@import url("https://fonts.googleapis.com/css2?family=Sora:wght@300;400;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap");:root{--bg-dark:#0d1117;--bg-card:hsla(0,0%,100%,.07);--bg-panel:rgba(16,22,32,.85);--accent:#ffd166;--accent-strong:#ef476f;--ink:#f4f1de;--muted:#9ba4b5;--line:hsla(0,0%,100%,.08);--shadow:0 24px 60px rgba(0,0,0,.35)}*{box-sizing:border-box;margin:0;padding:0}body,html{font-family:Sora,Noto Sans SC,sans-serif;background:radial-gradient(circle at top left,#2a2e4e,#0d1117 60%);background-color:#0d1117;color:var(--ink);min-height:100vh;min-height:100svh;overflow-x:hidden;height:100%;width:100%;max-width:100%}html{overflow-x:clip}body{padding-top:0;padding-bottom:env(safe-area-inset-bottom)}.bg-orbit{inset:-20% -10% auto auto;width:60vw;height:60vw;background:radial-gradient(circle,rgba(255,209,102,.18),transparent 70%);filter:blur(8px)}.bg-grid,.bg-orbit{position:fixed;pointer-events:none;z-index:0}.bg-grid{inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:80px 80px;opacity:.15}.page{z-index:1;max-width:1100px;width:100%;margin:0 auto;padding:52px 24px 72px;flex-direction:column;gap:48px;animation:fadeIn .9s ease;overflow-x:hidden}.page,.topbar{position:relative;display:flex}.topbar{z-index:3;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px}.brand h1{font-size:clamp(2.2rem,4vw,3rem)}.nav-tabs{display:flex;gap:12px;flex-wrap:wrap}.auth-inline{gap:16px;position:relative}.auth-actions,.auth-inline{display:flex;align-items:center}.auth-actions{gap:10px}.auth-link{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.nav-tab{background:transparent;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:10px 16px;cursor:pointer;touch-action:manipulation}.nav-tab.active{background:var(--accent);color:var(--bg-dark);font-weight:600}.tag{text-transform:uppercase;letter-spacing:4px;font-size:12px;color:var(--accent);margin-bottom:16px}.brand-link{text-decoration:none;color:inherit;display:inline-block}.lead{color:var(--muted);line-height:1.7;margin-bottom:24px}.auth-card{background:var(--bg-card);border-radius:24px;padding:28px;border:1px solid var(--line);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.auth-tabs{display:flex;gap:12px;margin-bottom:20px}.tab{flex:1 1;background:transparent;color:var(--muted);border:1px solid transparent;border-radius:999px;padding:10px 12px;cursor:pointer;transition:all .2s ease}.tab.active{color:var(--bg-dark);background:var(--accent);font-weight:600}.form{display:flex;flex-direction:column;gap:16px;animation:slideUp .4s ease}.form.hidden{display:none}label span{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid transparent;background:hsla(0,0%,100%,.08);color:var(--ink);font-size:14px}input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,209,102,.25)}button{border:none;font-family:inherit;padding:12px 18px;border-radius:999px;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;touch-action:manipulation;-webkit-tap-highlight-color:transparent}button:hover{transform:translateY(-2px)}.solid{background:linear-gradient(120deg,var(--accent),var(--accent-strong));color:#10141a;font-weight:600;box-shadow:0 16px 30px rgba(239,71,111,.3)}.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}.auth-status{margin-top:12px;font-size:12px;color:var(--muted)}.welcome-row{position:relative}.welcome-trigger{text-align:left;color:var(--ink);background:transparent;border:1px solid var(--line);font-weight:500}.welcome-menu{position:absolute;top:110%;right:0;min-width:140px;background:rgba(16,22,32,.92);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px}.welcome-item{width:100%;text-align:left;background:transparent;color:var(--ink);padding:8px 10px;border-radius:8px}.welcome-item:hover{background:hsla(0,0%,100%,.08)}.panel{background:var(--bg-panel);border-radius:24px;padding:28px;border:1px solid var(--line);box-shadow:var(--shadow);width:100%}.auth-panel{max-width:680px;margin:0 auto}.otp-wrap{position:relative}.otp-wrap input{padding-right:120px}.otp-button{position:absolute;right:4px;top:50%;height:calc(100% - 8px);min-width:96px;padding:0 12px;border-radius:12px;background:hsla(0,0%,100%,.14);color:var(--ink);border:1px solid var(--line)}.otp-button,.otp-button:disabled,.otp-button:hover{transform:translateY(-50%)}.otp-button:disabled{opacity:.6;cursor:not-allowed}.form-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.turnstile{margin-top:8px}.panel-title{margin-bottom:24px}.panel-title h2{font-size:1.8rem;margin-bottom:8px}.panel-title p{color:var(--muted)}.search-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));grid-gap:16px;gap:16px;width:100%}.cards-static .card{animation:none}.back-top{position:fixed;right:24px;bottom:24px;z-index:4;background:hsla(0,0%,100%,.12);color:var(--ink);border:1px solid var(--line)}.card{padding:16px;border-radius:16px;border:1px solid var(--line);background:hsla(0,0%,100%,.04);transition:transform .2s ease,border-color .2s ease;animation:cardIn .35s ease both;animation-delay:var(--delay,0ms);position:relative;overflow:hidden;-webkit-mask-image:-webkit-radial-gradient(#fff,#000);cursor:pointer}.card,.card.has-cover:before{-webkit-clip-path:inset(0 round 16px);clip-path:inset(0 round 16px)}.card.has-cover:before{background-image:var(--cover-url);background-size:cover;background-position:50%;filter:blur(8px);opacity:.6}.card.has-cover:after,.card.has-cover:before{content:"";position:absolute;inset:0;z-index:0;border-radius:inherit}.card.has-cover:after{background:linear-gradient(160deg,rgba(13,17,23,.6),rgba(13,17,23,.9));-webkit-clip-path:inset(0 round 16px);clip-path:inset(0 round 16px)}.card>*{position:relative;z-index:1}.card:hover{transform:translateY(-4px);border-color:hsla(0,0%,100%,.3)}.card h3{margin-bottom:6px}.card p{color:var(--muted);font-size:13px}.leaderboard{display:grid;grid-gap:12px;gap:12px}.leaderboard-row{display:grid;grid-template-columns:60px 1fr 120px;grid-gap:12px;gap:12px;align-items:center;padding:12px 16px;border-radius:16px;border:1px solid var(--line);background:hsla(0,0%,100%,.03);animation:cardIn .35s ease both;animation-delay:var(--delay,0ms)}.leaderboard-name{font-weight:500}.leaderboard-row span{font-size:13px;color:var(--muted)}.login-modal{position:fixed;inset:0;z-index:6;display:grid;place-items:center;padding:24px;justify-items:center}.login-modal-backdrop{position:absolute;inset:0;background:rgba(7,10,14,.7);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.login-modal-card{position:relative;z-index:1;width:90%;max-width:520px;background:rgba(16,22,32,.95);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:28px;overflow:hidden}.modal-card{position:relative}.modal-close{position:absolute;top:16px;right:16px;background:hsla(0,0%,100%,.08);color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:8px 14px}.modal-close:hover{transform:translateY(-1px)}.profile-modal{position:fixed;inset:0;z-index:6;display:grid;place-items:center;padding:24px;justify-items:center}.profile-modal-card{position:relative;z-index:1;width:90%;max-width:520px;background:rgba(16,22,32,.95);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:28px;overflow:hidden}.profile-body{display:grid;grid-gap:10px;gap:10px;margin-bottom:16px}.profile-row{display:grid;grid-template-columns:120px 1fr;grid-gap:12px;gap:12px;align-items:center}.profile-actions{margin-top:8px}.profile-logout{background:#ff6b6b;color:#10141a;box-shadow:0 12px 24px hsla(0,100%,71%,.35)}.auth-panel-anim{animation:panelSwap .25s ease}@keyframes panelSwap{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.song-detail-panel{margin-top:24px;padding:24px;overflow:hidden}.song-detail-anim{animation:panelSwap .25s ease}.song-detail-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.song-detail-layout{display:grid;grid-template-columns:minmax(240px,360px) 1fr;grid-gap:20px;gap:20px;align-items:start}.song-detail-left{display:flex;flex-direction:column;gap:16px}.song-detail-cover{background:#0c1118;border-radius:20px;overflow:hidden}.song-detail-cover img{width:100%;height:auto;display:block}.song-detail-body{display:flex;flex-direction:column;gap:8px;max-height:520px;overflow:auto}.record-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px}.record-stat{background:hsla(0,0%,100%,.04);border:1px solid var(--line);border-radius:16px;padding:12px 14px;display:flex;flex-direction:column;gap:6px}.record-stat span{color:var(--muted);font-size:.9rem;letter-spacing:.02em}.record-stat strong{font-size:1.1rem;color:var(--ink)}.song-detail-meta h3{font-size:1.4rem;margin-bottom:6px}.record-detail-meta{display:flex;flex-direction:column;gap:10px}.record-header{display:flex;flex-direction:column;gap:2px}.record-title h3{font-size:1.4rem;margin-bottom:2px}.record-info,.record-title p{color:var(--muted);font-size:.95rem}.record-info{display:flex;flex-direction:column;gap:2px}.record-score{display:flex;align-items:baseline;gap:8px;padding:10px 14px;border-radius:16px;background:rgba(255,209,102,.12);border:1px solid rgba(255,209,102,.3)}.record-score span{color:var(--muted);font-size:.85rem}.record-score strong{font-size:1.2rem;letter-spacing:.04em}.record-score--difficulty{background:rgba(79,209,197,.12);border-color:rgba(79,209,197,.35)}.record-score--difficulty strong{color:#9bf2e9}.song-detail-body h3{font-size:1.4rem}.song-error,.song-loading{color:var(--muted);font-size:13px}.song-error{color:#ffb4b4}.song-detail-list{margin-top:12px;display:grid;grid-gap:8px;gap:8px}.song-detail-row{display:grid;grid-template-columns:140px 1fr;grid-gap:12px;gap:12px;align-items:start;padding-bottom:8px;border-bottom:1px solid hsla(0,0%,100%,.06)}.song-detail-key{color:var(--muted);font-size:12px;text-transform:none}.song-detail-value{font-size:13px;color:var(--ink);word-break:break-word;white-space:pre-wrap}.footer{text-align:center;padding-bottom:24px;color:var(--muted)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes cardIn{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@media (max-width:720px){body,html{overflow-x:hidden;width:100%}.page{padding:44px 16px 64px;width:100%;max-width:100%;margin:0 auto}.topbar{position:relative;align-items:flex-start;width:100%}.brand h1{font-size:2.2rem}.auth-inline{position:absolute;top:0;right:0;margin:0}.nav-tabs{padding-right:84px;gap:10px}.nav-tabs,.panel{width:100%}.cards{grid-template-columns:1fr}.leaderboard-row{grid-template-columns:48px 1fr 90px}.leaderboard-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.song-detail-layout{grid-template-columns:1fr}.song-detail-body{max-height:none}.record-stats,.song-detail-row{grid-template-columns:1fr}.login-modal-card{width:90%;max-width:90vw;margin:0 auto}.turnstile{transform:scale(.9);transform-origin:left top}.profile-modal-card{width:90%;max-width:90vw;margin:0 auto}.profile-row{grid-template-columns:1fr}}