@property --progress{syntax:"<percentage>";inherits:true;initial-value:0%}@property --lyrics-offset{syntax:"<length>";inherits:true;initial-value:0}@property --lyrics-scale{syntax:"<number>";inherits:true;initial-value:1}@property --bg-darkness{syntax:"<number>";inherits:true;initial-value:.72}@property --bg-blur{syntax:"<length>";inherits:true;initial-value:80px}@property --cover-size{syntax:"<length>";inherits:true;initial-value:370px}@property --cover-radius{syntax:"<length>";inherits:true;initial-value:28px}:root{color-scheme:dark;--accent-rgb:255, 116, 116;--accent-2-rgb:255, 196, 124;--accent-3-rgb:160, 80, 120;--accent-4-rgb:140, 190, 255;--text-main:#fffffff2;--text-soft:#ffffffb8;--text-faint:#ffffff5c;--shadow:0 30px 90px #00000061;--radius-xs:8px;--radius-sm:12px;--radius-md:20px;--radius-lg:28px;--radius-pill:999px;--focus-line-height:clamp(72px, calc(84px * var(--lyrics-scale)), 144px)}*{box-sizing:border-box}html,body{width:100%;height:100%;color:var(--text-main);background:#0b0b0e;margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,PingFang SC,Helvetica Neue,Microsoft YaHei,sans-serif;font-weight:500;overflow:hidden}body{&.recording-mode{cursor:none;& .progress::-webkit-slider-thumb{width:0;height:0;box-shadow:none;opacity:0;margin-top:0}& .progress::-moz-range-thumb{width:0;height:0;box-shadow:none;opacity:0}}&.is-exporting .floating-tools{opacity:0!important;pointer-events:none!important}&.drag-over:after{content:"";z-index:9999;backdrop-filter:blur(4px);pointer-events:none;background:#0a0a0e80;border:4px dashed #ffffff4d;position:absolute;inset:0}}button,input,textarea,select{font:inherit}.desktop-only-notice{display:none}.app{isolation:isolate;background:radial-gradient(circle at 15% 25%, rgba(var(--accent-3-rgb), .18), transparent 35%), radial-gradient(circle at 85% 20%, rgba(var(--accent-rgb), .22), transparent 30%), radial-gradient(circle at 75% 78%, rgba(var(--accent-2-rgb), .18), transparent 30%), radial-gradient(circle at 20% 80%, rgba(var(--accent-4-rgb), .15), transparent 35%), linear-gradient(135deg, #08080af2, #0f0f14d1);width:100%;height:100%;position:relative}.bg{pointer-events:none;z-index:-3;background-image:var(--bg-image);filter:blur(var(--bg-blur)) saturate(1.2) brightness(calc(.5 + var(--bg-darkness) * .2));opacity:var(--bg-darkness);background-position:50%;background-size:cover;transition:filter .4s;position:absolute;inset:0;transform:scale(1.2);&:before,&:after{content:"";pointer-events:none;position:absolute;inset:0}&:before{z-index:-2;background:linear-gradient(180deg, rgba(10, 10, 12, calc(.4 + var(--bg-darkness) * .3)), rgba(10, 10, 12, calc(.1 + var(--bg-darkness) * .1)))}&:after{z-index:-1;background:radial-gradient(circle at center, transparent, rgba(0, 0, 0, calc(.1 + var(--bg-darkness) * .15)) 60%, rgba(0, 0, 0, calc(.3 + var(--bg-darkness) * .2)))}&.animate{animation:12s ease-in-out infinite alternate bgBreath}}@keyframes bgBreath{0%{filter:blur(calc(var(--bg-blur) * .75)) saturate(1.2) brightness(calc(.45 + var(--bg-darkness) * .2));transform:scale(1.18)}50%{filter:blur(calc(var(--bg-blur) * 1.1)) saturate(1.4) brightness(calc(.55 + var(--bg-darkness) * .2));transform:scale(1.22)}to{filter:blur(calc(var(--bg-blur) * .65)) saturate(1.3) brightness(calc(.5 + var(--bg-darkness) * .2));transform:scale(1.2)}}.ambient{z-index:-2;pointer-events:none;mix-blend-mode:screen;opacity:.35;background:radial-gradient(ellipse 60% 55% at 25% 25%, rgb(var(--accent-rgb)), transparent 70%), radial-gradient(ellipse 55% 60% at 78% 72%, rgb(var(--accent-2-rgb)), transparent 70%);will-change:transform;animation:25s ease-in-out infinite alternate ambientDrift1;position:absolute;inset:-20%;&:after{content:"";opacity:.8;background:radial-gradient(ellipse 50% 55% at 68% 18%, rgb(var(--accent-4-rgb)), transparent 65%), radial-gradient(ellipse 55% 50% at 28% 78%, rgb(var(--accent-3-rgb)), transparent 65%);will-change:transform;animation:32s ease-in-out infinite alternate ambientDrift2;position:absolute;inset:0}}@keyframes ambientDrift1{0%{transform:translate(0)rotate(0)scale(1)}33%{transform:translate(4%,-3%)rotate(1.5deg)scale(1.05)}66%{transform:translate(-3%,4%)rotate(-1deg)scale(.97)}to{transform:translate(2%,-2%)rotate(.5deg)scale(1.02)}}@keyframes ambientDrift2{0%{transform:translate(0)rotate(0)scale(1)}33%{transform:translate(-3%,2%)rotate(-1deg)scale(1.03)}66%{transform:translate(4%,-3%)rotate(1.5deg)scale(.96)}to{transform:translate(-2%,3%)rotate(-.5deg)scale(1.04)}}.grain{pointer-events:none;z-index:-1;opacity:.06;mix-blend-mode:soft-light;background-image:radial-gradient(circle at 25% 25%,#ffffff59 0 .8px,#0000 1px),radial-gradient(circle at 75% 44%,#ffffff38 0 .7px,#0000 1px),radial-gradient(circle at 44% 72%,#ffffff2e 0 .6px,#0000 1px);background-size:24px 24px,28px 28px,20px 20px;position:absolute;inset:0}.shell{grid-template-columns:minmax(280px,34vw) minmax(460px,1fr);align-items:center;gap:clamp(34px,4vw,74px);height:100%;padding:44px clamp(36px,4vw,72px) 102px;display:grid;position:relative}.left{--cover-footprint:min(var(--cover-size), 100%);flex-direction:column;justify-content:center;align-items:flex-start;min-width:0;padding-left:clamp(60px,8vw,160px);display:flex;transform:translate(clamp(38px,4.6vw,88px))}.cover-wrap{width:var(--cover-footprint);aspect-ratio:1;border-radius:var(--cover-radius);max-width:100%;box-shadow:var(--shadow);margin-bottom:30px;position:relative;overflow:hidden;transform:translateY(clamp(28px,3.4vh,48px));&:before{content:"";z-index:2;border-radius:inherit;pointer-events:none;position:absolute;inset:0;box-shadow:inset 0 0 0 1px #ffffff12}}.cover{object-fit:cover;background:linear-gradient(145deg, rgba(var(--accent-rgb), .34), #202028d6);width:100%;height:100%;display:block}.cover-glow{z-index:-1;border-radius:calc(var(--cover-radius) + 8px);background:linear-gradient(135deg, rgba(var(--accent-rgb), .65), rgba(var(--accent-2-rgb), .35));filter:blur(34px);opacity:.26;position:absolute;inset:16px;transform:translateY(10px)scale(1.03)}.meta{width:min(100%, var(--cover-footprint));max-width:var(--cover-footprint);transform:translateY(clamp(24px,2.8vh,40px))}.eyebrow{color:#ffffff85;letter-spacing:.16em;text-transform:uppercase;user-select:none;margin-bottom:10px;font-size:13px}.title{letter-spacing:-.02em;overflow-wrap:anywhere;text-wrap:balance;margin:0;font-size:clamp(31px,2.6vw,46px);font-weight:700;line-height:1.1}.artist{color:var(--text-soft);overflow-wrap:anywhere;margin-top:14px;font-size:clamp(14px,1.05vw,18px);font-weight:550}.right{isolation:isolate;justify-content:center;align-items:center;min-width:0;height:min(72vh,820px);display:flex;position:relative;overflow:hidden;&:before{content:"";z-index:0;pointer-events:none;background:radial-gradient(circle at 40% 45%, rgba(var(--accent-4-rgb), .12), transparent 50%), radial-gradient(circle at 60% 55%, rgba(var(--accent-2-rgb), .1), transparent 55%);filter:blur(26px);opacity:.72;position:absolute;inset:10% 6%}}.lyrics-focus-line{z-index:2;width:min(100%,900px);height:var(--focus-line-height);pointer-events:none;background:linear-gradient(90deg,#0000,#ffffff0a 15% 85%,#0000);border-top:1px solid #ffffff0f;border-bottom:1px solid #ffffff0f;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.lyrics-track{text-align:center;width:100%;transform:translateY(var(--lyrics-offset));will-change:transform;flex-direction:column;align-items:center;gap:18px;padding:42vh 0;transition:transform .28s cubic-bezier(.2,.7,.2,1);display:flex}.lyrics-viewport{z-index:1;width:min(100%,900px);height:100%;position:relative;overflow:hidden;mask-image:linear-gradient(#0000 0%,#000000b8 14%,#000 28% 72%,#000000b8 86%,#0000 100%)}.lyric-line{color:var(--text-faint);font-size:calc(clamp(25px, 2.05vw, 38px) * var(--lyrics-scale));letter-spacing:-.01em;white-space:pre-wrap;word-break:break-word;transform-origin:50%;filter:blur(1.2px);opacity:.6;font-weight:700;line-height:1.45;transition:color .24s,opacity .24s,transform .24s,filter .24s;&.active{color:#fffffffa;filter:none;opacity:1;text-shadow:0 1px #ffffff2e,0 0 10px #ffffff14,0 0 22px #ffffff0f;transform:scale(1.018)}&.near{color:#ffffffbf;filter:blur(.5px);opacity:.85}&.empty{opacity:.32}}.bottom{z-index:4;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;width:min(68vw,780px);display:grid;position:absolute;bottom:52px;left:50%;transform:translate(-50%)}.time{color:#ffffff75;font-variant-numeric:tabular-nums;letter-spacing:.04em;min-width:48px;font-size:12px}.progress{appearance:none;border-radius:var(--radius-pill);background:linear-gradient(90deg, #ffffffeb, #ffffffb8) 0 / var(--progress) 100% no-repeat, #ffffff1f;cursor:pointer;user-select:none;touch-action:none;border:0;outline:none;width:100%;height:5px;box-shadow:inset 0 0 0 1px #ffffff08;&:disabled{cursor:not-allowed;opacity:.65}&::-webkit-slider-runnable-track{border-radius:var(--radius-pill);background:0 0;height:5px}&::-webkit-slider-thumb{appearance:none;border-radius:var(--radius-pill);background:#fffffff2;border:0;width:12px;height:12px;margin-top:-3.5px;box-shadow:0 2px 8px #00000038}&::-moz-range-track{border-radius:var(--radius-pill);background:0 0;border:0;height:5px}&::-moz-range-thumb{border-radius:var(--radius-pill);background:#fffffff2;border:0;width:12px;height:12px;box-shadow:0 2px 8px #00000038}&::-moz-range-progress{border-radius:var(--radius-pill);background:linear-gradient(90deg,#ffffffeb,#ffffffb8);height:5px}&:focus-visible{&::-webkit-slider-thumb{box-shadow:0 0 0 5px #ffffff1a,0 2px 8px #00000038}&::-moz-range-thumb{box-shadow:0 0 0 5px #ffffff1a,0 2px 8px #00000038}}}.controls-panel{z-index:12;border-radius:var(--radius-md);width:min(420px,100vw - 32px);max-height:calc(100vh - 48px);color:inherit;backdrop-filter:blur(24px);scrollbar-width:thin;scrollbar-color:#ffffff26 transparent;opacity:1;transition:opacity .22s ease, transform .22s ease, display .22s allow-discrete;background:#0e0e12b8;border:1px solid #ffffff14;margin:0;padding:18px;position:absolute;top:24px;left:auto;right:24px;overflow:auto;transform:translateY(0);box-shadow:0 20px 70px #00000059;@starting-style{opacity:0;transform:translateY(-10px)}&:not([open]){opacity:0;pointer-events:none;transform:translateY(-10px)}}.panel-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;display:flex}.panel-title{letter-spacing:.02em;font-size:15px;font-weight:700}.panel-actions{flex-wrap:wrap;gap:8px;display:flex}.btn,.mini-btn,.file-label{appearance:none;border-radius:var(--radius-sm);color:#fff;cursor:pointer;user-select:none;background:#ffffff14;border:0;justify-content:center;align-items:center;gap:8px;padding:10px 14px;text-decoration:none;transition:transform .15s,background .15s,opacity .15s;display:inline-flex;&:hover{background:#ffffff21;transform:translateY(-1px)}&:disabled{cursor:wait;opacity:.72;transform:none}}.mini-btn{padding:8px 10px;font-size:12px}.btn.primary{background:linear-gradient(135deg, rgba(var(--accent-rgb), .95), rgba(var(--accent-2-rgb), .84));color:#1a0e0b;font-weight:700}.btn.export-btn{color:#fff;background:linear-gradient(135deg,#ff5a5af2,#ff7878d6)}.grid{gap:12px;display:grid}.row2{grid-template-columns:1fr 1fr;gap:12px;display:grid}.field{gap:7px;display:grid;& label{color:#ffffff8c;font-size:12px;font-weight:600}& input[type=text],& textarea,& input[type=range]{width:100%}& input[type=text],& textarea{border-radius:var(--radius-sm);color:#fff;background:#ffffff0a;border:1px solid #ffffff14;outline:none;padding:12px 13px}& textarea{resize:vertical;min-height:160px;line-height:1.5}& input[type=range]{accent-color:rgb(var(--accent-rgb))}}.field-header{justify-content:space-between;align-items:center;gap:10px;display:flex}.calibration-card{border-radius:var(--radius-md);background:#ffffff06;border:1px solid #ffffff12;padding:14px}.calibration-slider{gap:8px}.value-pill{border-radius:var(--radius-pill);color:#ffffffd1;font-variant-numeric:tabular-nums;background:#ffffff14;padding:4px 9px;font-size:12px}.calibration-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid;& .mini-btn{width:100%;min-height:40px;line-height:1.35}}.calibration-status{min-height:2.9em}.hint{color:#ffffff73;font-size:12px;line-height:1.45}.export-status{min-height:2.9em}.checkbox-label{cursor:pointer;user-select:none;color:#ffffffd9;align-items:center;gap:10px;font-size:13px;display:flex;& input[type=checkbox]{appearance:none;border-radius:var(--radius-xs);cursor:pointer;background:#ffffff0a;border:2px solid #ffffff40;width:18px;height:18px;transition:background .2s,border-color .2s;position:relative;&:checked{background:linear-gradient(135deg, rgba(var(--accent-rgb), .95), rgba(var(--accent-2-rgb), .84));border-color:#0000;&:after{content:"";border:2px solid #1a0e0b;border-width:0 2px 2px 0;width:4px;height:8px;position:absolute;top:2px;left:5px;transform:rotate(45deg)}}&:hover{border-color:#fff6}}}.floating-tools{z-index:13;align-items:center;gap:10px;display:flex;position:absolute;top:24px;left:24px}.badge{border-radius:var(--radius-pill);color:#ffffffb8;backdrop-filter:blur(14px);user-select:none;background:#0a0a0e75;border:1px solid #ffffff14;padding:9px 12px;font-size:12px}.recording-mode{& .controls-panel,& .floating-tools{opacity:0!important;pointer-events:none!important}}@media (width<=1099px){html,body{overflow:auto}body{background:radial-gradient(circle at 18% 22%, rgba(var(--accent-rgb), .22), transparent 32%), radial-gradient(circle at 82% 76%, rgba(var(--accent-4-rgb), .2), transparent 34%), linear-gradient(160deg, #090a0d, #13151b 60%, #0c0d11);min-width:0}.app{display:none}.desktop-only-notice{place-items:center;min-height:100vh;padding:24px;display:grid}.desktop-only-card{backdrop-filter:blur(22px);background:#0e1016d1;border:1px solid #ffffff1a;border-radius:28px;width:min(100%,420px);padding:28px;box-shadow:0 24px 80px #00000061}.desktop-only-kicker{color:#ffffff7a;letter-spacing:.18em;text-transform:uppercase;margin-bottom:12px;font-size:12px;font-weight:700}.desktop-only-card h1{letter-spacing:-.03em;margin:0 0 12px;font-size:28px;line-height:1.1}.desktop-only-card p{color:#ffffffad;margin:0;font-size:15px;line-height:1.65}}