/* -- JVDS Site Nav -- */

:root{
  --bg:#0a0a12;--panel:#111120;--panel2:#181830;--panel3:#1e1e38;
  --border:rgba(255,255,255,.06);--border2:rgba(255,255,255,.12);
  --accent:#7c3aed;--accent2:#f59e0b;--accent3:#10b981;--accent4:#ef4444;
  --text:#f0f0ff;--muted:#8b93a0;--dim:#3a3a5c;
  --kick:#ef4444;--snare:#f59e0b;--hihat:#10b981;--bass:#3b82f6;
  --mel:#7c3aed;--mel2:#ec4899;--sfx:#14b8a6;--perc:#f97316;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html{height:100%;max-width:100vw;overflow-x:hidden;}
body{height:100%;width:100%;max-width:100vw;display:flex;flex-direction:column;overflow:hidden;background:var(--bg);color:var(--text);font-family:'JetBrains Mono',monospace;touch-action:none;user-select:none;}

/* HEADER */
.site-header{height:46px;background:rgba(8,8,18,.98);border-bottom:1px solid var(--border2);display:flex;align-items:center;justify-content:space-between;padding:0 12px;flex-shrink:0;z-index:100;}
.site-logo{display:flex;align-items:center;gap:7px;font-family:'Fredoka',cursive;font-size:1rem;font-weight:700;color:var(--text);text-decoration:none;}
.site-logo img{height:26px;width:auto;flex-shrink:0;border-radius:5px;}
.site-title{font-family:'Fredoka',cursive;font-size:.95rem;font-weight:600;color:var(--accent2);}
.site-back{font-size:.62rem;font-weight:700;color:var(--muted);padding:4px 9px;border-radius:6px;border:1px solid var(--border2);text-decoration:none;}
.site-back:hover{color:var(--text);}

/* TRANSPORT BAR */
#transport{width:100%;max-width:100vw;min-width:0;min-height:52px;max-height:96px;background:var(--panel);border-bottom:1px solid var(--border2);display:flex;align-items:center;gap:8px;padding:0 12px;flex-shrink:0;overflow-x:auto;flex-wrap:nowrap;}
.t-btn{padding:6px 14px;border-radius:8px;border:none;cursor:pointer;font-family:'Fredoka',cursive;font-size:.85rem;font-weight:600;transition:all .12s;white-space:nowrap;}
.t-play{background:var(--accent3);color:#000;}
.t-play:hover{filter:brightness(1.1);}
.t-play.playing{background:var(--accent4);}
.t-stop{background:var(--panel3);color:var(--text);border:1px solid var(--border2);}
.t-stop:hover{background:var(--dim);}
.t-rec{background:var(--accent4);color:white;}
.t-label{font-size:.55rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;white-space:nowrap;}
.t-val{font-size:.9rem;color:var(--accent2);font-weight:700;min-width:32px;text-align:center;}
.t-slider{accent-color:var(--accent);width:80px;}
.t-sep{width:1px;height:28px;background:var(--border2);flex-shrink:0;}
.beat-indicator{display:flex;gap:2px;align-items:center;}
.beat-dot{width:8px;height:8px;border-radius:50%;background:var(--dim);transition:background .05s;}
.beat-dot.active{background:var(--accent3);}
.pattern-btns{display:flex;gap:3px;}
.p-btn{width:26px;height:26px;border-radius:5px;border:1px solid var(--border2);background:transparent;color:var(--muted);font-size:.6rem;cursor:pointer;display:flex;align-items:center;justify-content:center;font-family:inherit;}
.p-btn:hover{background:var(--panel3);color:var(--text);}
.p-btn.on{background:var(--accent);border-color:var(--accent);color:white;}

/* MAIN APP */
#app{flex:1;display:flex;min-height:0;}

/* LEFT: TRACK LIST */
#track-panel{width:160px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;}
.track-header{height:32px;display:flex;align-items:center;padding:0 8px;border-bottom:1px solid var(--border);font-size:.5rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;gap:6px;flex-shrink:0;}
.add-track-btn{margin-left:auto;width:18px;height:18px;border-radius:4px;border:1px solid var(--border2);background:transparent;color:var(--muted);cursor:pointer;font-size:.75rem;display:flex;align-items:center;justify-content:center;}
.add-track-btn:hover{color:var(--text);background:var(--panel3);}
.track-list{flex:1;overflow-y:auto;}
.track-row{height:44px;display:flex;align-items:center;padding:0 6px;gap:5px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .1s;flex-shrink:0;}
.track-row:hover{background:rgba(255,255,255,.03);}
.track-row.active{background:rgba(124,58,237,.1);}
.track-color{width:4px;height:28px;border-radius:2px;flex-shrink:0;}
.track-name{font-size:.6rem;font-weight:700;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.track-mute{width:16px;height:16px;border-radius:3px;border:1px solid var(--border2);background:transparent;color:var(--muted);cursor:pointer;font-size:.5rem;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.track-mute.muted{background:var(--dim);color:white;}
.track-vol{width:40px;-webkit-appearance:none;appearance:none;height:3px;border-radius:2px;background:var(--dim);outline:none;cursor:pointer;}
.track-vol::-webkit-slider-thumb{-webkit-appearance:none;width:10px;height:10px;border-radius:50%;background:var(--accent);cursor:pointer;}

/* CENTRE: SEQUENCER */
#seq-panel{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden;}
.seq-header{height:32px;display:flex;align-items:center;padding:0 8px;border-bottom:1px solid var(--border);flex-shrink:0;gap:4px;}
.step-nums{display:flex;gap:2px;overflow-x:auto;padding:4px 0;}
.step-num{flex-shrink:0;font-size:.45rem;color:var(--muted);text-align:center;}
.seq-body{flex:1;overflow:auto;}
.seq-grid{display:flex;flex-direction:column;gap:2px;padding:4px 8px;min-width:max-content;}
.seq-track-row{display:flex;gap:2px;align-items:center;height:40px;}
.seq-label{width:0;overflow:hidden;}
.step-cell{flex-shrink:0;border-radius:4px;border:1px solid var(--border);background:var(--panel2);cursor:pointer;transition:all .1s;position:relative;display:flex;align-items:center;justify-content:center;touch-action:none;-webkit-tap-highlight-color:transparent;}
.step-cell:hover{border-color:rgba(255,255,255,.2);}
.step-cell.on{border-color:transparent;}
.step-cell.playing{outline:2px solid white;outline-offset:-2px;}
.step-cell .note-label{font-size:.4rem;color:rgba(255,255,255,.6);pointer-events:none;}
.beat-line{width:1px;background:rgba(255,255,255,.1);height:100%;flex-shrink:0;}

/* TOOL HEADER + OVERLAYS */
.site-header{height:44px;background:rgba(8,10,18,.98);border-bottom:1px solid var(--border2);display:flex;align-items:center;justify-content:space-between;padding:0 12px;flex-shrink:0;gap:10px;}
.site-logo{display:flex;align-items:center;gap:7px;font-family:'Fredoka',cursive;font-size:.95rem;font-weight:700;color:var(--text);text-decoration:none;flex-shrink:0;}
.site-logo img{height:24px;width:auto;border-radius:5px;}
.site-title{font-family:'Fredoka',cursive;font-size:.95rem;font-weight:600;color:var(--accent2);}
.site-back{font-size:.6rem;font-weight:700;color:var(--muted);padding:4px 9px;border-radius:6px;border:1px solid var(--border2);text-decoration:none;white-space:nowrap;}
.site-back:hover{color:var(--text);}
.hdr-btn{font-size:.6rem;padding:4px 9px;border-radius:6px;border:1px solid var(--border2);background:rgba(255,255,255,.05);color:var(--text);cursor:pointer;font-family:inherit;transition:all .12s;white-space:nowrap;}
.hdr-btn:hover{background:rgba(255,255,255,.1);color:var(--accent2);}
.ss-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.78);z-index:10004;align-items:center;justify-content:center;backdrop-filter:blur(6px);padding:16px;}
.ss-box{background:var(--panel2);border:1px solid var(--border2);border-radius:14px;padding:22px;max-width:640px;width:100%;max-height:88vh;overflow-y:auto;}
.ss-box.narrow{max-width:390px;text-align:center;}
.ss-title{font-family:'Fredoka',cursive;font-size:1.2rem;color:var(--accent2);margin-bottom:6px;}
.ss-lead{font-size:.66rem;color:var(--muted);line-height:1.7;margin-bottom:16px;}
.ss-sec{font-size:.48rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;}
.ss-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));gap:9px;list-style:none;margin:0 0 4px;padding:0;}
.ss-steps li{background:rgba(255,255,255,.03);border-left:3px solid var(--accent3,#10b981);border-radius:0 8px 8px 0;padding:9px 11px;font-size:.62rem;line-height:1.6;color:var(--text);}
.ss-steps b{color:var(--accent3,#10b981);display:block;font-size:.5rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:3px;}
.ss-btns{display:flex;gap:8px;justify-content:flex-end;margin-top:16px;}
.ss-btn{padding:7px 16px;border-radius:7px;border:1px solid var(--border2);background:rgba(255,255,255,.06);color:var(--text);cursor:pointer;font-family:'Fredoka',cursive;font-size:.75rem;font-weight:600;}
.ss-btn.primary{background:var(--accent,#a855f7);color:#fff;border-color:transparent;}
.ss-btn:hover{filter:brightness(1.15);}
/* First-run starter picker (A1546) */
.ss-tpl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px;margin-bottom:14px;}
.ss-tpl{display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;padding:10px 12px;border-radius:10px;border:1px solid var(--border2);background:rgba(255,255,255,.04);color:var(--text);cursor:pointer;font-family:inherit;transition:background .15s,border-color .15s;}
.ss-tpl:hover{background:rgba(168,85,247,.18);border-color:var(--accent,#a855f7);}
.ss-tpl .ss-tpl-ico{font-size:1.3rem;line-height:1;}
.ss-tpl .ss-tpl-name{font-size:.7rem;font-weight:700;font-family:'Fredoka',cursive;}
.ss-tpl .ss-tpl-desc{font-size:.56rem;color:var(--muted);line-height:1.4;}
@media(max-width:699px){.site-logo,.site-back{display:none;}.site-header{padding:0 8px;}}

/* RIGHT: INSTRUMENT EDITOR */
#inst-panel{width:180px;flex-shrink:0;background:var(--panel);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;}
.ip{padding:8px;}
.ipt{font-size:.5rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:5px;}
.ipdiv{height:1px;background:var(--border);margin:5px 0;}
.wave-btns{display:grid;grid-template-columns:1fr 1fr;gap:3px;margin-bottom:5px;}
.wave-btn{padding:5px 4px;border-radius:6px;border:1px solid var(--border2);background:transparent;cursor:pointer;font-size:.55rem;color:var(--muted);transition:all .12s;text-align:center;font-family:inherit;}
.wave-btn:hover{background:var(--panel3);color:var(--text);}
.wave-btn.on{background:rgba(124,58,237,.2);border-color:var(--accent);color:var(--accent);}
.knob-row{display:flex;flex-direction:column;gap:3px;margin-bottom:6px;}
.knob-label{font-size:.5rem;color:var(--muted);display:flex;justify-content:space-between;}
.knob-label span{color:var(--accent2);}
input[type=range].kn{width:100%;accent-color:var(--accent);height:3px;}

/* PIANO ROLL */
#piano-modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.8);z-index:10002;align-items:center;justify-content:center;}
#piano-modal.open{display:flex;}
.piano-box{background:var(--panel2);border:1px solid var(--border2);border-radius:14px;padding:16px;width:min(600px,95vw);}
.piano-box h3{font-family:'Fredoka',cursive;font-size:1rem;color:var(--accent2);margin-bottom:10px;}
.piano-wrap{display:flex;gap:4px;overflow-x:auto;padding-bottom:8px;}
.piano-step-col{display:flex;flex-direction:column;gap:0;align-items:center;flex-shrink:0;}
.piano-step-num{font-size:.45rem;color:var(--muted);margin-bottom:3px;text-align:center;}
.piano-key{width:28px;height:16px;border-radius:2px;border:1px solid var(--border2);background:var(--panel3);cursor:pointer;font-size:.38rem;color:var(--muted);display:flex;align-items:center;justify-content:center;transition:all .1s;margin-bottom:1px;}
.piano-key.black{background:#111;color:#555;height:12px;}
.piano-key.on{background:var(--accent);border-color:var(--accent);color:white;}
.piano-key.black.on{background:var(--accent);}
.piano-close{margin-top:10px;padding:7px 18px;border-radius:8px;border:none;background:var(--accent);color:white;font-family:'Fredoka',cursive;font-size:.85rem;cursor:pointer;}

/* EFFECTS */
.fx-btn{display:flex;align-items:center;gap:6px;padding:5px 7px;border-radius:6px;border:1px solid var(--border2);background:transparent;cursor:pointer;font-size:.55rem;color:var(--muted);margin-bottom:3px;width:100%;transition:all .12s;font-family:inherit;}
.fx-btn:hover{background:var(--panel3);color:var(--text);}
.fx-btn.on{background:rgba(124,58,237,.15);border-color:var(--accent);color:var(--accent);}
.fx-dot{width:8px;height:8px;border-radius:50%;background:var(--dim);flex-shrink:0;}
.fx-btn.on .fx-dot{background:var(--accent3);}

/* ACTION BUTTONS */
.ab{width:100%;padding:5px 6px;border-radius:6px;border:none;cursor:pointer;font-family:'Fredoka',cursive;font-size:.75rem;font-weight:600;margin-bottom:3px;transition:all .12s;}
.ab-p{background:var(--accent);color:white;}
.ab-s{background:rgba(255,255,255,.05);color:var(--text);border:1px solid var(--border2);}

/* BOTTOM BAR (mobile) */
#bottom-bar{display:none;flex-direction:column;background:var(--panel);border-top:1px solid var(--border2);flex-shrink:0;}
.bb-tabs{display:flex;}
.bb-tab{flex:1;padding:5px 2px;font-size:.55rem;text-align:center;cursor:pointer;color:var(--muted);border:none;background:transparent;border-bottom:2px solid transparent;font-family:inherit;}
.bb-tab.on{color:var(--accent);border-bottom-color:var(--accent);}
.bb-content{padding:5px 8px;overflow-x:auto;}
.bb-panel{display:none;gap:8px;align-items:center;}
.bb-panel.on{display:flex;}

/* FOOTER */
.site-footer{height:28px;background:rgba(8,8,18,.98);border-top:1px solid var(--border);display:flex;align-items:center;justify-content:center;gap:14px;flex-shrink:0;}
.site-footer a{font-size:.55rem;color:rgba(255,255,255,.2);text-decoration:none;}
.site-footer a:hover{color:rgba(255,255,255,.5);}

/* TOAST */
#toast{position:fixed;bottom:36px;left:50%;transform:translateX(-50%);background:var(--panel2);border:1px solid var(--accent);color:var(--accent2);padding:5px 14px;border-radius:7px;font-size:.7rem;z-index:10005;opacity:0;transition:opacity .3s;pointer-events:none;white-space:nowrap;}

/* RESPONSIVE */
@media(max-width:699px){
  #track-panel,#inst-panel{display:none!important;}
  #bottom-bar{display:flex!important;}
  #seq-panel{flex:1;}
}
@media(min-width:700px) and (max-width:899px){
  #track-panel{width:130px;}
  #inst-panel{width:150px;}
  .ipt{font-size:.45rem;}
  .wave-btn{font-size:.48rem;padding:4px 3px;}
  .ab{font-size:.68rem;}
}
@media(min-width:700px){
  #bottom-bar{display:none!important;}
}

::-webkit-scrollbar{width:3px;height:3px;}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.08);border-radius:2px;}

/* -- JVDS Site Nav -- */

/* ── Header consolidation: second bar slimmed to save VH (auto-injected) ── */
.jvds-site-nav + .site-header,
.jvds-site-nav + .hdr,
.jvds-site-nav + header.site-header,
.jvds-site-nav + header.hdr {
  height:36px !important;
  min-height:36px !important;
  padding:0 10px !important;
}
.jvds-site-nav + .site-header .site-logo img,
.jvds-site-nav + .hdr .hdr-logo img { display:none !important; }
@media(pointer:coarse){
  .tb,.bb-tb,.tool-btn,.shape-btn,.char-btn,.tb-btn,.sw,.bb-sw,.colour-swatch,.seq-cell,.loop-dot,.pad,.kit-btn,button {
    min-height:32px;
  }
  .seq-cell{ height:36px !important; min-height:36px !important; }
  .z-btn,.lb{ min-width:32px; min-height:32px; }
}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}.skip-link:focus{left:50%;transform:translateX(-50%);top:8px;width:auto;height:auto;padding:10px 20px;background:#BC4749;color:white;font-weight:700;font-size:.9rem;border-radius:8px;z-index:9999;text-decoration:none;white-space:nowrap}.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}.skip-link:focus{left:50%;transform:translateX(-50%);top:8px;width:auto;height:auto;padding:10px 20px;background:#BC4749;color:white;font-weight:700;font-size:.9rem;border-radius:8px;z-index:9999;text-decoration:none;white-space:nowrap}