:root{--font-family: Consolas, Menlo, "Courier New", monospace;--fs-ui: 12px;--fs-wordmark: 11px;--c-brand: #2166b5;--c-brand-edge: #1a4f8d;--c-brand-edge-deep: #123a6b;--c-led-on: #48ff70;--c-led-on-glow: rgba(72, 255, 112, .9);--c-led-off: #142f1a;--c-red: #d7263d;--c-orange: #f46a1f;--c-yellow: #f2b705;--c-green: #8cc63f;--c-paper: #f7f5ef;--c-ink: #181818;--c-white: #ffffff;--c-page-bg: #14161a;--c-text: #c8ccd4;--c-bezel: #0b0d0b;--c-band-stroke: #d8d5cc;--c-outline: #b8b4a8;--c-debug-bg: #0d0f12;--c-debug-edge: #2a2e36;--c-shadow: rgba(0, 0, 0, .45)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--c-page-bg);color:var(--c-text);font-family:var(--font-family);min-height:100vh;display:flex;align-items:center;justify-content:center}#app{display:flex;flex-direction:column;align-items:center;gap:16px;padding:24px 12px}.panel{background:var(--c-brand);border:1px solid var(--c-brand-edge);border-radius:14px;width:432px;max-width:100%;padding:20px 18px 22px;box-shadow:0 10px 32px var(--c-shadow);display:flex;flex-direction:column;gap:16px;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;touch-action:manipulation}.display-bezel{background:var(--c-bezel);border-radius:6px;border:2px solid var(--c-brand-edge-deep);padding:10px 12px}.led-display{display:flex;gap:4px}.led-digit{flex:1 1 0;min-width:0;height:auto;display:block}.seg{fill:var(--c-led-off)}.seg.on{fill:var(--c-led-on);filter:drop-shadow(0 0 3px var(--c-led-on-glow))}.wordmark{text-align:center;font-size:var(--fs-wordmark);font-weight:700;letter-spacing:.42em;color:var(--c-paper)}.btn{border:none;padding:0;border-radius:9px;overflow:hidden;cursor:pointer;background:var(--c-paper);box-shadow:0 2px 0 var(--c-shadow);line-height:0}.btn img{width:100%;height:100%;display:block;pointer-events:none}.btn:active,.btn.held{transform:translateY(1px);box-shadow:0 1px 0 var(--c-shadow);filter:brightness(.93)}.fn-row,.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.btn.fn,.btn.step{aspect-ratio:1;min-width:64px}.btn.power{background:var(--c-red)}.hint{font-size:var(--fs-ui);color:var(--c-text);min-height:1em;width:0;min-width:100%;display:flex;flex-wrap:wrap;justify-content:center;column-gap:1.5ch}.hint span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.debug{background:var(--c-debug-bg);border:1px solid var(--c-debug-edge);border-radius:8px;padding:10px 14px;font:var(--fs-ui) / 1.6 var(--font-family);color:var(--c-led-on);min-width:320px}.error{color:var(--c-red);font-size:var(--fs-ui);min-height:1em}.lab{background:var(--c-debug-bg);border:1px solid var(--c-debug-edge);border-radius:8px;padding:12px 14px;width:min(520px,100%);display:flex;flex-direction:column;gap:8px;font-size:var(--fs-ui)}.lab-head{color:var(--c-orange);letter-spacing:.1em;text-transform:uppercase}.lab-note,.lab-label{color:var(--c-text)}.lab-note{font-size:11px;opacity:.7}.lab-bar{display:flex;gap:8px;align-items:center}.lab-bar button{font:inherit;font-family:var(--font-family);background:var(--c-brand);color:var(--c-paper);border:none;border-radius:6px;padding:5px 10px;cursor:pointer}.lab-bar button.on{background:var(--c-orange);color:var(--c-ink)}.lab-start{font:inherit;font-family:var(--font-family);background:var(--c-orange);color:var(--c-ink);border:none;border-radius:6px;padding:10px;cursor:pointer;width:100%}.lab-voice{border-top:1px solid var(--c-debug-edge);padding-top:8px;display:flex;flex-direction:column;gap:3px}.lab-voice-head{color:var(--c-led-on);display:flex;align-items:center;gap:8px}.lab-voice-head button{font:inherit;font-family:var(--font-family);font-size:11px;background:var(--c-brand);color:var(--c-paper);border:none;border-radius:6px;padding:2px 8px;cursor:pointer}.lab-row{display:grid;grid-template-columns:8.5em 1fr 8.5em;align-items:center;gap:8px}.lab-row input[type=range]{width:100%;accent-color:var(--c-brand)}.lab-value{color:var(--c-yellow);font-variant-numeric:tabular-nums;text-align:right;font-size:11px}@media(max-width:600px){body{background:var(--c-brand);align-items:flex-start}#app{width:100%;padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-left))}.panel{border:none;border-radius:0;box-shadow:none;padding:0;margin-top:max(16px,env(safe-area-inset-top));width:100%;max-width:min(440px,58vh);max-width:min(440px,58dvh);gap:14px}.fn-row,.step-grid{gap:10px}.btn.fn,.btn.step{min-width:0}.hint{display:none}}