { pointer-events: none; } #stage svg#handles { position: absolute; left: 0; top: 0; overflow: visible; pointer-events: none; touch-action: none; } /* a finger on a handle drags it, never scrolls */ .handle { pointer-events: all; cursor: grab; touch-action: none; } .handle:active { cursor: grabbing; } .handle circle.hit { fill: rgba(255,255,255,0.001); stroke: none; } .handle circle.ring { fill: rgba(255,255,255,.9); stroke: #1b6ac9; stroke-width: 2; } @media (hover: hover) { .handle:hover circle.ring { stroke: #ffb347; } } .handle circle.dot { fill: #1b6ac9; } .handle text { font: 600 11px/1 "Segoe UI", system-ui, sans-serif; fill: #fff; paint-order: stroke; stroke: rgba(0,0,0,.65); stroke-width: 3px; pointer-events: none; } .handle line.vis { stroke: #d33; stroke-width: 1.5; stroke-dasharray: 6 4; } .handle line.hit { stroke: transparent; stroke-width: 14; } .handle.hline { cursor: ns-resize; } #status { position: absolute; left: 10px; bottom: 8px; font-size: 11px; color: var(--muted); background: rgba(0,0,0,.4); padding: 3px 8px; border-radius: 6px; pointer-events: none; } #zoomBar { position: absolute; right: 10px; bottom: 8px; display: flex; gap: 4px; } select, input[type=number], input[type=text], button { background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 4px 7px; font: inherit; } input[type=number] { width: 74px; } button { cursor: pointer; } @media (hover: hover) { button:hover { border-color: var(--accent); } button:disabled:hover { border-color: var(--line); } } /* hover only where it exists: no stuck highlight after a tap */ button.primary { background: var(--accent); color: #0b1b2e; border-color: var(--accent); font-weight: 600; } button.small { padding: 2px 6px; font-size: 11px; } button.icon { font-size: 14px; line-height: 1; padding: 2px 8px; min-width: 28px; } button:disabled { opacity: .35; cursor: default; } .btnPair { display: inline-flex; gap: 4px; } input[type=range] { width: 100%; accent-color: var(--accent); } input[type=color] { width: 28px; height: 22px; padding: 0; border: 1px solid var(--line); border-radius: 4px; background: none; } input[type=checkbox] { accent-color: var(--accent); } .tabs { display: flex; gap: 2px; margin: 2px 0 8px; border-bottom: 1px solid var(--line); position: sticky; top: -10px; background: var(--panel); z-index: 2; padding-top: 4px; } .tabs button { flex: 1; background: none; border: none; border-bottom: 2px solid transparent; border-radius: 0; padding: 8px 6px; color: var(--muted); font-weight: 600; letter-spacing: .3px; } @media (hover: hover) { .tabs button:hover { color: var(--text); } } .tabs button.active { color: var(--text); border-bottom-color: var(--accent); } .tabs button .dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent2); margin-left: 6px; vertical-align: middle; } .tabPane { display: none; } .tabPane.active { display: block; } .group { margin: 10px 0 6px; } .group h3 { font-size: 11px; text-transform: uppercase; letter-spacing: .8px; color: var(--muted); margin: 10px 0 6px; padding-bottom: 3px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; } .param { display: grid; grid-template-columns: 1fr 74px; grid-template-areas: "label num" "slider slider"; gap: 2px 8px; align-items: center; margin: 6px 0; } .param label { grid-area: label; color: var(--text); } .param .hint { display: block; color: var(--muted); font-size: 11px; } .param input[type=number] { grid-area: num; } .param input[type=range] { grid-area: slider; } .param.row { grid-template-columns: 1fr auto; grid-template-areas: "label ctl"; } .param.row > :last-child { grid-area: ctl; } .param select { max-width: 180px; } .layer { display: grid; grid-template-columns: 20px 1fr 56px 30px; gap: 6px; align-items: center; margin: 4px 0; } .layer .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: pointer; } /* a label for the visibility box */ .layer input[type=number] { width: 56px; padding: 2px 4px; } .canvasRow { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin: 6px 0; } .canvasRow input[type=number] { width: 70px; } .btnRow { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0; } .note { color: var(--muted); font-size: 11px; line-height: 1.4; } a { color: var(--accent); } .dropzone { border: 1px dashed var(--line); border-radius: var(--radius); padding: 10px; text-align: center; color: var(--muted); margin: 6px 0; cursor: pointer; } .dropzone.over { border-color: var(--accent); color: var(--accent); } #srcPreview { position: relative; width: 100%; background: #111; border-radius: 6px; overflow: hidden; margin: 6px 0; cursor: crosshair; } #srcPreview canvas { display: block; width: 100%; } #srcPreview svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; } /* animation: sweep tracks */ .track { border-left: 2px solid var(--line); padding: 2px 0 2px 8px; margin: 6px 0; } .trackHead { display: flex; gap: 6px; align-items: center; margin-bottom: 4px; } .trackHead select { flex: 1; max-width: none; } .trackRow { display: grid; grid-template-columns: auto 1fr auto 1fr; gap: 4px 6px; align-items: center; margin: 3px 0; } .trackRow label { color: var(--muted); font-size: 11px; } .trackRow input[type=number] { width: 100%; min-width: 0; } .trackRow select { grid-column: 2 / span 3; max-width: none; } /* presets: a horizontal strip of live thumbnails */ .presetStrip { display: flex; gap: 6px; overflow-x: auto; padding: 2px 0 6px; scrollbar-width: thin; } .preset { flex: 0 0 auto; width: 110px; position: relative; border: 1px solid var(--line); border-radius: 6px; background: var(--panel2); overflow: hidden; cursor: pointer; } @media (hover: hover) { .preset:hover { border-color: var(--accent); } } .preset .thumb { width: 100%; background: #fff; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 11px; } .preset .thumb svg { display: block; width: 100%; height: 100%; pointer-events: none; } /* the card takes the click; its paths need no hit testing */ .preset .pname { font-size: 10.5px; padding: 3px 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text); } .preset.user .pname { color: var(--accent2); } .preset .del { position: absolute; top: 2px; right: 2px; width: 18px; height: 18px; padding: 0; border-radius: 50%; line-height: 1; font-size: 12px; background: rgba(0,0,0,.6); color: #fff; border: none; display: none; } @media (hover: hover) { .preset:hover .del { display: block; } .preset .del:hover { background: var(--danger); } } @media (hover: none) { .preset .del { display: block; } } /* no hover on a touch screen: the delete button is always there */ /* the selected handle (arrow keys nudge it) */ .handle.active circle.ring { stroke: var(--accent2); stroke-width: 3; } .handle.active line.vis { stroke: var(--accent2); } /* help drawer */ .drawer { position: fixed; top: 0; right: 0; bottom: 0; width: 460px; max-width: 100vw; background: var(--panel); border-left: 1px solid var(--line); z-index: 30; display: flex; flex-direction: column; box-shadow: -12px 0 32px rgba(0,0,0,.45); } .drawer[hidden] { display: none; } .drawerHead { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; border-bottom: 1px solid var(--line); } .drawerHead h2 { margin: 0; font-size: 13px; text-transform: uppercase; letter-spacing: .8px; color: var(--muted); } .drawerBody { overflow-y: auto; padding: 6px 18px 40px; line-height: 1.5; font-size: 12.5px; } .drawerBody h2 { font-size: 17px; margin: 12px 0 6px; } .drawerBody h3 { font-size: 14px; margin: 16px 0 6px; } .drawerBody h4 { font-size: 12.5px; margin: 12px 0 4px; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; } .drawerBody p { margin: 6px 0; } .drawerBody p.lead { color: var(--text); font-size: 13px; border-left: 3px solid var(--accent); padding-left: 10px; } .drawerBody ul, .drawerBody ol { padding-left: 20px; margin: 6px 0; } .drawerBody li { margin: 3px 0; } .drawerBody code { background: var(--panel2); padding: 1px 4px; border-radius: 3px; font-size: 11.5px; } .drawerBody pre { background: var(--panel2); padding: 8px 10px; border-radius: 6px; overflow-x: auto; font-size: 11.5px; line-height: 1.4; } .drawerBody table { border-collapse: collapse; margin: 6px 0; font-size: 12px; } .drawerBody td, .drawerBody th { border: 1px solid var(--line); padding: 4px 7px; vertical-align: top; text-align: left; } .drawerBody table.shortcuts td { border: none; padding: 2px 10px 2px 0; } .drawerBody kbd { display: inline-block; background: var(--panel2); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 6px; font: 11px/18px ui-monospace, Consolas, monospace; white-space: nowrap; } .drawerBody details { margin: 10px 0; border: 1px solid var(--line); border-radius: 6px; padding: 4px 10px; } .drawerBody summary { cursor: pointer; font-weight: 600; color: var(--muted); } .drawerBody details[open] summary { color: var(--text); margin-bottom: 4px; } .toast { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); background: var(--panel2); border: 1px solid var(--line); padding: 8px 14px; border-radius: 8px; box-shadow: 0 6px 24px rgba(0,0,0,.5); opacity: 0; transition: opacity .2s; pointer-events: none; } .toast.show { opacity: 1; } .sideToggle { display: none; } @media (max-width: 900px) { body { grid-template-columns: 1fr; grid-template-rows: auto 1fr; grid-template-areas: "head" "main"; } header h1 span { display: none; } .docToggle { display: inline-block; } .docSettings { display: none; } .docSettings.open { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; order: 10; width: 100%; padding: 8px 0 2px; border-top: 1px solid var(--line); } /* #side only: the help drawer is an