:root{--ink:#0d1117;--panel:#161b22;--panel2:#1b2028;--line:#262d38;--text:#e6edf3;--dim:#8b949e;--dimmer:#6e7681;--signal:#f5a524;--mono:"JetBrains Mono", ui-monospace, monospace;--body:"Inter", system-ui, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--ink);height:100%;color:var(--text);font-family:var(--body);font-size:15px;overflow:hidden}#app{flex-direction:column;height:100vh;display:flex}#topbar{background:var(--panel2);border-bottom:1px solid var(--line);flex:none;align-items:center;gap:12px;padding:10px 16px;display:flex}#appname{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--signal);flex:none;font-size:13px;font-weight:700}#file-name{font-family:var(--mono);color:var(--dimmer);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:11px;overflow:hidden}#role-badge{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dim);border:1px solid var(--line);border-radius:20px;flex:none;padding:3px 10px;font-size:10px}.spacer{flex:1}#whoami{font-family:var(--mono);color:var(--dim);flex:none;font-size:11px}.linkish{font-family:var(--body);color:var(--dim);cursor:pointer;background:0 0;border:none;flex:none;padding:0;font-size:13px;text-decoration:none}.linkish:hover{color:var(--text);text-decoration:underline}.field{flex-direction:column;gap:6px;display:flex}.field>span{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dimmer);font-size:10px}.field input{font-family:var(--body);border:1px solid var(--line);background:var(--ink);color:var(--text);border-radius:7px;padding:11px 13px;font-size:15px}.field input:focus{border-color:var(--signal);outline:none}#start-card a{color:var(--signal)}#start-wrap{place-items:center;min-height:calc(100vh - 120px);padding:20px;display:grid}#start-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;flex-direction:column;gap:14px;width:min(420px,100%);padding:28px;display:flex}#start-card h1{letter-spacing:-.01em;font-size:20px;font-weight:600}.start-lede{color:var(--dim);font-size:14px;line-height:1.55}.start-hint{color:var(--dimmer);font-size:12px}.start-error{color:var(--signal);border:1px solid var(--signal);background:#f5a5241f;border-radius:6px;padding:8px 12px;font-size:13px}#song-input{display:none}#start-card #file-label{border:1px dashed var(--dimmer);word-break:break-all;text-align:center;border-radius:8px;justify-content:center;gap:9px;padding:18px;font-size:14px}#start-card #file-label:hover{border-color:var(--signal);color:var(--signal)}#start-btn{font-family:var(--body);border:1px solid var(--signal);color:var(--signal);cursor:pointer;background:0 0;border-radius:8px;padding:12px;font-size:15px;font-weight:600;transition:background .14s,opacity .14s}#start-btn:hover:not(:disabled){background:#f5a5241f}#start-btn:disabled{opacity:.35;cursor:default}#invite-btn{font-family:var(--body);border:1px solid var(--signal);color:var(--signal);cursor:pointer;background:#f5a5241f;border-radius:20px;flex:none;padding:5px 14px;font-size:12px;font-weight:600}#invite-panel{background:var(--panel);border-bottom:1px solid var(--line);flex-direction:column;flex:none;gap:8px;padding:12px 16px;display:flex}#invite-label{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dimmer);font-size:10px}#invite-row{flex-wrap:wrap;gap:8px;display:flex}#invite-url{min-width:200px;font-family:var(--mono);border:1px solid var(--line);background:var(--ink);color:var(--text);border-radius:6px;flex:1;padding:9px 12px;font-size:13px}#copy-btn,#wa-btn{font-family:var(--body);border:1px solid var(--line);background:var(--panel2);color:var(--text);cursor:pointer;border-radius:6px;flex:none;place-items:center;padding:9px 18px;font-size:13px;font-weight:600;text-decoration:none;display:grid}#copy-btn:hover,#wa-btn:hover{border-color:var(--dimmer)}#trackbar{background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap;flex:none;align-items:center;gap:8px;min-height:42px;padding:8px 16px;display:flex}#track-label{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dimmer);flex:none;font-size:10px}.chip{font-family:var(--body);border:1px solid var(--line);color:var(--dim);cursor:pointer;background:0 0;border-radius:20px;padding:4px 12px;font-size:12px;font-weight:500;transition:border-color .14s,color .14s,background .14s}.chip:hover{border-color:var(--dimmer);color:var(--text)}.chip[aria-pressed=true]{border-color:var(--signal);color:var(--signal);background:#f5a52424}.chip:focus-visible{outline:2px solid var(--signal);outline-offset:2px}#score-wrap{flex:1;position:relative;overflow:hidden}#alphatab-container{width:100%;height:100%;overflow:auto hidden}.at-cursor-bar{background:#f5a5241f}.at-cursor-beat{background:var(--signal)}#empty{color:var(--dimmer);pointer-events:none;flex-direction:column;justify-content:center;align-items:center;gap:10px;display:flex;position:absolute;inset:0}#empty svg{opacity:.3}#empty p{font-size:14px}#join-overlay{z-index:10;background:#0e1218d1;flex-direction:column;justify-content:center;align-items:center;gap:14px;display:flex;position:absolute;inset:0}#join-overlay p{color:var(--dim);font-size:13px}#join-btn{font-family:var(--body);cursor:pointer;background:var(--signal);color:var(--ink);border:none;border-radius:28px;padding:14px 44px;font-size:16px;font-weight:600;transition:transform .14s}#join-btn:hover{transform:scale(1.04)}#transport{background:var(--panel2);border-top:1px solid var(--line);flex:none;align-items:center;gap:14px;min-height:66px;padding:10px 16px;display:flex}#play-btn{cursor:pointer;background:var(--signal);width:46px;height:46px;color:var(--ink);border:none;border-radius:50%;flex:none;place-items:center;transition:transform .14s,opacity .14s;display:grid}#play-btn:hover{transform:scale(1.06)}#play-btn:disabled{opacity:.35;cursor:default;transform:none}#play-btn svg{fill:currentColor;width:18px;height:18px}#position{font-family:var(--mono);letter-spacing:.02em;min-width:90px;font-size:15px;font-weight:500}#position .sep{color:var(--dimmer)}#status{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dimmer);margin-left:auto;font-size:10px}#home-btn{border:1px solid var(--line);width:34px;height:34px;color:var(--dim);border-radius:8px;flex:none;place-items:center;text-decoration:none;transition:border-color .14s,color .14s,background .14s;display:grid}#home-btn:hover{border-color:var(--dimmer);color:var(--text);background:var(--panel)}#home-btn:focus-visible{outline:2px solid var(--signal);outline-offset:2px}a#appname{text-decoration:none}#guest-hint{background:var(--panel);border-bottom:1px solid var(--line);color:var(--dim);flex-wrap:wrap;flex:none;align-items:center;gap:12px;padding:9px 16px;font-size:13px;display:flex}#guest-hint[hidden]{display:none}#guest-hint>span{flex:1;min-width:200px}#guest-hint a{color:var(--signal);flex:none;font-weight:600;text-decoration:none}#guest-hint a:hover{text-decoration:underline}#guest-hint button{font-family:var(--body);color:var(--dimmer);cursor:pointer;background:0 0;border:none;flex:none;padding:4px 2px;font-size:12px}#guest-hint button:hover{color:var(--text);text-decoration:underline}body.page-body{height:auto;overflow:auto}.page{--edge:clamp(20px, 4vw, 56px);max-width:1180px;padding:0 var(--edge) 72px;margin:0 auto}#nav{border-bottom:1px solid var(--line);align-items:center;gap:14px;padding:14px clamp(20px,4vw,56px);display:flex}#nav .brand{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--signal);font-size:13px;font-weight:700;text-decoration:none}.nav-spacer{flex:1}.btn{font-family:var(--body);border:1px solid var(--line);color:var(--text);cursor:pointer;background:0 0;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:14px;font-weight:600;text-decoration:none;transition:border-color .14s,background .14s,color .14s;display:inline-flex}.btn:hover{border-color:var(--dimmer);background:#f5a5240f}.btn:focus-visible{outline:2px solid var(--signal);outline-offset:2px}.btn-primary{border-color:var(--signal);color:var(--signal)}.btn-primary:hover{background:#f5a5241f}.btn-ghost{color:var(--signal);border-color:#0000;padding:6px 10px}.btn-ghost:hover{background:#f5a5241f;border-color:#0000}.btn-sm{padding:7px 14px;font-size:13px}.btn-block{width:100%}.inline-form{display:inline-flex}#whoami{font-family:var(--mono);color:var(--dim);font-size:11px}.hero{max-width:780px;padding:clamp(36px,7vh,72px) 0 0}.hero h1{letter-spacing:-.025em;text-wrap:balance;font-size:clamp(28px,4.4vw,42px);font-weight:650;line-height:1.12}.hero-lede{color:var(--dim);max-width:60ch;margin-top:12px;line-height:1.6}.hero-note{color:var(--dimmer);margin-top:14px;font-size:13px}.hero-note a{color:var(--signal)}.actions-row{flex-wrap:wrap;align-items:center;gap:12px;margin-top:24px;display:flex}.join-form{flex-wrap:wrap;gap:8px;display:flex}.input{font-family:var(--body);border:1px solid var(--line);background:var(--panel);min-width:220px;color:var(--text);border-radius:8px;padding:10px 14px;font-size:14px}.input::placeholder{color:var(--dimmer)}.input:focus{border-color:var(--signal);outline:none}.form-error{color:var(--signal);margin-top:12px;font-size:13px}.dash-grid{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:28px;margin-top:44px;display:grid}.section-head{margin-bottom:16px}.kicker{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--signal);font-size:10px;display:block}.section-head h2{letter-spacing:-.015em;margin-top:4px;font-size:22px;font-weight:600}.empty-note{color:var(--dimmer);font-size:14px}.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px}.song-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;display:grid}.song-card{flex-direction:column;gap:14px;display:flex}.card-title{overflow-wrap:anywhere;font-size:15px;font-weight:600;line-height:1.35}.song-foot{justify-content:space-between;align-items:center;gap:10px;margin-top:auto;display:flex}.card-meta{color:var(--dimmer);align-items:center;gap:6px;font-size:11.5px;display:inline-flex}.side-col{flex-direction:column;gap:16px;display:flex}.side-card{flex-direction:column;gap:12px;display:flex}.side-card h3{font-size:17px;font-weight:600}.stat-grid{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.stat-num{font-size:22px;font-weight:600}.stat-label{font-family:var(--mono);letter-spacing:.05em;color:var(--dimmer);margin-top:2px;font-size:10px}.upload-zone{border:1px dashed var(--line);color:var(--dim);border-radius:8px;flex-direction:column;align-items:flex-start;gap:10px;padding:16px;text-decoration:none;transition:border-color .14s;display:flex}.upload-zone:hover{border-color:var(--signal)}.upload-zone svg{opacity:.7}.upload-hint{color:var(--dimmer);font-size:11.5px}@media (width<=860px){.dash-grid{grid-template-columns:minmax(0,1fr)}}.card-actions{align-items:center;gap:4px;display:flex}.btn-danger{color:var(--dimmer)}.btn-danger:hover{color:#f85149;background:#f851491f}.flash{border:1px solid var(--line);background:var(--panel);color:var(--dim);border-radius:8px;margin:20px 0 0;padding:10px 14px;font-size:13px}