@font-face{font-family:Space Grotesk;font-style:normal;font-weight:300 700;font-display:swap;src:url(../fonts/space-grotesk.woff2) format("woff2")}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:100 800;font-display:swap;src:url(../fonts/jetbrains-mono.woff2) format("woff2")}:root{--bg: #0d0e12;--bg-subtle: #12141a;--card: #15171f;--card-border: #232734;--card-hover: #1a1d27;--ink: #f1f2f6;--ink-secondary: #9ea2b0;--ink-muted: #646877;--line: #222632;--line-strong: #2f3445;--acc: #bbf43d;--acc-bright: #d4ff59;--acc-glow: rgba(187, 244, 61, .22);--acc-dim: rgba(187, 244, 61, .12);--acc-fg: #0d0e12;--checker-a: #1a1c24;--checker-b: #242733;--font-sans: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Menlo, Consolas, monospace;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}html{scroll-padding-top:env(safe-area-inset-top,0px);color-scheme:dark}*{box-sizing:border-box}::selection{background:var(--acc);color:var(--acc-fg)}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;overflow-x:hidden;padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--ink-muted)}.app-container{max-width:1360px;width:100%;margin:0 auto;padding:16px 24px 48px}.app-header{display:flex;align-items:center;justify-content:space-between;padding:8px 0 16px}.brand-group{display:flex;align-items:center;gap:8px}h1.brand-title{margin:0;font-size:20px;font-weight:600;letter-spacing:-.02em;color:#fff}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink-secondary);cursor:pointer;transition:all .15s ease;padding:0}.icon-btn:hover{color:var(--acc);border-color:var(--acc);background:var(--acc-dim)}.icon-btn:focus-visible{outline:2px solid var(--acc);outline-offset:2px}.main-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(340px,1fr);gap:24px;align-items:start}.sticky-mobile-header{display:contents}.app-header{grid-column:1 / -1}.stage-column{grid-column:1;display:flex;flex-direction:column;gap:14px}.controls-column{grid-column:2;display:flex;flex-direction:column;gap:14px}@media(max-width:880px){.app-container{width:100%;max-width:100%;padding:0 16px 32px;box-sizing:border-box}.main-grid{display:flex;flex-direction:column;gap:14px;align-items:stretch;width:100%}.sticky-mobile-header{display:block;position:sticky;top:0;z-index:50;width:calc(100% + 32px);margin-left:-16px;margin-right:-16px;background:var(--bg);border-bottom:1px solid var(--line);padding:max(10px,env(safe-area-inset-top,0px)) 16px 12px;box-shadow:0 8px 24px #0009}.sticky-mobile-header .app-header{padding:0 0 8px;width:100%}.sticky-mobile-header .stage-column{gap:6px;width:100%}.sticky-mobile-header .drop-wrapper{margin-bottom:4px;width:100%}.sticky-mobile-header .drop{padding:8px 12px;min-height:40px;font-size:11.5px;width:100%}.sticky-mobile-header .drop-icon{width:16px;height:16px}.sticky-mobile-header .preview-bar{margin:2px 0;width:100%}.sticky-mobile-header .stage{min-height:120px;height:clamp(110px,20vh,150px);padding:8px;width:100%}.controls-column{width:100%;align-items:stretch;padding-top:6px;padding-bottom:max(24px,env(safe-area-inset-bottom,0px))}}.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:var(--card);border:1px dashed var(--line-strong);border-radius:var(--radius-md);padding:18px 16px;cursor:pointer;transition:all .2s ease;outline:none;-webkit-user-select:none;user-select:none}.drop:hover,.drop.on,.drop:focus-visible{border-color:var(--acc);background:var(--card-hover);box-shadow:0 0 16px var(--acc-dim)}.drop-icon{width:22px;height:22px;color:var(--ink-secondary);transition:transform .2s ease,color .2s ease}.drop:hover .drop-icon,.drop.on .drop-icon{color:var(--acc);transform:translateY(-2px)}.drop-text{font-family:var(--font-mono);font-size:12px;letter-spacing:-.01em;color:var(--ink-secondary)}.preview-bar{display:flex;align-items:center;justify-content:space-between;padding:2px}.preview-meta{display:flex;align-items:center;gap:8px}.preview-badge{font-family:var(--font-sans);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-secondary);background:#191b24;border:1px solid var(--line);padding:2px 8px;border-radius:var(--radius-sm)}.preview-action-btn{display:inline-flex;align-items:center;gap:4px;background:#151821;border:1px solid var(--line);color:var(--ink-secondary);font-family:var(--font-sans);font-size:11px;font-weight:500;padding:2px 8px;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s ease;-webkit-user-select:none;user-select:none}.preview-action-btn:hover{color:var(--acc);border-color:var(--acc);background:var(--acc-dim)}.preview-action-btn:focus-visible{outline:2px solid var(--acc);outline-offset:1px}.bg-chips{display:flex;gap:6px;align-items:center}.bg-chip{width:20px;height:20px;border-radius:4px;border:1px solid var(--line-strong);background:none;cursor:pointer;padding:0;transition:all .15s ease}.bg-chip[data-b=checker]{background-image:conic-gradient(#303444 25%,#181a22 0,#181a22 50%,#303444 0,#303444 75%,#181a22 0);background-size:8px 8px}.bg-chip[data-b=white]{background:#fff}.bg-chip[data-b=dark]{background:#111216}.bg-chip.sel{border-color:var(--acc);box-shadow:0 0 6px var(--acc-glow)}.bg-chip:focus-visible{outline:2px solid var(--acc);outline-offset:1px}.stage{min-height:380px;border-radius:var(--radius-md);border:1px solid var(--line);overflow:hidden;position:relative;touch-action:none;-webkit-user-select:none;user-select:none}.stage.has-image{cursor:grab}.stage.is-dragging{cursor:grabbing!important}.stage.checker{background-color:var(--checker-a);background-image:conic-gradient(var(--checker-b) 25%,var(--checker-a) 0 50%,var(--checker-b) 0 75%,var(--checker-a) 0);background-size:20px 20px}.stage.white{background:#fff}.stage.dark{background:#101115}canvas#out{position:absolute;top:0;left:0;display:block;filter:drop-shadow(0 4px 12px rgba(0,0,0,.45));image-rendering:auto;pointer-events:none;will-change:transform,width,height}[hidden],canvas[hidden]{display:none!important}.stage-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--ink-muted);text-align:center;-webkit-user-select:none;user-select:none;pointer-events:none}.stage-placeholder .sample-signature{font-family:Brush Script MT,Segoe Script,cursive,sans-serif;font-size:42px;opacity:.15;color:#fff;pointer-events:none}.stage-placeholder .hint{font-family:var(--font-mono);font-size:12px;color:var(--ink-muted);max-width:280px}.accordion-card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius-md);overflow:hidden;transition:border-color .15s ease}.accordion-card:hover{border-color:var(--line-strong)}.accordion-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;padding:13px 16px;background:transparent;border:none;cursor:pointer;color:var(--ink);font-family:var(--font-sans);font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;-webkit-user-select:none;user-select:none;min-height:44px}.accordion-trigger:focus-visible{outline:2px solid var(--acc);outline-offset:-2px}.accordion-title{display:inline-flex;align-items:center;gap:8px}.chevron-icon{width:14px;height:14px;color:var(--ink-secondary);transition:transform .2s cubic-bezier(.16,1,.3,1)}.accordion-trigger[aria-expanded=true] .chevron-icon{transform:rotate(180deg);color:var(--acc)}.accordion-panel{padding:8px 16px 16px;border-top:1px solid var(--line)}.accordion-panel[hidden]{display:none}.slider-stack{display:flex;flex-direction:column;gap:12px}.control-row{display:flex;flex-direction:column;gap:6px}.control-header{display:flex;align-items:center;justify-content:space-between}.control-header label{font-size:12.5px;font-weight:500;color:var(--ink);cursor:pointer;-webkit-user-select:none;user-select:none}.control-header .value-readout{font-family:var(--font-mono);font-size:11.5px;font-weight:600;color:var(--acc)}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:6px;background:var(--line-strong);border-radius:3px;outline:none;margin:4px 0;cursor:pointer;position:relative}input[type=range]:focus-visible{outline:2px solid var(--acc);outline-offset:4px}input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:3px;background:linear-gradient(to right,var(--acc) var(--fill, 0%),#222634 var(--fill, 0%))}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;background:var(--acc);box-shadow:0 0 8px var(--acc-glow);cursor:pointer;margin-top:-4px;transition:transform .1s ease,box-shadow .1s ease}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 0 12px var(--acc-glow)}input[type=range]::-moz-range-track{height:6px;border-radius:3px;background:#222634}input[type=range]::-moz-range-progress{height:6px;border-radius:3px;background:var(--acc)}input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;border:none;background:var(--acc);box-shadow:0 0 8px var(--acc-glow);cursor:pointer;transition:transform .1s ease,box-shadow .1s ease}input[type=range]::-moz-range-thumb:hover{transform:scale(1.2);box-shadow:0 0 12px var(--acc-glow)}.section-label{display:block;font-size:12px;font-weight:500;color:var(--ink-secondary);margin-bottom:8px}.swatches-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.swatch-card{display:flex;flex-direction:column;align-items:center;gap:6px;padding:8px 6px;background:#12141a;border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;transition:all .15s ease;-webkit-user-select:none;user-select:none;min-height:52px}.swatch-card:hover{border-color:var(--line-strong);background:#171922}.swatch-card.sel{border-color:var(--acc);box-shadow:0 0 8px var(--acc-glow)}.swatch-card:focus-visible{outline:2px solid var(--acc);outline-offset:2px}.swatch-fill{width:100%;height:22px;border-radius:3px;border:1px solid rgba(255,255,255,.1)}.swatch-fill.black{background:#000}.swatch-fill.blue{background:#1432c2}.swatch-fill.orig{background:#f0f0f2}.swatch-name{font-size:11px;font-weight:500;color:var(--ink-secondary)}.swatch-card.sel .swatch-name{color:var(--ink);font-weight:600}.custom-tile{position:relative;overflow:hidden}input[type=color]{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.custom-indicator{width:100%;height:22px;border-radius:3px;border:1px solid rgba(255,255,255,.15);background:conic-gradient(red,#ff0,#0f0,#0ff,#00f,#f0f,red)}.actions-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.action-btn{font-family:var(--font-sans);font-size:12.5px;font-weight:600;letter-spacing:.02em;padding:10px 8px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);background:#13151b;color:var(--ink);cursor:pointer;transition:all .15s ease;display:inline-flex;align-items:center;justify-content:center;min-height:40px}.action-btn:hover:not(:disabled){border-color:var(--acc);color:var(--acc);background:var(--acc-dim)}.action-btn:active:not(:disabled){transform:translateY(1px)}.action-btn:disabled{opacity:.35;cursor:not-allowed;border-color:var(--line)}.action-btn.primary{border-color:var(--acc);color:var(--acc);background:var(--acc-dim)}.action-btn.primary:hover:not(:disabled){background:var(--acc);color:var(--acc-fg);box-shadow:0 0 14px var(--acc-glow)}.action-btn:focus-visible{outline:2px solid var(--acc);outline-offset:2px}#msg{font-family:var(--font-mono);font-size:11.5px;color:var(--acc);min-height:18px;margin-top:10px;text-align:center;letter-spacing:-.01em}dialog.info-dialog{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius-lg);color:var(--ink);padding:0;max-width:480px;width:calc(100% - 32px);box-shadow:0 20px 40px #000000bf}dialog.info-dialog::backdrop{background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.dialog-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}.dialog-title{margin:0;font-size:16px;font-weight:600;color:#fff}.dialog-body{padding:18px 20px;display:flex;flex-direction:column;gap:14px;font-size:13px;line-height:1.55;color:var(--ink-secondary)}.dialog-body strong{color:var(--ink)}.privacy-callout{background:var(--acc-dim);border:1px solid var(--acc);border-radius:var(--radius-sm);padding:10px 14px;color:var(--acc-bright);font-size:12.5px}.dialog-footer{padding:12px 20px 16px;display:flex;justify-content:flex-end;border-top:1px solid var(--line)}@media(pointer:coarse){input[type=range]::-webkit-slider-thumb{width:22px;height:22px;margin-top:-8px}input[type=range]::-moz-range-thumb{width:22px;height:22px}input[type=range]{height:8px;margin:8px 0}.action-btn{min-height:44px}.bg-chip{width:24px;height:24px}.icon-btn{min-width:32px;min-height:32px}}@media(max-width:480px){.accordion-panel{padding:8px 12px 14px}.swatches-grid{gap:6px}.swatch-card{padding:6px 4px;min-height:48px}.actions-row{gap:6px}.action-btn{padding:10px 4px;font-size:12px}}