:root{--paper:#f5f2eb;--ink:#282e29;--muted:#93958b;--line:#dddcd2;--accent:#c8734e;--serif:Georgia,'Noto Serif TC','Songti TC','PMingLiU',serif;--sans:Arial,'Microsoft JhengHei',sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14px}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button{touch-action:manipulation}.app{max-width:1320px;margin:auto;padding:0 56px}.header{height:114px;display:flex;align-items:center;border-bottom:1px solid var(--line);gap:24px}.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink);font-size:21px;font-weight:700;letter-spacing:3px}.brand small{display:block;font-size:8px;font-weight:500;letter-spacing:2px;margin-top:7px}.brand-mark{display:flex;gap:3px;width:38px;height:39px;align-items:flex-end}.brand-mark i{height:100%;width:7px;background:var(--ink);border-radius:1px}.brand-mark i:nth-child(2){height:25px;background:var(--accent)}.brand-mark i:nth-child(3){height:33px}.brand-mark i:nth-child(4){height:20px}.quiet-badge{margin-left:auto;font-size:11px;letter-spacing:1px;color:#6c7468;display:flex;gap:9px;align-items:center}.quiet-badge>span{width:6px;height:6px;background:#758671;border-radius:50%}.icon-button{width:35px;height:35px;border:1px solid var(--line);border-radius:50%;background:transparent;font-size:17px;display:flex;align-items:center;justify-content:center}.icon-button:hover{background:#e9e7de}.header>.icon-button{font-family:var(--serif);font-size:19px}main{display:grid;grid-template-columns:minmax(0,1fr) 396px;gap:80px;padding:46px 0 35px}.library{padding-top:5px}.eyebrow{display:flex;align-items:center;gap:10px;font-size:9px;letter-spacing:2px;color:#868b7e}.tiny-line{width:23px;height:1px;background:var(--accent)}h1{font-family:var(--serif);font-size:58px;font-weight:500;line-height:1.25;letter-spacing:2px;margin:23px 0 17px;position:relative}.accent{color:var(--accent)}.title-note{position:absolute;left:335px;top:18px;font-family:var(--serif);font-size:71px;transform:rotate(-12deg);color:#dddcd0;font-weight:400}.intro{font-size:12px;line-height:1.9;color:#8a8e80;letter-spacing:.8px;margin:0 0 30px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:13px}.section-heading h2,.options-row h2{font-size:12px;font-weight:500;letter-spacing:1px;margin:0}.section-heading>span{font-size:9px;color:var(--muted);letter-spacing:1px}.song-list{display:flex;flex-direction:column;gap:8px}.song{display:flex;align-items:center;width:100%;border:1px solid var(--line);border-radius:9px;padding:12px 16px;background:transparent;text-align:left;transition:background .2s,border .2s;gap:14px}.song:hover{background:#eeece3}.song.selected{background:#fffdf8;border-color:#c8734e}.song-art{width:40px;height:40px;flex-shrink:0;background:var(--song-color);color:#fff8ed;font-family:var(--serif);font-size:26px;border-radius:5px;display:flex;align-items:center;justify-content:center}.song-info{flex:1}.song-title{display:block;font-size:13px;font-weight:600;letter-spacing:.5px}.song-sub{display:block;margin-top:6px;color:#929385;font-family:var(--serif);font-size:11px}.song-level{font-size:9px;letter-spacing:1px;color:#8f9586;background:#e9ebe2;padding:4px 7px;border-radius:3px}.song-arrow{width:16px;color:#c4c5b8;font-size:16px}.song.selected .song-arrow{color:var(--accent)}.options-row{display:flex;justify-content:space-between;align-items:center;margin-top:24px}.difficulty{display:flex;gap:3px}.difficulty button{font-size:10px;border:0;padding:6px 10px;border-radius:4px;background:transparent;color:#939587}.difficulty button.active{color:#6d725f;background:#e5e7dd}.mode-picker{display:flex;gap:6px;margin-top:17px}.mode-picker button{flex:1;min-height:38px;border:1px solid var(--line);border-radius:6px;font-size:11px;background:transparent;letter-spacing:.4px}.mode-picker button span{margin-right:5px;font-size:16px}.mode-picker button.active{color:#f5f2eb;background:var(--ink);border-color:var(--ink)}.mode-description{color:#98998c;font-size:10px;line-height:1.8;margin:10px 0 23px}.library-footer{border-top:1px solid var(--line);padding-top:18px;display:flex;align-items:center;gap:11px;font-size:9px;color:#96988a;letter-spacing:.4px}.library-footer b{font-weight:400}.footer-signature{margin-left:auto;letter-spacing:2px;font-size:8px}.player{border:1px solid #d9d9cf;border-radius:16px;background:#fbf9f3;box-shadow:0 15px 35px #282e2908;overflow:hidden;align-self:start}.player-heading{padding:21px 23px 18px;display:flex;align-items:center;justify-content:space-between}.now-label{font-size:8px;color:var(--accent);letter-spacing:2px}.player-heading h2{font-family:var(--serif);font-size:21px;letter-spacing:1px;font-weight:500;margin:8px 0 5px}.player-heading p{font-family:var(--serif);font-size:11px;color:#919486;margin:0}.player-controls{display:flex;gap:7px}.player-controls .icon-button{width:32px;height:32px;font-size:15px}.scorebar{border-top:1px solid #e8e6de;border-bottom:1px solid #e8e6de;display:flex;justify-content:space-between;padding:15px 23px 14px;align-items:center}.scorebar span{display:block;color:#999b8d;font-size:9px;letter-spacing:1px;margin-bottom:4px}.scorebar strong{font-family:var(--serif);font-weight:400;font-size:29px;letter-spacing:1px;line-height:1.2}.scorebar small{font-family:var(--sans);font-size:7px;color:#a3a697;letter-spacing:1px}.combo-stat{text-align:center}.best-stat{text-align:right}.best-stat strong{font-size:20px;color:#7c8372}.board-wrap{height:423px;position:relative;overflow:hidden;background:#f9f8f1;touch-action:none}canvas{width:100%;height:100%;display:block;touch-action:none;outline:0}.lane-labels{position:absolute;bottom:12px;left:0;right:0;display:flex;pointer-events:none}.lane-labels span{width:25%;text-align:center;font-size:9px;color:#adb1a1;letter-spacing:1px}.overlay{position:absolute;inset:0;background:#f5f2eb2b;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(1.5px);padding:25px}.overlay.hidden{display:none}.overlay-content{background:#fbf9f3f5;border:1px solid #e6e5d9;border-radius:12px;padding:27px 24px 24px;width:100%;text-align:center;box-shadow:0 9px 30px #28332a0a}.overlay-note{font-family:var(--serif);font-size:38px;color:var(--accent);line-height:1}.overlay-content h3{font-family:var(--serif);font-size:25px;font-weight:500;letter-spacing:1px;margin:14px 0 10px}.overlay-content p{font-size:11px;line-height:1.9;color:#949787;margin:0 0 20px}.primary-button{display:flex;align-items:center;justify-content:center;gap:16px;min-height:45px;width:100%;border:0;border-radius:6px;background:var(--accent);color:white;font-size:12px;letter-spacing:2px}.primary-button:hover{background:#b5603e}.secondary-button{display:block;width:100%;border:0;background:none;font-size:10px;color:#858b7b;margin-top:15px;letter-spacing:.5px;padding:5px}.overlay-hint{font-size:8px!important;margin:14px 0 0!important;color:#a3a797!important;letter-spacing:1px}.result-stats{display:flex;justify-content:space-around;margin:17px 0 23px}.result-stats strong{display:block;font-family:var(--serif);font-size:25px;font-weight:400}.result-stats span{display:block;font-size:9px;color:#999c8e;margin-top:5px}.new-best{font-size:9px;letter-spacing:2px;color:var(--accent);margin:14px 0}.progress-track{height:3px;background:#e9e8df}.progress-track>div{height:100%;width:0;background:var(--accent);transition:width .12s}.player-footer{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;color:#969b8a;font-size:9px}.player-footer>span:first-child{display:flex;align-items:center;gap:7px}.player-footer i{width:4px;height:4px;border-radius:50%;background:var(--accent)}.player-footer>span:last-child{font-size:7px;letter-spacing:1.4px}.page-footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:21px 0 25px;font-size:9px;letter-spacing:.5px;color:#a1a495}.page-footer>span:last-child{font-size:7px;letter-spacing:2px}.hit-feedback{position:absolute;top:46%;width:100%;text-align:center;color:var(--accent);font-family:var(--serif);font-size:28px;letter-spacing:3px;pointer-events:none;opacity:0}.hit-feedback.show{animation:feedback .55s ease-out forwards}@keyframes feedback{0%{opacity:0;transform:translateY(8px)}20%{opacity:1}100%{opacity:0;transform:translateY(-25px)}}dialog{border:1px solid var(--line);border-radius:15px;max-width:500px;width:calc(100% - 40px);padding:34px;background:var(--paper);color:var(--ink)}dialog::backdrop{background:#22282488;backdrop-filter:blur(4px)}dialog h2{font-family:var(--serif);font-size:27px;font-weight:400}dialog p{color:#777e6d;font-size:12px;line-height:2}dialog a{color:var(--accent);font-size:11px;line-height:2}.close-dialog{float:right}.small-print{font-size:10px!important;color:#939888!important;border-top:1px solid var(--line);padding-top:12px}kbd{background:#e7e8de;border-radius:3px;padding:2px 5px}.countdown{font-family:var(--serif);font-size:72px;color:var(--accent)}.boot-error{padding:30px;line-height:2}.library.locked .song,.library.locked .difficulty button,.library.locked .mode-picker button{cursor:default}.library.locked .song:not(.selected){opacity:.5}
.import-button{background:none;border:0;color:var(--accent);font-size:10px;padding:6px 0;letter-spacing:.4px}.custom-library-note{font-size:9px;color:var(--muted);margin:10px 0 0}.song-list{max-height:340px;overflow-y:auto;padding-right:2px}.import-tabs{display:flex;gap:8px;margin-bottom:20px}.import-tabs button{flex:1;padding:10px;background:transparent;border:1px solid var(--line);border-radius:6px;font-size:12px}.import-tabs button.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}#import-form>label{display:block;font-size:11px;color:#777e6d;margin-bottom:16px}#import-form input:not([type=checkbox]){display:block;width:100%;margin-top:8px;padding:12px;border:1px solid var(--line);border-radius:6px;background:#fffdf8;font:inherit;color:var(--ink)}#import-form input[type=file]{font-size:10px;padding:11px}#import-form .rights-check{display:flex;align-items:center;gap:7px}.rights-check input{accent-color:var(--accent)}.import-status{font-size:11px;line-height:1.8;margin:12px 0 0;min-height:20px}.import-status.error{color:#a74637}.practice-label{color:#c8734e!important}[hidden]{display:none!important}
@media(min-width:1400px){main{gap:105px}.app{max-width:1280px}}
@media(max-width:1050px){.app{padding:0 32px}main{gap:38px;grid-template-columns:minmax(0,1fr) 360px}h1{font-size:48px}.title-note{left:280px;font-size:58px}.song{padding:12px;gap:10px}.footer-signature{display:none}.difficulty button{padding:6px 7px}.mode-picker button{font-size:10px}}
@media(max-width:760px){.app{padding:0 20px}.header{height:84px;gap:12px}.brand{font-size:18px;gap:10px}.brand small{font-size:6px;letter-spacing:1.5px}.brand-mark{width:30px;height:32px;gap:2px}.brand-mark i{width:6px}.quiet-badge{font-size:9px;letter-spacing:0}.header>.icon-button{width:27px;height:27px}main{display:flex;flex-direction:column;gap:25px;padding:25px 0}.eyebrow{font-size:7px;letter-spacing:1.5px}h1{font-size:40px;margin:18px 0 10px;line-height:1.3}.title-note{left:260px;top:8px;font-size:60px}.intro{font-size:11px;margin-bottom:22px}.song-list{display:grid;grid-template-columns:1fr 1fr;gap:8px}.song{padding:11px 9px;gap:8px;min-height:72px}.song-art{width:30px;height:35px;font-size:22px}.song-title{font-size:11px;letter-spacing:0}.song-sub{font-size:9px;line-height:1.4}.song-level,.song-arrow{display:none}.options-row{margin-top:20px}.mode-picker{margin-top:13px}.mode-picker button{font-size:11px}.mode-description{margin-bottom:16px}.library-footer{padding-top:14px;font-size:8px;gap:9px}.footer-signature{display:block;font-size:7px}.player{width:100%;max-width:430px;align-self:center}.player-heading{padding:18px 20px 16px}.board-wrap{height:440px}.page-footer{padding:18px 0 24px}.page-footer>span:last-child{font-size:6px;letter-spacing:1px}body.in-game .library{display:none}body.in-game main{padding-top:18px}body.in-game .board-wrap{height:min(62dvh,540px)}body.in-game .page-footer{display:none}.overlay-content{max-width:315px}}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition:none!important}}

.sound-status { color: #ad563b; font-size: 13px; margin: 8px 0; }
.sound-status:empty { display: none; }
:root{--accent:#447e72}.song.selected{border-color:var(--accent)}.performance-status{font-size:11px;line-height:1.7;color:#447e72;margin:0;padding:0 23px 14px}.copy-library-row{display:flex;align-items:center;justify-content:space-between;margin-top:7px}.copy-library-row a{font-size:10px;color:#778478;text-decoration:none}#import-form select{display:block;width:100%;margin-top:8px;padding:12px;border:1px solid var(--line);border-radius:6px;background:#fffdf8;font:inherit;color:var(--ink)}@media(max-width:760px){.brand{font-size:16px;letter-spacing:1px}.quiet-badge{font-size:8px}.brand small{font-size:6px}}