:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#e8edf6;background:#0a1022;font-synthesis:none;--accent:#4da6ff;--accent-soft:#7cb8ff;--muted:#8a9bb8;--line:#2a3a5c}*{box-sizing:border-box}body{margin:0;min-height:100svh;background:url('sky.jpg') center/cover no-repeat,radial-gradient(ellipse at 45% 20%,#16305e 0,transparent 55%),#0a1022}button,input{font:inherit}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}button:focus-visible,input:focus-visible,summary:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button[hidden],[hidden]{display:none!important}.mast{max-width:1050px;margin:0 auto;padding:28px 32px;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:1}.brand{font-size:22px;font-weight:900;letter-spacing:-1px;text-decoration:none;color:#eef2f8}.brand>span{color:var(--accent)}.brand small{display:block;font-size:11px;letter-spacing:3px;font-weight:500;margin-top:5px}.edition{color:var(--muted);font-size:11px;letter-spacing:2px;display:flex;align-items:center;gap:18px}.edition b{font-size:32px;font-weight:300;letter-spacing:-2px;color:var(--accent)}.layout{max-width:930px;margin:10px auto 48px;padding:0 32px;display:grid;grid-template-columns:minmax(0,460px) 280px;justify-content:center;gap:52px;align-items:start;position:relative;z-index:1}.cabinet{overflow:hidden}.songbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;position:relative;padding:19px 22px 15px;border-bottom:1px solid var(--line)}.eyebrow{font-size:11px;letter-spacing:1.5px;color:var(--muted)}h1{font-size:18px;margin:7px 0 0;line-height:1.3;overflow-wrap:anywhere}.icon-button{border:1px solid #3a4f78;background:transparent;color:var(--accent);border-radius:8px;min-width:40px;height:40px;font-size:18px}.hud{display:flex;justify-content:space-between;padding:14px 22px}.hud>div{display:flex;flex-direction:column;gap:6px}.hud span{font-size:10px;color:#8fa0c0;letter-spacing:1px}.hud strong{font-family:Consolas,monospace;font-size:22px;font-weight:500;letter-spacing:.5px}.hud>div:first-child strong{color:var(--accent)}.playfield{height:400px;position:relative;touch-action:none;overflow:hidden}canvas{width:100%;height:100%;display:block;position:relative;z-index:1}.bg-video{position:fixed;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none;z-index:0;opacity:0;transition:opacity .6s}.center-feedback{pointer-events:none;position:absolute;left:0;right:0;top:30%;display:flex;align-items:center;flex-direction:column;text-shadow:0 2px 16px #000;z-index:2}.center-feedback>span{font-size:23px;font-weight:900;letter-spacing:2px;min-height:28px}.center-feedback strong{font-size:60px;font-weight:300;line-height:1.2;letter-spacing:-2px}.center-feedback small{font-size:12px;min-height:18px}.cover{position:absolute;inset:0;background:linear-gradient(#0a12304d,#0a1230d9 35%,#0a1230dc 80%,#0a12302b);display:flex;align-items:center;justify-content:center;padding:20px;z-index:3}.cover-content{text-align:center;width:100%;max-width:440px}.cover-tag{color:var(--accent);font-size:11px;letter-spacing:3px}.cover h2{font-size:34px;letter-spacing:-1px;margin:14px 0}.cover p{font-size:14px;color:#aab7c9;line-height:1.8;margin:12px 0 22px}.cover-content{max-height:100%;overflow-y:auto}.results{width:100%;display:flex;flex-direction:column;align-items:center;gap:10px;margin:8px 0 18px}.res-rank{font-size:56px;font-weight:900;letter-spacing:-2px;line-height:1;color:var(--accent);text-shadow:0 0 28px #4da6ff55}.res-rank.rank-s{color:#ffd166;text-shadow:0 0 30px #ffd16655}.res-rank.rank-a{color:#7cb8ff;text-shadow:0 0 30px #7cb8ff55}.res-rank.rank-b{color:#aab7c9}.res-rank.rank-c{color:#ff6b6b}.res-score{display:flex;flex-direction:column;align-items:center;gap:2px}.res-score span{font-size:11px;letter-spacing:3px;color:var(--muted)}.res-score b{font-family:Consolas,monospace;font-size:32px;font-weight:700;color:#fff;letter-spacing:1px;line-height:1}.res-row{display:flex;gap:34px;justify-content:center}.res-row>div{display:flex;flex-direction:column;align-items:center;gap:3px}.res-row span{font-size:11px;letter-spacing:1px;color:var(--muted)}.res-row b{font-size:24px;font-weight:800;color:#eaf3ff;line-height:1}.res-row>div:first-child b{color:#ffd166}.res-row>div:last-child b{color:#7cb8ff}.res-counts{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:2px}.res-counts span{font-size:12px;color:#aab7c9;background:rgba(255,255,255,.06);border:1px solid #2a3a5c;border-radius:6px;padding:4px 10px}.res-counts b{color:#eaf3ff;font-weight:700;margin-left:2px}.track-info{display:flex;justify-content:center;gap:15px;font-family:Consolas,monospace;font-size:12px;color:#b8c4d6;margin:0 0 26px}.primary{width:100%;background:var(--accent);border:0;border-radius:8px;padding:16px 20px;color:#06121f;font-size:16px;font-weight:750;display:flex;justify-content:center;gap:8px;align-items:center;box-shadow:0 4px 25px #4da6ff30}.primary:hover{background:var(--accent-soft)}.secondary{border:1px solid #3a4f78;background:#16244a;color:#d5e0f0;border-radius:7px;padding:11px 15px;font-size:14px;margin-top:12px}.full{width:100%}.progress{display:block;width:100%;height:3px;background:#16284a;margin-top:8px;border-radius:2px;overflow:hidden}.progress i{display:block;height:100%;width:0;background:var(--accent)}.exit-button{position:fixed;top:12px;right:12px;z-index:6;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.22);background:rgba(8,15,32,.62);color:#dbe6f5;font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);box-shadow:0 2px 14px rgba(0,0,0,.45)}.exit-button:hover{background:rgba(120,20,30,.55);border-color:#ff6b6b;color:#ffb3b3}.exit-button:active{transform:scale(.92)}.keybind-box{display:flex;flex-direction:column;gap:10px;margin-top:12px}.keybind-group{border:1px solid #2a3a5c;border-radius:8px;padding:9px 10px;background:#101a34}.keybind-title{font-size:10px;letter-spacing:1.5px;color:var(--muted);margin-bottom:7px}.keybind-row{display:flex;flex-wrap:wrap;gap:6px}.keybind-key{min-width:42px;height:36px;border:1px solid #3a4f78;background:#16244a;color:#eaf3ff;border-radius:6px;font-family:Consolas,monospace;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 8px}.keybind-key:hover{border-color:var(--accent);background:#1e3560}.keybind-key.is-rebinding{border-color:#ffd166;background:#3a2f12;color:#ffd166;animation:keybind-blink 1s ease-in-out infinite}@keyframes keybind-blink{50%{opacity:.45}}.keys{display:grid;grid-template-columns:repeat(4,1fr);height:90px;gap:2px;background:#080f20;padding:5px 6px 7px;touch-action:none;user-select:none;-webkit-user-select:none}.keys button{border:0;border-top:3px solid #4da6ff;border-radius:0 0 8px 8px;background:linear-gradient(#122a4d,#0a1a3a);color:#cfe4ff;touch-action:none;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:7px;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.keys button:nth-child(2){border-color:#ff5a5a;background:linear-gradient(#2a1418,#1a0c10);color:#f5d0d0}.keys button:nth-child(3){border-color:#55d07a;background:linear-gradient(#0e241a,#0c1810);color:#d0f0d0}.keys button:nth-child(4){border-color:#ff6fa5;background:linear-gradient(#2a1422,#180e16);color:#f5d0e0}.keys button span{font-size:25px;font-weight:500}.keys button small{font-size:10px;letter-spacing:2px;opacity:.5}.keys button.pressed{background:#4da6ff;color:#06121f;box-shadow:0 -10px 35px #4da6ff44}.keys button:nth-child(2).pressed{background:#ff5a5a;color:#200a0a;box-shadow:0 -10px 35px #ff5a5a44}.keys button:nth-child(3).pressed{background:#55d07a;color:#0a200a;box-shadow:0 -10px 35px #55d07a44}.keys button:nth-child(4).pressed{background:#ff6fa5;color:#200a16;box-shadow:0 -10px 35px #ff6fa544}.game-footer{font-size:11px;color:#8a9bb8;display:flex;gap:12px;justify-content:space-between;padding:9px 14px;font-family:Consolas,"Microsoft YaHei",monospace}.settings{padding-top:17px}.section-heading h2{font-size:25px;font-weight:500;letter-spacing:-1px;margin:9px 0 28px}.setting-block{border-top:1px solid var(--line);padding:20px 0}.setting-block label{font-size:14px;display:flex;justify-content:space-between;align-items:center}.setting-block output{color:var(--accent);font-family:Consolas,monospace}.unit{color:var(--muted);font-size:12px}input[type=range]{width:100%;accent-color:var(--accent);margin:20px 0 8px;height:5px;cursor:pointer}.range-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.stepper{display:grid;grid-template-columns:44px 1fr 44px;margin-top:14px;border:1px solid #3a4f78;border-radius:7px;overflow:hidden}.stepper button{background:#16244a;border:0;color:#c6d4e8;font-size:20px;min-height:40px}.stepper input{width:100%;min-width:0;text-align:center;border:0;background:#101a34;color:var(--accent);font-family:Consolas,monospace;font-size:17px;appearance:textfield}.setting-block p,.import-block p,.judgment-guide p{font-size:12px;line-height:1.8;color:var(--muted);margin:10px 0 0}.import-block{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0}.import-block summary{font-size:14px;cursor:pointer;list-style:none;display:flex;justify-content:space-between}.import-block summary span{color:var(--accent)}.file-label{display:block;position:relative;overflow:hidden;padding:12px 10px;border:1px dashed #3a4f78;border-radius:5px;font-size:13px;cursor:pointer;margin-top:12px}.file-label span{float:right;color:var(--muted);font-size:10px;line-height:20px}.file-label input{position:absolute;inset:0;width:100%;opacity:0;cursor:pointer}.file-status{overflow-wrap:anywhere}.song-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:12px}.song-card{border:1px solid #2a3a5c;background:#0e1a34;border-radius:9px;overflow:hidden;cursor:pointer;display:flex;flex-direction:column}.song-card:hover{border-color:#3a5f9e;background:#12204a}.fav-star{position:absolute;right:4px;top:4px;width:26px;height:26px;border:1px solid rgba(255,255,255,.25);background:rgba(0,0,0,.55);color:#9fb0cc;border-radius:6px;font-size:15px;line-height:1;display:flex;align-items:center;justify-content:center;z-index:3;padding:0;cursor:pointer}.fav-star:hover{color:#ffd166;border-color:#ffd166;background:rgba(0,0,0,.75)}.fav-star.on{color:#ffd166;border-color:#ffd166;background:rgba(58,47,18,.8);text-shadow:0 0 8px #ffd166aa}.fav-toolbar{display:flex;align-items:center;gap:8px;margin-top:12px}.fav-filter{flex:1;border:1px solid #2a3a5c;border-radius:8px;padding:9px 0;font-size:13px;font-weight:700;color:#9fb0cc;background:#0e1a34;cursor:pointer;letter-spacing:.05em;transition:background .15s,color .15s,border-color .15s}.fav-filter:hover{color:#dce6f4;border-color:#3a5f9e}.fav-filter.on{background:rgba(77,166,255,.16);border-color:var(--accent);color:#ffd166}.fav-login{font-size:12px;color:var(--accent);text-decoration:none;white-space:nowrap}.fav-login:hover{text-decoration:underline}.song-search{position:relative;margin-top:12px}.song-search input{width:100%;background:#0e1a34;border:1px solid #2a3a5c;border-radius:8px;color:#e8edf6;font-size:13px;padding:10px 34px 10px 12px;font:inherit}.song-search input:focus{outline:none;border-color:#4da6ff}.song-search input::placeholder{color:#5a6a88}.search-clear{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:26px;height:26px;border:0;background:transparent;color:#8a9bb8;font-size:15px;line-height:1;cursor:pointer;padding:0}.search-clear:hover{color:#e8f0fb}.song-cover{position:relative;aspect-ratio:1/1;background:#0a1230;overflow:hidden;display:flex;align-items:center;justify-content:center}.song-cover img{width:100%;height:100%;object-fit:cover;display:block}.song-cover.no-cover::after{content:'♪';font-size:28px;color:#2a3a5c}.song-no{position:absolute;left:4px;top:4px;min-width:20px;height:18px;padding:0 5px;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.62);border:1px solid rgba(255,255,255,.18);color:#fff;font-size:10px;font-weight:800;line-height:1;border-radius:4px;text-shadow:0 1px 2px rgba(0,0,0,.95);box-shadow:0 1px 4px rgba(0,0,0,.55);pointer-events:none;z-index:2;font-family:Consolas,monospace}.song-info{padding:8px 9px 9px;display:flex;flex-direction:column;gap:4px;flex:1}.song-name{font-size:12px;line-height:1.3;font-weight:600;color:#dce6f4;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.song-meta{font-size:10px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.song-diffs{display:flex;gap:4px;margin-top:4px}.diff-btn{flex:1;border:1px solid #2a3a5c;background:#16244a;color:#cfe0f5;border-radius:5px;padding:4px 0 3px;font-size:10px;font-weight:700;line-height:1.1;text-align:center}.diff-btn small{display:block;font-size:8px;font-weight:500;opacity:.55;margin-top:1px}.diff-btn:hover:not(:disabled){border-color:#4da6ff;background:#1e3560}.diff-btn:disabled{opacity:.25}.diff-btn.d-ez{color:#55d07a}.diff-btn.d-nm{color:#7cb8ff}.diff-btn.d-hd{color:#ffb066}.diff-btn.d-mx{color:#ff6fa5}.text-button{background:none;border:0;color:#9fb0cc;font-size:12px;padding:14px 0 0;width:100%;text-decoration:underline;text-underline-offset:4px}#loadMore{background:#16335c;border-color:#4da6ff;color:#eaf3ff;font-weight:700}#loadMore:hover{border-color:#7cb8ff;background:#1e3560}.judgment-guide{padding-top:23px}.judgment-guide>div{display:flex;justify-content:space-between;font-family:Consolas,monospace;font-size:12px;margin-top:12px;color:#b3c0d6}.judgment-guide b{color:var(--accent);font-weight:400}.notice{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);max-width:min(90vw,550px);padding:14px 20px;border:1px solid #4da6ff;border-radius:9px;background:#12244a;color:#e8f0fb;z-index:5;font-size:14px;line-height:1.7;box-shadow:0 5px 30px #0008}body.playing .settings{opacity:.6}body.playing .center-feedback{opacity:1}@media(min-width:760px) and (min-height:850px){.playfield{height:460px}.layout{margin-top:22px}}@media(max-width:759px){.mast{padding:15px 17px 12px}.brand{font-size:20px}.brand small{font-size:9px}.edition{font-size:9px;gap:10px}.edition b{font-size:27px}.layout{display:block;max-width:500px;margin:0 auto;padding:0 10px 28px}.songbar{padding:12px 15px}h1{font-size:16px}.hud{padding:10px 15px}.hud strong{font-size:20px}.playfield{height:clamp(260px,calc(100svh - 227px),520px)}.keys{height:76px}.keys button span{font-size:22px}.game-footer{padding:7px 10px}.settings{padding:28px 12px 0}.section-heading h2{font-size:23px;margin-bottom:20px}.cover h2{font-size:30px}.cover p{margin:10px 0 14px}.track-info{margin-bottom:20px}.primary{padding:13px 17px}.cover-content{max-width:400px}body.playing .mast{opacity:.5}.settings .eyebrow{font-size:12px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}@media(max-height:480px) and (orientation:landscape){.mast{display:none}.layout{display:grid;grid-template-columns:minmax(0,1fr) 236px;grid-template-rows:minmax(0,1fr);gap:14px;max-width:none;margin:0;padding:8px;height:100vh;height:100svh;box-sizing:border-box;align-items:stretch}.cabinet{display:flex;flex-direction:column;min-height:0}.songbar{padding:6px 14px 5px}.songbar .eyebrow{display:none}.songbar h1{font-size:14px;margin-top:0}.hud{padding:4px 14px}.hud strong{font-size:15px}.hud span{font-size:9px}.playfield{flex:1 1 0;min-height:0}.keys{height:clamp(58px,18svh,88px)}.keys button span{font-size:24px}.keys button small{font-size:9px}.game-footer{padding:2px 12px;font-size:10px}.settings{height:calc(100vh - 16px);height:calc(100svh - 16px);overflow-y:auto;-webkit-overflow-scrolling:touch;padding-top:4px}.cover h2{font-size:25px}.cover p{margin:8px 0;font-size:13px}.track-info{margin-bottom:12px}.center-feedback strong{font-size:42px}body.playing .songbar{display:none}body.playing .hud{display:none}body.playing .center-feedback{display:flex}body.playing .settings{display:none}body.playing .layout{display:flex;justify-content:center}body.playing .cabinet{width:50%}}

/* Low-overhead mobile compositor: fixed canvas area, no live filters/shadows. */
.playfield{contain:strict}.progress i{width:100%;transform:scaleX(0);transform-origin:left center;will-change:transform}#quality,#judgePreset,#touchMode{width:100%;margin-top:14px;background:#101a34;color:#d5e0f0;border:1px solid #2a3a5c;border-radius:7px;padding:11px 10px;font:inherit;font-size:14px}body.playing .cabinet{box-shadow:none}body.playing .center-feedback{text-shadow:none}body.playing .keys button.pressed{box-shadow:none}.game-footer{font-size:11px;letter-spacing:-.15px}#autoplay{width:20px;height:20px;accent-color:var(--accent);cursor:pointer;flex:0 0 auto}
/* Desktop landscape fullscreen — phone-landscape-like layout */
@media(min-width:760px) and (min-height:500px){
body{overflow:hidden}
.mast{display:none}
.layout{max-width:none;margin:0;padding:14px;height:100vh;height:100svh;box-sizing:border-box;display:grid;grid-template-columns:minmax(0,1fr) 300px;grid-template-rows:minmax(0,1fr);gap:20px;align-items:stretch}
.cabinet{display:flex;flex-direction:column;min-height:0}
.songbar{padding:14px 20px 12px}
.hud{padding:12px 20px}
.playfield{flex:1 1 0;min-height:0;height:auto}
.keys{height:104px}
.game-footer{padding:9px 20px}
.settings{height:calc(100vh - 28px);height:calc(100svh - 28px);overflow-y:auto;-webkit-overflow-scrolling:touch;padding:18px 20px}
.cover h2{font-size:31px}
.center-feedback strong{font-size:52px}
body.playing .settings{display:none}
body.playing .layout{display:flex;justify-content:center}
body.playing .cabinet{width:min(880px,88%)}
body.playing .songbar{display:flex;position:fixed;top:14px;left:14px;z-index:4;max-width:min(420px,62vw);padding:10px 14px;background:rgba(8,15,32,.82);border:1px solid rgba(74,102,150,.45);border-radius:12px;box-shadow:0 4px 24px rgba(0,0,0,.35)}
body.playing .hud{display:none}
}

/* ===== ComboFx · 原创 Combo 跳动反馈 ===== */
.center-feedback strong{display:inline-block;position:relative;will-change:transform;transform:translateZ(0)}
/* 跳动（回弹）：快速放大 → 回弹，叠轻微旋转 + Y 轴弹跳 */
@keyframes cfx-pop{0%{transform:scale(.55) translateY(6px) rotate(-3deg)}45%{transform:scale(var(--pop,1.35)) translateY(var(--pop-y,-6px)) rotate(3deg)}72%{transform:scale(.94) translateY(2px) rotate(0)}100%{transform:scale(1) translateY(0) rotate(0)}}
.center-feedback strong.cfx-pop{animation:cfx-pop var(--pop-dur,.22s) cubic-bezier(.3,.7,.3,1)}
/* 高 combo 描边 */
.center-feedback strong.cfx-outline{-webkit-text-stroke:1px rgba(255,255,255,.45)}
/* 残影：双伪元素，颜色/相位错开，轻微呼吸位移（仅 transform，无 filter 开销） */
.center-feedback strong.cfx-ghost::before,.center-feedback strong.cfx-ghost::after{content:attr(data-c);position:absolute;inset:0;pointer-events:none;text-shadow:none;will-change:transform}
.center-feedback strong.cfx-ghost::before{color:var(--ghost-a,#4da6ff);opacity:.5;animation:cfx-ghost-a .9s ease-in-out infinite}
.center-feedback strong.cfx-ghost::after{color:var(--ghost-b,#a06bff);opacity:.35;animation:cfx-ghost-b 1.1s ease-in-out infinite}
@keyframes cfx-ghost-a{0%,100%{transform:translate(-.18em,.04em) skewX(-14deg) scale(1)}50%{transform:translate(-.32em,.06em) skewX(-18deg) scale(1.04)}}
@keyframes cfx-ghost-b{0%,100%{transform:translate(.18em,.08em) skewX(14deg) scale(1)}50%{transform:translate(.32em,.12em) skewX(18deg) scale(1.05)}}
/* 中断：破碎下坠变灰 */
@keyframes cfx-shatter{0%{transform:translateY(0) scale(1) rotate(0);opacity:1}25%{transform:translateY(5px) scale(1.1) rotate(2deg);opacity:.95}100%{transform:translateY(48px) scale(.7) rotate(-9deg);opacity:0}}
.center-feedback strong.cfx-break{animation:cfx-shatter var(--break-dur,.42s) cubic-bezier(.5,.12,.82,.5) forwards}
/* 屏幕震动（短促、低频触发） */
@keyframes cfx-shake{0%,100%{transform:translate(0,0)}20%{transform:translate(-3px,2px)}40%{transform:translate(3px,-2px)}60%{transform:translate(-2px,-1px)}80%{transform:translate(2px,1px)}}
.playfield.cfx-shake{animation:cfx-shake .18s ease-out}
/* 背景脉冲光晕 */
.cfx-glow{position:absolute;inset:0;pointer-events:none;z-index:1;opacity:0;transition:opacity .5s;background:radial-gradient(ellipse 55% 45% at 50% 62%,var(--glow-color,#4da6ff33),transparent 72%)}
.cfx-glow.on{opacity:1;animation:cfx-breathe 1.4s ease-in-out infinite}
@keyframes cfx-breathe{0%,100%{opacity:.35;transform:scale(1)}50%{opacity:.75;transform:scale(1.07)}}
/* 粒子 */
.cfx-p{position:absolute;width:7px;height:7px;border-radius:50%;pointer-events:none;z-index:3;will-change:transform,opacity}

/* ===== 4KEY / 7KEY 模式切换 TAB ===== */
.mode-tabs{display:flex;gap:8px;margin-top:14px;border:1px solid #2a3a5c;border-radius:8px;padding:4px;background:#0e1a34}
.mode-tab{flex:1;border:0;border-radius:6px;padding:9px 0;font-size:13px;font-weight:700;color:#9fb0cc;background:transparent;cursor:pointer;letter-spacing:.05em;transition:background .15s,color .15s}
.mode-tab:hover{color:#dce6f4}
.mode-tab.active{background:var(--accent);color:#06121f;box-shadow:0 2px 12px #4da6ff44}

/* ===== 判定偏移校准 ===== */
.calib{position:fixed;inset:0;background:rgba(6,12,28,.85);z-index:7;display:flex;align-items:center;justify-content:center}
.calib-box{background:#0e1a34;border:1px solid #2a3a5c;border-radius:12px;padding:26px 30px;max-width:360px;width:92%;text-align:center}
.calib-box h2{font-size:22px;margin:10px 0 8px;color:#e8edf6}
.calib-box p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}
.calib-count{font-family:Consolas,monospace;font-size:30px;font-weight:500;color:var(--accent);margin:16px 0}
body.counting #judgment{font-size:64px;font-weight:700;letter-spacing:3px;min-height:64px}
/* ===== 演奏设置浮动窗口 ===== */
.section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.section-heading>div{flex:1}
.gear-button{border:1px solid #3a4f78;background:#16244a;color:#c6d4e8;border-radius:8px;padding:9px 14px;font-size:13px;white-space:nowrap;flex:0 0 auto}
.gear-button:hover{border-color:#4da6ff;color:#e8f0fb}.section-heading .head-actions{flex:0 0 auto;display:flex;align-items:center;gap:8px}.login-info{font-size:12px;color:var(--muted);text-decoration:none;border:1px solid #3a4f78;border-radius:8px;padding:8px 12px;white-space:nowrap;transition:color .15s,border-color .15s}.login-info:hover{border-color:#4da6ff;color:#e8f0fb}.login-info.on{color:#7cb8ff;border-color:#4da6ff}
.modal{position:fixed;inset:0;z-index:6;display:flex;align-items:center;justify-content:center;padding:16px}
.modal-backdrop{position:absolute;inset:0;background:rgba(6,12,28,.78)}
.modal-panel{position:relative;background:#0e1a34;border:1px solid #2a3a5c;border-radius:12px;padding:20px 22px;width:100%;max-width:380px;max-height:min(86svh,640px);overflow-y:auto;z-index:1}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:2px}
.modal-close{border:0;background:transparent;color:#9fb0cc;font-size:20px;line-height:1;padding:4px 6px}
.modal-close:hover{color:#fff}
.modal-panel h2{font-size:22px;font-weight:500;letter-spacing:-.5px;margin:8px 0 2px;color:#e8edf6}
.modal-body .setting-block{padding:16px 0}
.modal-body .setting-block:first-child{border-top:0}
body.modal-open{overflow:hidden}
/* ===== 歌曲选择 CD 面板 ===== */
.song-picker{display:flex;flex-direction:column;align-items:center;gap:14px}
.cd-row{display:flex;align-items:center;gap:18px;width:100%;justify-content:center}
.cd-wrap{position:relative;width:118px;aspect-ratio:1/1;flex:0 0 auto;margin:0}
.cd-meta{display:flex;flex-direction:column;align-items:flex-start;gap:1px;min-width:0;max-width:240px;text-align:left}
.cd-disc{position:relative;width:100%;height:100%;border-radius:50%;overflow:hidden;background:#0e1a34;box-shadow:0 10px 42px rgba(0,0,0,.55),0 0 0 7px rgba(255,255,255,.06),inset 0 0 0 3px rgba(255,255,255,.08)}
.cd-disc img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.cd-disc::before{content:'';position:absolute;inset:0;border-radius:50%;background:radial-gradient(circle at 32% 28%,rgba(255,255,255,.22),transparent 44%),radial-gradient(circle at 50% 50%,transparent 56%,rgba(0,0,0,.38) 100%);pointer-events:none;z-index:1}
.cd-hole{position:absolute;left:50%;top:50%;width:17%;height:17%;transform:translate(-50%,-50%);border-radius:50%;background:#0a1022;box-shadow:inset 0 0 0 3px rgba(255,255,255,.14);z-index:2}
.cd-disc.no-cover::after{content:'♪';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:54px;color:#2a3a5c;z-index:1}
.cd-title{font-size:14px;font-weight:700;letter-spacing:-.5px;color:#eef2f8;margin:0;overflow-wrap:anywhere;line-height:1.2}
.cd-artist{font-size:13px;color:var(--muted);margin:0;line-height:1.1}
.cd-noter{font-size:12px;color:var(--muted);letter-spacing:.06em;margin:0;line-height:1.1}
.cd-views{font-size:12px;color:var(--muted);letter-spacing:.06em;margin:0;line-height:1.1}
@media(max-width:759px){.cd-row{gap:12px}.song-picker{gap:8px}}
.cd-diffs{display:flex;gap:10px;width:100%;max-width:420px;justify-content:center;margin:0}
.cd-diffs .diff-btn{flex:0 1 72px;padding:10px 0 8px;font-size:15px;font-weight:800;border-radius:9px;border:1px solid #3a5f9e;background:#16244a;color:#cfe0f5}
.cd-diffs .diff-btn small{font-size:10px;margin-top:2px}
.cd-diffs .diff-btn:hover:not(:disabled){border-color:#4da6ff;background:#1e3560}
.cd-diffs .d-ez{color:#55d07a}.cd-diffs .d-nm{color:#7cb8ff}.cd-diffs .d-hd{color:#ffb066}.cd-diffs .d-mx{color:#ff6fa5}.cd-rank{width:100%;max-width:420px;margin:0;text-align:left;border-top:1px solid var(--line);padding-top:10px}.cd-rank-title{font-size:11px;letter-spacing:1.5px;color:var(--accent);margin-bottom:6px}.cd-rank-list{list-style:none;margin:0;padding:0;max-height:180px;overflow-y:auto}.cd-rank-list li{display:flex;align-items:center;gap:8px;padding:3px 2px;font-family:Consolas,monospace;font-size:11px;color:#b8c4d6}.cd-rank-list li:nth-child(-n+3) .rk-no{color:#ffd166}.rk-no{width:20px;color:var(--muted);font-weight:700;flex:0 0 auto}.rk-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rk-score{color:#eaf3ff;font-weight:700;letter-spacing:.5px}

.portrait-keys{display:none;position:absolute;z-index:2;grid-template-columns:repeat(var(--key-count,4),minmax(0,1fr));touch-action:none}
@media(orientation:portrait){body.playing .portrait-keys{display:grid}}
.portrait-keys button{min-width:0;padding:0 2px;border:1px solid #9bc9ed66;border-top:2px solid #8dcfff;background:linear-gradient(#203853cc,#0b1728cc);color:#e9f6ff;font-size:clamp(10px,3vw,18px);font-weight:700;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.portrait-keys button.pressed{background:#4da6ffbb;border-color:#e2f9ff;color:#fff}

body.playing.flat-note-mode .portrait-keys{display:grid}

/* Beveled keycaps: animate the face while the touch target stays fixed. */
.portrait-keys{background:#070d17}
.portrait-keys button{--cap-top:#a7c6e1;--cap-mid:#5d7c9a;--cap-bottom:#293f56;--cap-light:#e0f2ff;--cap-ink:#eff8ff;position:relative;isolation:isolate;overflow:hidden;border:1px solid #050a12;border-top:0;border-radius:0 0 4px 4px;background:linear-gradient(#101c2b,#02060c);padding:0 1px 7px;box-shadow:inset 0 -2px 0 #000;transition:none;-webkit-tap-highlight-color:transparent}
.portrait-keys button[data-tone=blue]{--cap-top:#68d6ff;--cap-mid:#287fbd;--cap-bottom:#123d67;--cap-light:#8deaff}
.portrait-keys button[data-tone=white]{--cap-top:#f2f7ff;--cap-mid:#b7c7d9;--cap-bottom:#60758e;--cap-light:#fff;--cap-ink:#182b44}
.portrait-keys button[data-tone=gold]{--cap-top:#ffe49c;--cap-mid:#cb9436;--cap-bottom:#714613;--cap-light:#fff0bb;--cap-ink:#382405}
.portrait-keys button::before{content:'';position:absolute;inset:1px 1px 7px;z-index:-1;pointer-events:none;border-radius:1px 1px 3px 3px;background:linear-gradient(180deg,var(--cap-top) 0%,var(--cap-mid) 13%,var(--cap-mid) 67%,var(--cap-bottom) 100%);box-shadow:inset 0 2px 0 var(--cap-light),inset 2px 0 0 #ffffff40,inset -2px 0 0 #0005,0 5px 0 var(--cap-bottom),0 7px 2px #000b}
.portrait-keys button::after{content:'';position:absolute;top:4px;left:15%;right:15%;height:2px;background:var(--cap-light);opacity:.6;pointer-events:none}
.portrait-keys .keycap-label{display:block;position:relative;color:var(--cap-ink);font-size:clamp(9px,2.5vw,16px);line-height:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-shadow:0 1px 0 #ffffff40;pointer-events:none}
.portrait-keys button.pressed{background:#050b12;border-color:#050a12;box-shadow:inset 0 -1px 0 #000}
.portrait-keys button.pressed::before{transform:translateY(4px);background:linear-gradient(var(--cap-light),var(--cap-mid) 35%,var(--cap-bottom));box-shadow:inset 0 1px 0 #fff,0 1px 0 var(--cap-bottom)}
.portrait-keys button.pressed::after{transform:translateY(4px);opacity:1}
.portrait-keys button.pressed .keycap-label{transform:translateY(4px)}

/* Reference: dark metal keys, narrow white reflection. */
.portrait-keys{background:#242427;box-sizing:border-box}
.portrait-keys button,.portrait-keys button[data-tone=blue],.portrait-keys button[data-tone=white],.portrait-keys button[data-tone=gold]{--cap-ink:#dfe0e8;background:#171719;border:0;border-right:1px solid #111;border-radius:0 0 5px 5px;padding:0 1px 5px;box-shadow:inset 0 -2px 0 #08080a}
.portrait-keys button::before{inset:2px 1px 4px;border:1px solid #77777e;border-bottom-color:#111117;border-radius:1px 1px 5px 5px;background:linear-gradient(180deg,#535359 0%,#36363d 23%,#5c5c64 30%,#e4e4eb 34%,#f6f6fa 36%,#85858f 40%,#575760 53%,#363640 78%,#292931 100%);box-shadow:inset 1px 0 0 #ffffff18,inset -1px 0 0 #0005,0 2px 0 #08080c}
.portrait-keys button::after{top:3px;left:3px;right:3px;height:24%;border-left:1px solid #b8b8c130;background:none;opacity:1}
.portrait-keys .keycap-label{color:#d9d9e2;font-size:clamp(9px,2vw,13px);text-shadow:0 1px 2px #000;transform:translateY(8px)}
.portrait-keys button.pressed{background:#111114;border-color:#111;box-shadow:inset 0 2px 4px #000}
.portrait-keys button.pressed::before{transform:translateY(2px);background:linear-gradient(180deg,#27272d 0%,#44444c 29%,#ffaaaa 34%,#fff0f0 36%,#9a777f 40%,#45454f 58%,#24242c 100%);box-shadow:inset 0 2px 3px #0008,0 1px 0 #050507}
.portrait-keys button.pressed::after{transform:translateY(2px)}
.portrait-keys button.pressed .keycap-label{transform:translateY(10px);color:#fff}

.first-mode-dialog{width:min(540px,calc(100vw - 32px));max-height:calc(100svh - 28px);overflow:auto;margin:auto;padding:28px;border:1px solid #6f9fcd77;border-radius:18px;color:#edf5ff;background:linear-gradient(145deg,#1a2d47,#0b1424);box-shadow:0 24px 100px #000b;text-align:center}.first-mode-dialog::backdrop{background:#030712cc}.first-mode-brand{font-size:16px;font-weight:900;font-style:italic;color:#80d9ff;letter-spacing:2px}.first-mode-dialog h2{font-size:24px;margin:12px 0}.first-mode-dialog p{font-size:13px;color:#a7bdd6;line-height:1.6}.first-mode-options{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0 16px}.first-mode-options button{min-width:0;padding:16px 10px;border:1px solid #557798;border-radius:12px;background:#0c192be0;color:#eff6ff;text-align:center}.first-mode-options button:hover,.first-mode-options button:focus-visible{border-color:#7fdbff;background:#193751;outline:2px solid #70cfff;outline-offset:2px}.first-mode-options strong,.first-mode-options small{display:block}.first-mode-options strong{font-size:19px;margin:14px 0 8px}.first-mode-options small{font-size:11px;color:#9ebad7}.mode-preview{display:block;position:relative;width:80%;height:110px;margin:auto;overflow:hidden;border-bottom:3px solid #6ad6ff;background:repeating-linear-gradient(90deg,#091321 0%,#091321 24%,#55718b 24.5%,#091321 25%)}.mode-preview-perspective{clip-path:polygon(28% 0,72% 0,100% 100%,0 100%)}.mode-preview i{position:absolute;width:23%;height:6px;background:#a8eaff;box-shadow:0 0 8px #4ecbff66;left:26%;top:25%}.mode-preview i:nth-child(2){left:51%;top:52%;background:#fff}.mode-preview i:nth-child(3){left:1%;top:78%}.mode-preview-perspective i:first-child{width:14%;left:34%;height:3px}.mode-preview-perspective i:nth-child(2){width:18%;height:4px}.first-mode-dialog .first-mode-foot{font-size:11px;margin-bottom:0}@media(max-height:480px){.first-mode-dialog{padding:16px 24px}.first-mode-dialog h2{margin:6px}.first-mode-options{margin:12px 0}.mode-preview{height:60px}.first-mode-options strong{margin:8px 0 4px}}

body.playing.track-left .layout{justify-content:flex-start}
body.playing.track-left .cabinet{margin-left:0;margin-right:auto}
body.playing.track-left .songbar{display:flex;position:fixed;left:auto;right:max(14px,env(safe-area-inset-right));top:max(14px,env(safe-area-inset-top));z-index:4;max-width:min(420px,42vw);padding:10px 14px;background:rgba(8,15,32,.86);border:1px solid #4a669673;border-radius:12px}
body.playing.track-left .center-feedback{left:var(--track-left);right:auto;width:var(--track-width)}
body.playing.track-left .overdrive-popup{left:var(--track-center)}

/* Flat layouts anchor song information beside the upper right of the highway. */
body.playing.flat-note-mode .songbar{display:flex;position:fixed;left:var(--songbar-left);right:auto;top:var(--songbar-top);width:var(--songbar-width);max-width:var(--songbar-width);max-height:28svh;overflow:auto;z-index:4;gap:8px;padding:10px;background:rgba(8,15,32,.86);border:1px solid #4a669673;border-radius:10px}
body.playing.flat-note-mode .songbar>div{min-width:0;flex:1}
body.playing.flat-note-mode .songbar h1{font-size:14px;line-height:1.45;margin:5px 0;overflow-wrap:anywhere}
body.playing.flat-note-mode .songbar .eyebrow{display:block;font-size:9px;letter-spacing:.5px}
body.playing.flat-note-mode .songbar .icon-button{flex:none;min-width:30px;width:30px;height:32px;font-size:14px}
@media(max-width:600px){body.playing.flat-note-mode .songbar{flex-direction:column;align-items:stretch;padding:7px;gap:4px}body.playing.flat-note-mode .songbar h1{font-size:12px}body.playing.flat-note-mode .songbar .icon-button{align-self:flex-end}}
/* ===== 歌曲列表分页 ===== */
.song-pager{grid-column:1/-1;justify-self:center;display:flex;align-items:center;gap:8px;margin:8px 0 4px;padding:8px 16px;border-radius:999px;background:rgba(30,44,79,.45);backdrop-filter:blur(10px) saturate(140%);-webkit-backdrop-filter:blur(10px) saturate(140%);border:1px solid rgba(255,255,255,.08);box-shadow:0 6px 24px rgba(0,0,0,.25)}
.song-pager .pager-btn{width:30px;height:30px;display:flex;align-items:center;justify-content:center;border:none;background:transparent;color:#8fa3c8;border-radius:50%;font-size:20px;line-height:1;cursor:pointer;transition:color .15s,background .15s}
.song-pager .pager-btn:hover:not(:disabled){color:#eaf3ff;background:rgba(255,255,255,.08)}
.song-pager .pager-btn:disabled{opacity:.3;cursor:not-allowed}
.song-pager .pager-page{display:flex;align-items:baseline;gap:5px;white-space:nowrap}
.song-pager .pager-label{font-size:11px;color:#7c8fb0}
.song-pager .pager-total{font-size:11px;color:#7c8fb0}
.song-pager .pager-input{width:56px;flex:0 0 auto;padding:5px 8px;border:1px solid rgba(255,255,255,.08);border-radius:8px;background:#1e2c4f;color:#fff;font-size:15px;font-weight:700;text-align:center;font-variant-numeric:tabular-nums;-moz-appearance:textfield;appearance:textfield}
.song-pager .pager-input::-webkit-outer-spin-button,.song-pager .pager-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.song-pager .pager-input:focus{outline:none;border-color:#4da6ff;box-shadow:0 0 0 2px rgba(77,166,255,.2)}
.song-list>.secondary.full{grid-column:1/-1}
/* ===== 结算页歌曲信息 ===== */
.res-songinfo{display:flex;align-items:center;gap:14px;width:100%;padding:12px;border:1px solid #2a3a5c;border-radius:10px;background:rgba(255,255,255,.04);text-align:left}
.res-cd{position:relative;width:80px;aspect-ratio:1/1;flex:none}
.res-cd .cd-disc.no-cover::after{font-size:34px}
.res-songmeta{display:flex;flex-direction:column;align-items:flex-start;gap:6px;min-width:0;flex:1}
.res-songtitle{font-size:15px;font-weight:700;color:#eaf3ff;line-height:1.3;overflow-wrap:anywhere;text-align:left}
.res-songbadges{display:flex;flex-wrap:wrap;gap:5px;justify-content:flex-start}
.res-badge{display:inline-block;padding:2px 8px;border:1px solid #ffd16680;border-radius:999px;background:rgba(255,209,102,.12);color:#ffd166;font-size:10px;font-weight:700;letter-spacing:.06em;line-height:1.4}
.res-badge-speed{color:#7cb8ff;border-color:#7cb8ff80;background:rgba(124,184,255,.12)}
.res-badge-key{color:#c6d4e8;border-color:#c6d4e880;background:rgba(198,212,232,.12)}
.res-badge-diff.diff-ez{color:#55d07a;border-color:#55d07a80;background:rgba(85,208,122,.12)}
.res-badge-diff.diff-nm{color:#7cb8ff;border-color:#7cb8ff80;background:rgba(124,184,255,.12)}
.res-badge-diff.diff-hd{color:#ffb066;border-color:#ffb06680;background:rgba(255,176,102,.12)}
.res-badge-diff.diff-mx{color:#ff6fa5;border-color:#ff6fa580;background:rgba(255,111,165,.12)}

/* Compact song header: keep the song title, difficulty, live speed and active item badges. */
.songbar #songType,.songbar #songNoter{display:none!important}.songbar>div:first-child{min-width:0;flex:1}.songbar #songTitle{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0}

#notice{position:fixed;top:50%;bottom:auto;left:50%;transform:translate(-50%,-50%);z-index:1500;width:max-content;max-width:min(90vw,550px);box-sizing:border-box;text-align:center;pointer-events:none;padding:18px 24px;font-size:16px;line-height:1.7;box-shadow:0 8px 36px #0009}

/* Flat keyboard typography follows the same skin scale as the highway. */
.flat-note-mode .portrait-keys .keycap-label{font-size:calc(13px * var(--key-ui-scale,1));transform:translateY(calc(8px * var(--key-ui-scale,1)))}
.flat-note-mode .portrait-keys button.pressed .keycap-label{transform:translateY(calc(10px * var(--key-ui-scale,1)))}

/* Temporary layout preview: hide the highway HP strip, retain gameplay HP rules. */
#healthBar{display:none!important}
/* Glory flat 4K: dark outer keys and gold middle keys, scaled with the highway. */
.portrait-keys.glory-key-layout{gap:calc(8px * var(--key-ui-scale,1));padding:calc(3px * var(--key-ui-scale,1)) calc(2px * var(--key-ui-scale,1)) calc(7px * var(--key-ui-scale,1));background:linear-gradient(#0b0e10,#161b20 88%,#050708 89%,#596066 94%,#11161a);border-top:1px solid #070809}
.portrait-keys.glory-key-layout button{--key-top:#495258;--key-face:#20292e;--key-bottom:#141c20;border:0;border-radius:calc(3px * var(--key-ui-scale,1));padding:0;background:#090d10;box-shadow:none}
.portrait-keys.glory-key-layout button:nth-child(2),.portrait-keys.glory-key-layout button:nth-child(3){--key-top:#edcf89;--key-face:#aa894c;--key-bottom:#8b713c}
.portrait-keys.glory-key-layout button::before{inset:0;border:1px solid #0009;border-radius:inherit;transform:none;background:linear-gradient(var(--key-top),var(--key-top) 34%,var(--key-face) 37%,var(--key-face) 83%,var(--key-bottom) 85%);box-shadow:inset 0 1px 2px #ffffff60,inset 0 -2px 2px #0008}
.portrait-keys.glory-key-layout button::after{display:none}
.portrait-keys.glory-key-layout .keycap-label{font-size:calc(20px * var(--key-ui-scale,1));font-weight:800;color:#c5cdd0;transform:none;text-shadow:0 1px 2px #000}
.portrait-keys.glory-key-layout button:nth-child(2) .keycap-label,.portrait-keys.glory-key-layout button:nth-child(3) .keycap-label{color:#4b3e20;text-shadow:0 1px 1px #fff8}
.portrait-keys.glory-key-layout button.pressed::before{transform:translateY(calc(2px * var(--key-ui-scale,1)));filter:brightness(1.2)}
.portrait-keys.glory-key-layout button.pressed .keycap-label{transform:translateY(calc(2px * var(--key-ui-scale,1)))}

/* Original key PNGs include their printed labels; preserve button aria-labels. */
.portrait-keys.image-key-layout button{background-color:transparent;background-size:100% 100%;background-repeat:no-repeat;border:0;border-radius:0;box-shadow:none;padding:0}
.portrait-keys.image-key-layout button::before,.portrait-keys.image-key-layout button::after{display:none}
.portrait-keys.image-key-layout .keycap-label{visibility:hidden}
.portrait-keys.image-key-layout button.pressed{background-color:transparent;box-shadow:none;transform:translateY(calc(2px * var(--key-ui-scale,1)));filter:brightness(1.15)}

#skinPanelFooter{position:absolute;z-index:2;pointer-events:none;background-repeat:no-repeat;background-size:100% 100%}
body:not(.flat-note-mode) #skinPanelFooter,body:not(.playing) #skinPanelFooter{display:none}

#skinPanelFooter{display:block;max-width:none;max-height:none;object-fit:fill;background:none!important;border:0;margin:0;padding:0;transform:none}

.skin-key-side{position:absolute;z-index:2;pointer-events:none;max-width:none;max-height:none;object-fit:fill;border:0;margin:0;padding:0}
body:not(.playing) .skin-key-side,body:not(.flat-note-mode) .skin-key-side{display:none}

.portrait-keys.image-key-layout button{background-image:var(--key-normal-image)}
.portrait-keys.image-key-layout button.pressed{background-image:var(--key-pressed-image);filter:none}

/* Live labels and counters over the skin's decorative panel. */
.portrait-keys.image-key-layout .keycap-label{visibility:visible;font-size:calc(20px * var(--key-ui-scale,1));transform:none}
#skinPanelHud{position:absolute;z-index:3;pointer-events:none}
body:not(.playing) #skinPanelHud,body:not(.flat-note-mode) #skinPanelHud{display:none}
.skin-panel-hp{position:absolute;left:3.3%;width:93.5%;top:12%;height:7.5%;overflow:hidden;border-radius:999px;background:#050709;box-shadow:inset 0 1px 2px #000}
.skin-panel-hp i{display:block;width:100%;height:100%;transform-origin:left;background:linear-gradient(#d6faff,#4bd8ef 40%,#1288b8);transition:transform .1s linear}
.skin-panel-hp.low i{background:linear-gradient(#ffe0b0,#f34b37)}
.skin-panel-score{position:absolute;left:1%;right:1%;top:34%;height:24%;display:flex;align-items:center;justify-content:space-between;padding:0 calc(8 * var(--panel-unit));background:linear-gradient(#bd0909,#f12716 25%,#d51205 65%,#960b04);color:white;border-radius:calc(3 * var(--panel-unit));font-family:Arial,sans-serif;font-size:calc(11 * var(--panel-unit));letter-spacing:calc(1 * var(--panel-unit))}
.skin-panel-score b{font-size:calc(20 * var(--panel-unit));letter-spacing:0;font-variant-numeric:tabular-nums}

/* Seven-key skin uses the same frame; leave more usable face width per lane. */
.portrait-keys.glory-key-layout[data-key-count="7"]{gap:calc(3px * var(--key-ui-scale,1))}
.portrait-keys.image-key-layout[data-key-count="7"] .keycap-label{font-size:calc(16px * var(--key-ui-scale,1));color:#dce7ee;text-shadow:0 1px 2px #000}
.portrait-keys.image-key-layout[data-key-count="7"] button:nth-child(4) .keycap-label{color:#4b3e20;text-shadow:0 1px 1px #fff8}

.skin-panel-song{position:absolute;left:17%;width:66%;top:73%;height:24%;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center;padding:0 calc(5 * var(--panel-unit));color:#fff;font-family:"Microsoft YaHei",sans-serif;font-size:calc(15 * var(--panel-unit));line-height:calc(31 * var(--panel-unit));text-shadow:0 1px 2px #000}

.skin-panel-score{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:calc(5 * var(--panel-unit))}
.skin-panel-score>span:first-child{min-width:0;white-space:nowrap;letter-spacing:0}
.skin-panel-score .skin-panel-points{text-align:right;min-width:0}
.skin-panel-score .skin-panel-multiplier{text-align:center;white-space:nowrap;font-size:calc(13 * var(--panel-unit));font-weight:700;letter-spacing:0;color:#ffe7ba}
.skin-panel-score .skin-panel-multiplier.active{color:#fff075;text-shadow:0 0 calc(4 * var(--panel-unit)) #ffb400}