*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0e0e0e;--surface: #131313;--surface2: #1a1a1a;--border: #242424;--border2: #2e2e2e;--text: #c8c4b8;--text-dim: #4a4a4a;--text-faint: #272727;--accent: #d4a843;--accent-dim: rgba(212,168,67,.12);--accent2: #8fa85c;--accent2-dim: rgba(143,168,92,.12);--mono: "Share Tech Mono", monospace;--display: "Orbitron", monospace;--live-accent: var(--accent);--live-accent-dim: var(--accent-dim);--live-glow: rgba(212,168,67,.18)}#app.tuned{--live-accent: var(--accent2);--live-accent-dim: var(--accent2-dim);--live-glow: rgba(143,168,92,.18)}html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--mono);font-size:13px;letter-spacing:.04em;-webkit-font-smoothing:antialiased}#app{max-width:420px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;position:relative}header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 12px;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;background:var(--bg);transition:border-color .4s}#app.tuned header{border-bottom-color:var(--accent2)}.brand{display:flex;align-items:center;gap:9px}.brand-dot{width:7px;height:7px;border-radius:50%;background:var(--live-accent);box-shadow:0 0 6px var(--live-accent);transition:background .4s,box-shadow .4s}.brand-name{font-family:var(--display);font-size:13px;font-weight:700;letter-spacing:.14em}.brand-model{font-size:9px;color:var(--text-dim);letter-spacing:.2em}.header-right{display:flex;align-items:center;gap:14px}.power-indicator{display:flex;align-items:center;gap:5px;font-size:9px;letter-spacing:.18em;color:var(--text-dim)}.power-indicator .dot{width:5px;height:5px;border-radius:50%;background:var(--text-dim);transition:all .3s}.power-indicator.active .dot{background:var(--live-accent);box-shadow:0 0 5px var(--live-accent)}.power-indicator.active span:last-child{color:var(--live-accent)}.hamburger{display:flex;flex-direction:column;justify-content:center;gap:4px;width:28px;height:28px;padding:4px;background:none;border:none;cursor:pointer}.hamburger span{display:block;height:1px;background:var(--text-dim);transition:all .25s}.hamburger:hover span{background:var(--text)}.hamburger.open span:nth-child(1){transform:translateY(5px) rotate(45deg)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}.panel-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:#0009;opacity:0;pointer-events:none;transition:opacity .3s}.panel-overlay.visible{opacity:1;pointer-events:all}.slide-panel{position:fixed;top:0;right:0;bottom:0;width:min(380px,92vw);background:#111;border-left:1px solid var(--border2);z-index:50;display:flex;flex-direction:column;transform:translate(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);overflow-y:auto}.slide-panel.open{transform:translate(0)}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 14px;border-bottom:1px solid var(--border);position:sticky;top:0;background:#111;z-index:1}.panel-title{font-family:var(--display);font-size:12px;letter-spacing:.2em;color:var(--text)}.panel-close{background:none;border:none;color:var(--text-dim);font-size:14px;cursor:pointer;padding:4px 6px;transition:color .15s}.panel-close:hover{color:var(--text)}.panel-inst-tabs{display:flex;gap:6px;padding:14px 18px 10px}.p-inst-btn{flex:1;padding:7px;background:var(--surface);border:1px solid var(--border2);color:var(--text-dim);font-family:var(--mono);font-size:10px;letter-spacing:.12em;cursor:pointer;border-radius:2px;transition:all .15s}.p-inst-btn:hover{color:var(--text);border-color:var(--text-dim)}.p-inst-btn.active{background:var(--accent);border-color:var(--accent);color:#0e0e0e;font-weight:700}.chord-note-row{display:flex;gap:5px;padding:0 18px 10px;flex-wrap:wrap}.note-btn{flex:1;min-width:34px;padding:7px 4px;background:var(--surface);border:1px solid var(--border2);color:var(--text-dim);font-family:var(--mono);font-size:11px;letter-spacing:.06em;cursor:pointer;border-radius:2px;text-align:center;transition:all .15s}.note-btn:hover{color:var(--text);border-color:var(--text-dim)}.note-btn.active{border-color:var(--accent);color:var(--accent)}.chord-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);margin:0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.chord-cell{background:var(--bg);display:flex;flex-direction:column;align-items:center;padding:10px 8px 8px;gap:4px}.chord-cell-label{font-size:8px;letter-spacing:.22em;color:var(--text-dim);align-self:flex-start;padding-left:2px}.chord-cell-diagram{display:flex;justify-content:center;align-items:center;width:100%}.chord-cell-diagram svg{width:100%;max-width:100px;height:auto;border-radius:2px;background:var(--bg)}.chord-cell-name{font-family:var(--display);font-size:11px;letter-spacing:.12em;color:var(--accent);min-height:14px}.chord-no-data{color:var(--text-faint);font-size:20px;padding:20px 0}.chord-nav{display:flex;align-items:center;gap:6px;margin-top:2px}.chord-nav-btn{background:none;border:1px solid var(--border2);color:var(--text-dim);font-family:var(--mono);font-size:13px;width:22px;height:22px;border-radius:2px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;padding:0;line-height:1}.chord-nav-btn:hover{border-color:var(--accent);color:var(--accent)}.chord-nav-counter{font-size:8px;letter-spacing:.1em;color:var(--text-faint);min-width:24px;text-align:center}.display-section{position:relative;background:var(--surface);border-bottom:1px solid var(--border);overflow:hidden;flex-shrink:0;height:200px;transition:border-color .4s}#app.tuned .display-section{border-bottom-color:var(--accent2)}#particleCanvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block}.display-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;padding:14px 20px;pointer-events:none;background:linear-gradient(to top,rgba(12,12,12,.8) 0%,transparent 55%)}.freq-row{display:flex;align-items:baseline;gap:6px}.freq-value{font-family:var(--display);font-size:48px;font-weight:900;color:var(--live-accent);letter-spacing:-.02em;line-height:1;min-width:130px;transition:color .35s}.freq-unit{font-size:12px;color:var(--text-dim);letter-spacing:.1em;padding-bottom:4px}.note-row{display:flex;align-items:baseline;gap:4px;margin-top:2px}.note-name{font-family:var(--display);font-size:22px;font-weight:700;letter-spacing:.06em;color:var(--text);transition:color .35s}#app.tuned .note-name{color:var(--accent2)}.note-octave{font-size:12px;color:var(--text-dim)}.meter-section{padding:12px 16px 10px;border-bottom:1px solid var(--border);transition:border-color .4s}#app.tuned .meter-section{border-bottom-color:var(--accent2)}.meter-labels{display:flex;justify-content:space-between;font-size:8px;color:var(--text-dim);letter-spacing:.14em;margin-bottom:7px}.center-label{color:var(--text-dim)}.meter-track{position:relative;height:26px;background:var(--bg);border:1px solid var(--border2);border-radius:2px;overflow:hidden;transition:border-color .4s}#app.tuned .meter-track{border-color:#8fa85c4d}.meter-track:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(circle,var(--border) 1px,transparent 1px);background-size:8px 8px;opacity:.7;pointer-events:none}.meter-center-mark{position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--text-dim);transform:translate(-.5px)}.meter-needle{position:absolute;top:3px;bottom:3px;width:3px;background:var(--live-accent);border-radius:1px;left:50%;transform:translate(-50%);transition:left .07s ease-out,background .35s,box-shadow .35s;box-shadow:0 0 8px var(--live-accent)}.meter-status{text-align:center;font-size:9px;letter-spacing:.2em;color:var(--text-dim);margin-top:7px;min-height:14px;transition:color .3s}#app.tuned .meter-status{color:var(--accent2)}.mic-section{padding:14px 16px 12px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;align-items:center;gap:10px}.mic-btn{display:flex;flex-direction:column;align-items:center;gap:6px;background:var(--surface);border:2px solid var(--border2);color:var(--text);font-family:var(--mono);cursor:pointer;padding:14px 0;border-radius:3px;transition:border-color .2s,background .2s,box-shadow .35s;width:100%;max-width:100%}.mic-btn:hover{border-color:var(--live-accent)}.mic-btn.listening{border-color:var(--live-accent);background:var(--surface2);box-shadow:0 0 20px var(--live-glow)}.mic-icon{font-size:24px;color:var(--text-dim);transition:color .2s}.mic-btn.listening .mic-icon{color:var(--live-accent);animation:pulse 1.2s ease-in-out infinite}.mic-label{font-size:9px;letter-spacing:.22em;color:var(--text-dim)}.mic-btn.listening .mic-label{color:var(--live-accent)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.signal-bar-container{display:flex;align-items:center;gap:10px;width:100%}.signal-label{font-size:9px;letter-spacing:.2em;color:var(--text-faint);flex-shrink:0}.signal-bar-track{flex:1;height:3px;background:var(--surface);border:1px solid var(--border);border-radius:1px;overflow:hidden}.signal-bar{height:100%;width:0%;background:var(--accent2);transition:width .05s}.section{padding:12px 16px;border-bottom:1px solid var(--border)}.section-label{display:block;font-size:9px;letter-spacing:.22em;color:var(--text-dim);margin-bottom:8px}.string-buttons{display:flex;gap:5px;flex-wrap:nowrap}.string-btn{flex:1;min-width:0;background:var(--surface);border:1px solid var(--border2);color:var(--text-dim);font-family:var(--mono);font-size:10px;letter-spacing:.05em;padding:7px 2px;cursor:pointer;border-radius:2px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:all .15s}.string-btn:hover{border-color:var(--text-dim);color:var(--text)}.string-btn.active{border-color:var(--live-accent);color:var(--live-accent)}.string-btn.locked{background:var(--live-accent);border-color:var(--live-accent);color:#0e0e0e;font-weight:700}.auto-hint{font-size:9px;color:var(--text-faint);letter-spacing:.14em;margin-top:7px}.settings-section{padding:12px 16px}.settings-row{display:flex;gap:16px}.settings-col{flex:1;min-width:0}.instrument-buttons,.tuning-buttons{display:flex;flex-wrap:wrap;gap:5px}.inst-btn,.tuning-btn{background:var(--surface);border:1px solid var(--border2);color:var(--text-dim);font-family:var(--mono);font-size:10px;letter-spacing:.1em;padding:6px 10px;cursor:pointer;border-radius:2px;transition:all .15s}.inst-btn:hover,.tuning-btn:hover{border-color:var(--text-dim);color:var(--text)}.inst-btn.active,.tuning-btn.active{background:var(--accent);border-color:var(--accent);color:#0e0e0e;font-weight:700}@media (min-width: 640px){body{background:#090909;display:flex;align-items:flex-start;justify-content:center;padding:24px 0 60px}#app{max-width:640px;min-height:0;border:1px solid var(--border);border-radius:4px}.display-section{height:240px}.freq-value{font-size:60px}.note-name{font-size:28px}.settings-row{gap:24px}.chord-cell-diagram svg{max-width:120px}}@media (min-width: 960px){body{background:#090909;display:flex;align-items:flex-start;justify-content:center;padding:32px 0 80px}#app{max-width:900px;min-height:0;border:1px solid var(--border);border-radius:4px;overflow:hidden}#tunerView{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto;grid-template-areas:"display  display" "meter    meter" "mic      strings" "settings settings"}.display-section{grid-area:display;height:260px}.meter-section{grid-area:meter}.mic-section{grid-area:mic;border-right:1px solid var(--border)}.string-section{grid-area:strings;border-bottom:1px solid var(--border)}.settings-section{grid-area:settings}.freq-value{font-size:68px}.note-name{font-size:30px}.slide-panel{width:420px}.chord-cell-diagram svg{max-width:130px}}.app-footer{padding:20px 16px 24px;display:flex;flex-direction:column;align-items:center;gap:12px;border-top:1px solid var(--border);margin-top:auto}.footer-logo{width:40px;height:40px;border:1px solid var(--border2);border-radius:2px;background:var(--surface);flex-shrink:0;position:relative}.footer-credits{font-size:9px;letter-spacing:.12em;color:var(--text-faint);text-align:center;line-height:1.7;max-width:280px}.footer-highlight{color:var(--text-dim)}