:root{--bg: #f5f5f7;--surface: #ffffff;--separator: rgba(60, 60, 67, .18);--text: #1d1d1f;--secondary: #6e6e73;--tertiary: #8e8e93;--accent: #007aff;--accent-text: #ffffff;--stop: #e9e9eb;--shadow: 0 10px 30px rgba(0, 0, 0, .06);color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Hiragino Sans,Yu Gothic,sans-serif}body[data-theme=dark]{--bg:#000;--surface:#1c1c1e;--separator:rgba(255,255,255,.16);--text:#f5f5f7;--secondary:#a1a1a6;--tertiary:#636366;--accent:#0a84ff;--accent-text:#fff;--stop:#3a3a3c;--shadow:0 10px 30px rgba(0,0,0,.28)}body[data-theme=ivory]{--bg:#f7f3eb;--surface:#fffdf8;--separator:rgba(88,73,53,.17);--text:#332d25;--secondary:#7d7062;--tertiary:#9d9285;--accent:#a65e2e;--accent-text:#fff;--stop:#ece6dc;--shadow:0 10px 30px rgba(75,54,25,.07)}body[data-theme=ocean]{--bg:#071f2a;--surface:#0d2d3a;--separator:rgba(194,232,239,.18);--text:#edf9fb;--secondary:#a2c5cd;--tertiary:#6f98a2;--accent:#45c5cf;--accent-text:#042129;--stop:#284b58;--shadow:0 10px 30px rgba(0,12,18,.28)}body[data-theme=forest]{--bg:#f1f6f1;--surface:#fff;--separator:rgba(45,81,55,.16);--text:#203326;--secondary:#627469;--tertiary:#93a098;--accent:#397a48;--accent-text:#fff;--stop:#e1ebe2;--shadow:0 10px 30px rgba(36,76,46,.08)}body[data-theme=cherry]{--bg:#fbf2f4;--surface:#fff;--separator:rgba(113,39,56,.16);--text:#431c27;--secondary:#8c6370;--tertiary:#b2949c;--accent:#bb3151;--accent-text:#fff;--stop:#f3e2e6;--shadow:0 10px 30px rgba(116,36,56,.08)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{min-width:320px;min-height:100%;margin:0;background:var(--bg);color:var(--text);transition:background-color .25s ease,color .25s ease}button,select{font:inherit}button,select{min-height:44px}button{cursor:pointer}button:focus-visible,select:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 34%,transparent);outline-offset:3px}.screen{width:min(100%,560px);min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:clamp(18px,3.3vh,28px);margin:0 auto;padding:max(24px,env(safe-area-inset-top)) 12px max(28px,env(safe-area-inset-bottom))}header{width:100%;text-align:center}.eyebrow{margin:0 0 7px;color:var(--secondary);font-size:11px;font-weight:650;letter-spacing:.12em}h1{margin:0;font-size:clamp(26px,7vw,32px);font-weight:720;letter-spacing:-.045em;line-height:1.1}.preferences{display:grid;width:100%;gap:12px;margin:14px auto 0;padding:0;border:0;background:transparent;box-shadow:none;text-align:left}.theme-picker{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--secondary);font-size:12px}.microphone-picker{display:grid;grid-template-columns:1fr;gap:6px;color:var(--secondary);font-size:12px}.theme-picker select{width:160px;padding:0 28px 0 12px;border:1px solid var(--separator);border-radius:10px;background:var(--surface);color:var(--text);font-size:13px}.microphone-picker select{width:100%;min-width:0;padding:0 34px 0 14px;overflow:hidden;border:1px solid var(--separator);border-radius:10px;background:var(--surface);color:var(--text);font-size:13px;text-overflow:ellipsis;white-space:nowrap}.microphone-name{margin:0;overflow:hidden;color:var(--secondary);font-size:12px;line-height:1.3;text-align:center;text-overflow:ellipsis;white-space:nowrap}.microphone-picker select:disabled{color:var(--tertiary)}.prepare-microphones{justify-self:center;min-height:24px;padding:0 6px;border:0;border-radius:7px;background:transparent;color:var(--accent);font-size:12px;font-weight:500;text-decoration:underline;text-underline-offset:4px}.prepare-microphones:disabled{color:var(--tertiary)}.meter{position:relative;width:min(74vw,304px);aspect-ratio:1}svg{width:100%;height:100%;transform:rotate(-90deg)}.track,.fill{fill:none;stroke-width:10}.track{stroke:var(--separator)}.fill{stroke:#d1fae5;stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:100;transition:stroke .18s ease,stroke-dashoffset .12s linear}.reading{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-content:center;justify-items:center;gap:7px;padding:0 28px;text-align:center}.reading-caption{color:var(--secondary);font-size:13px;font-weight:500}#level-label{display:block;width:100%;max-width:240px;white-space:nowrap;font-size:clamp(28px,8vw,42px);font-weight:720;letter-spacing:-.045em;line-height:1.08}#level-label.two-line{white-space:pre-line;font-size:clamp(26px,7vw,36px);line-height:1.15}.reading-detail{color:var(--secondary);font-size:13px}.reading-detail b{font-size:17px;font-variant-numeric:tabular-nums;font-weight:600}.level-scale{display:grid;grid-template-columns:repeat(7,1fr);width:min(100%,420px);margin-top:-12px;color:var(--secondary);font-size:10px;line-height:1.25;text-align:center}.level-scale span:nth-child(1),.level-scale span:nth-child(2){color:#b7e7d1}.level-scale span:nth-child(3){color:#21b9aa}.level-scale span:nth-child(4){color:#5f6ee9}.level-scale span:nth-child(5){color:#a56ce5}.level-scale span:nth-child(6){color:#db9a10}.level-scale span:nth-child(7){color:#dd5369}.statistics{display:flex;gap:10px;width:100%}.statistics div{flex:1;display:grid;grid-template-columns:1fr auto;align-items:baseline;gap:2px 7px;padding:15px 16px;border:1px solid var(--separator);border-radius:16px;background:var(--surface);box-shadow:var(--shadow)}.statistics span{grid-column:1 / -1;color:var(--secondary);font-size:12px}.statistics b{font-size:22px;font-variant-numeric:tabular-nums;letter-spacing:-.035em}.statistics small{color:var(--secondary);font-size:12px}.control{min-width:228px;padding:0 28px;border:0;border-radius:999px;background:var(--accent);box-shadow:0 7px 14px color-mix(in srgb,var(--accent) 24%,transparent);color:var(--accent-text);font-size:17px;font-weight:650;letter-spacing:-.015em;transition:transform .18s ease,filter .18s ease}.control:active{transform:scale(.97);filter:brightness(.96)}.control.stop{background:var(--stop);box-shadow:none;color:var(--text)}.control:disabled{opacity:.55}.history-button{min-height:30px;margin-top:-14px;padding:2px 8px;border:0;background:transparent;color:var(--accent);font-size:14px;font-weight:500}.history-panel{width:100%;padding:17px;border:1px solid var(--separator);border-radius:18px;background:var(--surface);box-shadow:var(--shadow)}.history-heading{display:flex;align-items:baseline;justify-content:space-between}.history-heading h2{margin:0;font-size:16px;letter-spacing:-.02em}.history-heading span{color:var(--secondary);font-size:12px}.chart-wrap{position:relative;height:160px;margin-top:12px;padding-left:42px}.chart-wrap svg{width:100%;height:100%;transform:none}.chart-grid{fill:none;stroke:var(--separator);stroke-width:1}.history-line{fill:none;stroke:var(--accent);stroke-linecap:round;stroke-linejoin:round;stroke-width:2.5;vector-effect:non-scaling-stroke}.chart-label{position:absolute;left:0;color:var(--secondary);font-size:10px}.chart-label.top{top:8px}.chart-label.middle{top:50%;transform:translateY(-50%)}.chart-label.bottom{bottom:7px}.chart-axis{display:flex;justify-content:space-between;padding:5px 0 0 42px;color:var(--secondary);font-size:10px}.status{min-height:1.5em;margin:-7px 0 0;color:var(--secondary);font-size:13px;text-align:center}.notice{max-width:360px;margin:0;color:var(--tertiary);font-size:11px;line-height:1.55;text-align:center}@media(max-height:760px){.screen{justify-content:flex-start}.preferences{margin-top:14px}.meter{width:min(62vw,250px)}.notice{display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}