/* FretForge — minimalist pro-app aesthetic. Dark + porcelain-light themes. */
@font-face{
  font-family:"Bricolage Grotesque";
  src:url("../fonts/bricolage-grotesque.woff2") format("woff2");
  font-weight:400 700;font-display:swap;font-style:normal;
}
:root{
  --font-display:"Bricolage Grotesque",-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif;
  --root-ink:#000;   /* text on the (light) root dot in dark theme */
  --dot-ink:#000;    /* text on colored interval dots in dark theme */
  --bg:#000000;
  --surface:#141416;
  --surface-2:#1c1c1f;
  --surface-3:#242428;
  --hair:rgba(255,255,255,.09);
  --hair-strong:rgba(255,255,255,.16);
  --text:#f5f5f7;
  --muted:rgba(235,235,245,.6);
  --faint:rgba(235,235,245,.3);
  --accent:#0a84ff;
  --accent-press:#0a84ff;
  /* refined fretboard interval palette */
  --role-root:#f5f5f7;
  --role-third:#0a84ff;
  --role-fifth:#30d158;
  --role-seventh:#bf5af2;
  --role-ext:rgba(235,235,245,.32);
  --good:#30d158; --warn:#ffd60a; --bad:#ff453a; --emph:#ffd60a;
  --fb-fret:rgba(255,255,255,.12);
  --fb-nut:rgba(255,255,255,.85);
  --fb-string:rgba(255,255,255,.32);
  --fb-inlay:rgba(255,255,255,.08);
  --fb-dot-stroke:#000;
  --radius:16px; --radius-sm:11px;
  --shadow:0 1px 0 rgba(255,255,255,.04) inset, 0 10px 30px rgba(0,0,0,.5);
  --nav-bg:rgba(0,0,0,.72);
}
/* Porcelain — warm, bright, Apple-light. */
html[data-theme="light"]{
  --bg:#f3f2ef;
  --surface:#ffffff;
  --surface-2:#faf9f6;
  --surface-3:#eceae6;
  --hair:rgba(0,0,0,.10);
  --hair-strong:rgba(0,0,0,.17);
  --text:#1d1d1f;
  --muted:rgba(60,60,67,.62);
  --faint:rgba(60,60,67,.4);
  --accent:#0071e3;
  --role-root:#1d1d1f;
  --role-third:#0071e3;
  --role-fifth:#1f9e4d;
  --role-seventh:#9a3fd6;
  --role-ext:rgba(60,60,67,.5);
  --good:#1f9e4d; --warn:#a6791a; --bad:#d70015; --emph:#e08a00;
  --fb-fret:rgba(0,0,0,.15);
  --fb-nut:rgba(0,0,0,.68);
  --fb-string:rgba(0,0,0,.36);
  --fb-inlay:rgba(0,0,0,.07);
  --fb-dot-stroke:#ffffff;
  --root-ink:#ffffff;   /* text on the (dark) root dot */
  --dot-ink:#ffffff;    /* text on colored interval dots */
  --shadow:0 1px 2px rgba(0,0,0,.05), 0 8px 24px rgba(0,0,0,.07);
  --nav-bg:rgba(243,242,239,.8);
}
html[data-theme="light"] select{
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M3 4.5L6 7.5L9 4.5' stroke='rgba(60,60,67,.55)' stroke-width='1.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
}
*{box-sizing:border-box}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;color-scheme:dark}
body{margin:0;background:var(--bg);color:var(--text);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Segoe UI",Inter,Roboto,sans-serif;
  letter-spacing:-.01em}

/* ---- header ---- */
header{display:flex;align-items:baseline;gap:14px;padding:30px 40px 18px}
.brand-mark{width:40px;height:40px;border-radius:11px;align-self:center;display:block;flex:none;
  box-shadow:0 2px 10px rgba(10,132,255,.25)}
header h1{font-family:var(--font-display);font-size:22px;font-weight:700;margin:0;letter-spacing:-.02em}
header h1 b{font-weight:700;color:var(--text)}
header .sub{color:var(--muted);font-size:13px;font-weight:400}
.theme-toggle{margin-left:auto;align-self:center;appearance:none;background:var(--surface-2);
  border:1px solid var(--hair);color:var(--muted);width:38px;height:38px;border-radius:10px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;transition:color .15s,background .15s,border-color .15s}
.theme-toggle:hover{color:var(--text);background:var(--surface-3)}
.theme-toggle svg{width:18px;height:18px}

/* ---- nav: segmented control feel ---- */
nav{position:sticky;top:0;z-index:20;display:flex;gap:2px;padding:8px 40px;flex-wrap:nowrap;
  overflow-x:auto;scrollbar-width:none;
  background:var(--nav-bg);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--hair)}
nav::-webkit-scrollbar{display:none}
nav button{appearance:none;background:transparent;border:none;color:var(--muted);white-space:nowrap;
  padding:8px 15px;border-radius:9px;cursor:pointer;font-size:13.5px;font-weight:500;letter-spacing:-.01em;
  transition:color .15s ease,background .15s ease}
nav button:hover{color:var(--text)}
nav button.active{color:var(--text);background:var(--surface-3)}

main{padding:34px 40px 80px;max-width:1180px;margin:0 auto}
h2{font-family:var(--font-display);font-size:31px;font-weight:700;letter-spacing:-.03em;margin:0 0 4px}
.lede{color:var(--muted);font-size:15px;margin:0 0 26px;max-width:62ch}
h3{font-size:13px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;color:var(--muted);margin:0 0 14px}

/* ---- controls row ---- */
.row{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-end;margin-bottom:26px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--faint)}
select,input[type=text]{appearance:none;background:var(--surface-2);color:var(--text);
  border:1px solid var(--hair);border-radius:10px;padding:10px 34px 10px 13px;font-size:14px;font-weight:500;
  min-width:140px;letter-spacing:-.01em;cursor:pointer;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M3 4.5L6 7.5L9 4.5' stroke='rgba(235,235,245,.5)' stroke-width='1.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat:no-repeat;background-position:right 12px center}
select:focus,input:focus{outline:none;border-color:var(--accent)}

button.btn{appearance:none;background:var(--accent);color:#fff;border:none;border-radius:10px;
  padding:10px 18px;font-weight:600;font-size:14px;letter-spacing:-.01em;cursor:pointer;transition:filter .15s,transform .05s}
button.btn:hover{filter:brightness(1.08)}
button.btn:active{transform:scale(.98)}
button.btn.ghost{background:var(--surface-2);color:var(--text);border:1px solid var(--hair)}
button.btn.ghost:hover{background:var(--surface-3)}

/* ---- cards ---- */
.panel{background:var(--surface);border:1px solid var(--hair);border-radius:var(--radius);
  padding:22px;margin-bottom:20px}
.tab{display:none;animation:fade .25s ease}
.tab.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ---- fretboard ---- */
.fb{background:var(--surface-2);border-radius:13px;display:block;border:1px solid var(--hair)}
.fb-open{fill:var(--faint);font-size:12px;font-weight:600}
.fb-deg{fill:var(--dot-ink);font-size:10.5px;font-weight:700}
.fb-deg.on-root{fill:var(--root-ink)}
.fb-fretnum{fill:var(--faint);font-size:10.5px;font-weight:500}
.fb-dot{transform-box:fill-box;transform-origin:center;animation:dotIn .32s cubic-bezier(.2,.75,.25,1) both}
.fb-static .fb-dot{animation:none}
.fb-dot circle{transition:transform .12s ease;transform-box:fill-box;transform-origin:center}
.fb-dot:hover circle{transform:scale(1.12)}
@keyframes dotIn{from{opacity:0;transform:scale(.25)}to{opacity:1;transform:scale(1)}}
.legend{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px;font-size:13px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:7px}
.dot{width:11px;height:11px;border-radius:50%;display:inline-block}

/* ---- note pills (clickable) ---- */
.notes-pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.pill{background:var(--surface-2);border:1px solid var(--hair);border-radius:9px;padding:6px 12px;
  font-weight:600;font-size:13px;color:var(--text)}
.pill .deg{color:var(--faint);font-weight:500;margin-left:5px}
.pill.root{background:var(--text);color:var(--bg);border-color:transparent}
.pill.root .deg{color:inherit;opacity:.55}
.chip{background:var(--surface-2);border:1px solid var(--hair);border-radius:9px;padding:8px 13px;
  font-weight:600;font-size:13.5px;cursor:pointer;transition:border-color .15s,background .15s;color:var(--text)}
.chip:hover{border-color:var(--hair-strong);background:var(--surface-3)}
.chip .rn{color:var(--accent);font-weight:600;margin-right:8px;font-variant-numeric:tabular-nums}
.chip .sub{color:var(--faint);font-weight:500;margin-left:7px;font-size:12px}
.chip-row{display:flex;gap:9px;flex-wrap:wrap}
.h3-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.h3-row select{min-width:130px;padding:6px 30px 6px 11px;font-size:13px}

/* ---- shape / CAGED grids ---- */
.grids{display:flex;gap:18px;flex-wrap:wrap}
.grid-card{background:var(--surface-2);border:1px solid var(--hair);border-radius:13px;padding:14px 12px 10px;
  text-align:center;cursor:pointer;transition:border-color .15s,transform .1s}
.grid-card:hover{border-color:var(--hair-strong);transform:translateY(-2px)}
.grid-card .gname{font-size:11.5px;color:var(--muted);margin-bottom:8px;font-weight:600;letter-spacing:.01em}
.grid{display:block;margin:0 auto}
.grid-dot{fill:var(--dot-ink);font-size:8.5px;font-weight:700}
.grid-dot.on-root{fill:var(--root-ink)}
.grid-fret{fill:var(--faint);font-size:10.5px;font-weight:600}
.grid-x{fill:var(--faint);font-size:13px;font-weight:700}

input[type=range]{width:100%;height:4px;-webkit-appearance:none;appearance:none;background:var(--surface-3);border-radius:2px;outline:none;margin:14px 0}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;
  box-shadow:0 1px 4px rgba(0,0,0,.5);cursor:pointer}

/* ---- player ---- */
.time-readout{display:flex;justify-content:space-between;color:var(--muted);font-size:12.5px;font-variant-numeric:tabular-nums}
.big-rate{font-family:var(--font-display);font-size:52px;font-weight:700;text-align:center;letter-spacing:-.04em}
.big-rate small{font-size:22px;color:var(--muted)}
.dropzone{border:1.5px dashed var(--hair-strong);border-radius:13px;padding:34px;text-align:center;color:var(--muted);cursor:pointer;transition:border-color .15s,color .15s}
.dropzone:hover{border-color:var(--accent);color:var(--text)}

/* waveform */
.wave-wrap{position:relative;height:120px;background:var(--surface-2);border:1px solid var(--hair);
  border-radius:11px;margin:16px 0 8px;overflow:hidden;cursor:pointer}
.wave-wrap.zoom{height:90px;cursor:default;margin:10px 0 0}
/* -webkit-touch-callout:none stops iOS Safari popping the copy/paste/lookup
   callout (and the magnifier) when you press-and-hold the wave to make a loop. */
.wave-canvas{display:block;width:100%;height:100%;touch-action:none;
  -webkit-touch-callout:none;-webkit-user-select:none;user-select:none}
.wave-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  margin:0;color:var(--faint);font-size:13px;pointer-events:none}

/* loop markers + nudge controls */
.loop-markers{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.loop-marker{display:flex;align-items:center;gap:9px}
.loop-marker-label{width:14px;font-weight:700;color:var(--muted);font-size:13px}
.nudge-btn{appearance:none;background:var(--surface-2);border:1px solid var(--hair);color:var(--text);
  width:34px;height:34px;border-radius:9px;cursor:pointer;font-size:13px;transition:border-color .15s,background .15s}
.nudge-btn:hover{border-color:var(--hair-strong);background:var(--surface-3)}
.nudge-btn:active{transform:scale(.95)}
button.btn.sm{padding:8px 13px;font-size:13px;min-width:74px}
.loop-marker-time{font-variant-numeric:tabular-nums;color:var(--muted);font-size:13px;min-width:56px}
.tap-tempo-row{display:flex;align-items:center;gap:10px;height:41px}
.tap-bpm{font-weight:600;color:var(--text);font-variant-numeric:tabular-nums;font-size:14px}

/* saved clips */
.clip-list{display:flex;flex-direction:column;gap:8px;margin-top:14px}
.clip-row{display:flex;align-items:center;gap:12px;background:var(--surface-2);border:1px solid var(--hair);
  border-radius:11px;padding:11px 12px;cursor:pointer;transition:border-color .15s,background .15s}
.clip-row:hover{border-color:var(--hair-strong);background:var(--surface-3)}
.clip-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.clip-name{font-weight:600;font-size:14px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.clip-meta{font-size:12px;color:var(--faint);font-variant-numeric:tabular-nums}
.clip-del{appearance:none;background:transparent;border:none;color:var(--faint);font-size:18px;
  cursor:pointer;line-height:1;padding:4px 8px;border-radius:7px;flex-shrink:0}
.clip-del:hover{color:var(--bad);background:var(--surface-3)}

/* ---- circle of fifths ---- */
.cof{display:block;margin:0 auto;max-width:460px}
.cof-wedge{fill:var(--surface-2);stroke:var(--bg);stroke-width:2;cursor:pointer;transition:fill .15s}
.cof-wedge:hover{fill:var(--surface-3)}
.cof-wedge.minor{fill:var(--surface)}
.cof-wedge.minor:hover{fill:var(--surface-3)}
.cof-wedge.sel{fill:var(--accent)}
.cof-ring{fill:none;stroke:var(--hair)}
.cof-maj{fill:var(--text);font-size:18px;font-weight:600;pointer-events:none;letter-spacing:-.02em}
.cof-min{fill:var(--muted);font-size:12.5px;font-weight:500;pointer-events:none}
.cof-maj.sel,.cof-min.sel{fill:#fff}
.cof-center-key{fill:var(--text);font-family:var(--font-display);font-size:21px;font-weight:700;letter-spacing:-.02em}
.cof-center-sig{fill:var(--muted);font-size:12px;font-weight:500}

/* ---- misc ---- */
.muted{color:var(--muted)}
.hint{color:var(--faint);font-size:12.5px;margin-top:12px}
.kbd{background:var(--surface-2);border:1px solid var(--hair);border-radius:6px;padding:2px 7px;font-family:ui-monospace,monospace;font-size:12px}
code.cmd{display:block;background:#0c0c0e;border:1px solid var(--hair);border-radius:11px;padding:14px 16px;
  font-family:ui-monospace,"SF Mono",monospace;font-size:12.5px;color:#7ee0b8;overflow-x:auto;margin:10px 0;line-height:1.7}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.func-list{display:flex;flex-direction:column;gap:8px}
.func-list .f{display:flex;justify-content:space-between;padding:9px 13px;background:var(--surface-2);border:1px solid var(--hair);border-radius:10px;font-size:13.5px}
.func-list .f b{color:var(--accent);font-weight:600}
/* songwriter */
.chip.sel{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
/* Songwriter — signature flavours + colour map */
.flavor-chip{cursor:pointer}
#song-flavor-why{margin-top:12px;line-height:1.5}
.cmap-sec{margin:16px 0}
.cmap-head{display:flex;align-items:center;gap:9px;font-size:15px;margin-bottom:9px}
.cmap-dot{width:11px;height:11px;border-radius:50%;flex:none}
.cmap-home .cmap-dot{background:var(--good)}
.cmap-color .cmap-dot{background:var(--accent)}
.cmap-lean .cmap-dot{background:var(--warn)}
.cmap-list{display:flex;flex-direction:column;gap:8px}
.cmap-note{display:flex;align-items:center;gap:13px}
.cmap-pill{flex:none;min-width:54px;text-align:center;padding:6px 10px;border-radius:9px;font-weight:700;cursor:pointer;
  background:var(--surface-2);border:1px solid var(--hair);font-variant-numeric:tabular-nums}
.cmap-home .cmap-pill{border-color:color-mix(in srgb,var(--good) 55%,transparent);color:var(--good)}
.cmap-color .cmap-pill{border-color:color-mix(in srgb,var(--accent) 55%,transparent);color:var(--accent)}
.cmap-lean .cmap-pill{border-color:color-mix(in srgb,var(--warn) 55%,transparent);color:var(--warn)}
.cmap-pill .deg{font-size:11px;opacity:.7;margin-left:4px;font-weight:600}
.cmap-why{font-size:14px;color:var(--muted);line-height:1.4}
.cmap-note.magic .cmap-pill{box-shadow:0 0 0 2px var(--accent)}
.cmap-note.magic .cmap-why b{color:var(--accent)}
.song-head{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:16px;flex-wrap:wrap}
.song-head input{flex:1;min-width:180px;font-size:17px;font-weight:600;background:transparent;border:none;
  border-bottom:1px solid var(--hair);border-radius:0;padding:8px 2px;color:var(--text);letter-spacing:-.01em}
.song-head input:focus{outline:none;border-bottom-color:var(--accent)}
.song-actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.qp-templates{display:flex;align-items:center;gap:11px;flex-wrap:wrap;margin:2px 0 16px;
  padding:12px 14px;background:var(--surface-2);border:1px solid var(--hair);border-radius:11px}
.qp-templates .qp-tpl-lead{font-weight:700;color:var(--text);font-family:var(--font-display)}
.qp-templates select{min-width:230px}
.qp-manual{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:16px;
  padding-top:15px;border-top:1px solid var(--hair)}
.qp-manual select{min-width:108px}
.qp-add{background:var(--surface-2);border:1px solid var(--hair);border-radius:9px;padding:8px 13px;
  font-weight:600;font-size:13.5px;cursor:pointer;transition:border-color .15s,background .15s;color:var(--text)}
.qp-add:hover{border-color:var(--accent);background:var(--surface-3)}
.qp-add .rn{color:var(--accent);font-weight:600;margin-right:8px;font-variant-numeric:tabular-nums}
.prog{display:flex;gap:9px;flex-wrap:wrap;margin:4px 0;min-height:20px}
/* Chosen chords are accent-tinted so they read as YOUR content, not action buttons. */
.prog-chord{display:inline-flex;align-items:center;gap:4px;
  background:rgba(10,132,255,.14);background:color-mix(in srgb,var(--accent) 15%,transparent);
  border:1px solid var(--accent);border-radius:10px;padding:7px 6px 7px 7px;
  font-weight:700;font-size:14.5px;color:var(--accent);cursor:grab}
.prog-chord.dragging{opacity:.4;cursor:grabbing}
.prog-chord.cue-before{box-shadow:-3px 0 0 var(--accent)}
.prog-chord.cue-after{box-shadow:3px 0 0 var(--accent)}
.prog-chord .grip{display:inline-flex;align-items:center;color:var(--faint);padding:0 2px}
.prog-chord .lbl{cursor:pointer;padding:0 2px}
.prog-chord .lbl:hover{color:var(--accent)}
.prog-chord button{appearance:none;background:transparent;border:none;color:var(--faint);font-size:17px;
  cursor:pointer;line-height:1;padding:1px 6px;border-radius:6px}
.prog-chord button:hover{color:var(--bad);background:var(--surface-3)}
.pill.emph{background:transparent;border:1.5px solid var(--emph);color:var(--text)}
.legend .ring{width:13px;height:13px;border-radius:50%;border:2.5px solid var(--emph);display:inline-block}
.bd-row{display:flex;gap:16px;align-items:baseline;padding:13px 0;border-top:1px solid var(--hair)}
.bd-row:first-child{border-top:none}
.bd-name{font-weight:700;font-size:17px;min-width:86px;font-family:var(--font-display);letter-spacing:-.01em}
.bd-body{display:flex;flex-direction:column;gap:5px;font-size:14px}
.bd-lbl{display:inline-block;min-width:98px;color:var(--faint);font-size:11px;text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.bd-body .deg{color:var(--faint);font-weight:500;font-size:12px}
/* accessibility: visible keyboard focus on every interactive control */
button:focus-visible,select:focus-visible,.chip:focus-visible,.grid-card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
nav button:focus-visible{outline-offset:-2px}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}
@media(max-width:780px){
  header,nav,main{padding-left:20px;padding-right:20px}
  .grid-2{grid-template-columns:1fr}
  h2{font-size:25px}
  main{padding-top:24px}
}

/* ===== Guitar Clarity EQ — hardware rack ===== */
.eq-rack{max-width:540px;margin:24px auto 0;border-radius:16px;padding:17px 24px 16px;position:relative;overflow:hidden;
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.015) 0 1px,transparent 1px 3px),
    linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,0) 24%),
    linear-gradient(180deg,#232328,#161619 60%,#0e0e11);
  border:1px solid rgba(0,0,0,.65);
  box-shadow:0 1px 0 rgba(255,255,255,.07) inset,0 0 0 1px rgba(255,255,255,.02) inset,0 -22px 48px rgba(0,0,0,.3) inset,0 20px 50px rgba(0,0,0,.5)}
html[data-theme="light"] .eq-rack{background:
  repeating-linear-gradient(90deg,rgba(255,255,255,.02) 0 1px,transparent 1px 3px),
  linear-gradient(180deg,#2c2c31,#1b1b1f);border-color:rgba(0,0,0,.55)}
.eq-rack::before,.eq-rack::after{content:"";position:absolute;top:11px;width:9px;height:9px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#72727a,#202024 72%);box-shadow:0 1px 1px rgba(0,0,0,.7),0 0 0 1px rgba(0,0,0,.4)}
.eq-rack::before{left:11px}.eq-rack::after{right:11px}

.eq-rack-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 2px 15px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.07)}
.eq-brand{display:flex;flex-direction:column;line-height:1.05}
.eq-brand-name{font-family:var(--font-display);font-weight:700;font-size:16px;letter-spacing:.02em;color:#f5f5f7}
.eq-brand-sub{font-size:10px;letter-spacing:.22em;color:rgba(245,245,247,.4);margin-top:2px}

.eq-power{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:9px;cursor:pointer;
  background:linear-gradient(180deg,#2b2b30,#1b1b1f);border:1px solid rgba(0,0,0,.6);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 2px 5px rgba(0,0,0,.5);
  color:rgba(245,245,247,.7);font-size:11px;font-weight:700;letter-spacing:.14em}
.eq-power:active{transform:translateY(1px)}
.eq-power-led{width:10px;height:10px;border-radius:50%;background:#3a1113;
  box-shadow:0 0 0 1px rgba(0,0,0,.5) inset;transition:background .15s,box-shadow .15s}
.eq-power.on .eq-power-led{background:var(--good);box-shadow:0 0 9px var(--good),0 0 0 1px rgba(0,0,0,.4) inset}
.eq-power.on{color:#f5f5f7}

.eq-channels{display:flex;justify-content:center;gap:0;padding:8px 0 2px}
.eq-chan{display:flex;flex-direction:column;align-items:center;gap:11px;width:106px;padding:2px 0 0;position:relative}
.eq-chan+.eq-chan::before{content:"";position:absolute;left:0;top:4px;bottom:36px;width:1px;
  background:linear-gradient(180deg,transparent,rgba(255,255,255,.07) 20%,rgba(255,255,255,.07) 80%,transparent)}
.eq-led{display:block;width:28px;height:120px;border-radius:3px;background:#050506;
  box-shadow:0 0 0 1px rgba(0,0,0,.85) inset,0 0 16px rgba(0,0,0,.75) inset,0 1px 0 rgba(255,255,255,.05)}
.eq-chan-val{font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text);letter-spacing:.01em}
.eq-chan-name{font-size:10px;font-weight:700;letter-spacing:.12em;color:rgba(245,245,247,.6);text-align:center;line-height:1.35;text-transform:uppercase}
.eq-chan-name small{display:block;font-size:8.5px;letter-spacing:.08em;color:rgba(245,245,247,.32)}

/* vertical fader = a horizontal range rotated -90° inside a fixed-height slot,
   set into a tick-marked well (rock-solid across browsers) */
.eq-fader-slot{height:128px;width:46px;display:flex;align-items:center;justify-content:center;position:relative;border-radius:6px;
  background:
    repeating-linear-gradient(180deg,rgba(255,255,255,.10) 0 1px,transparent 1px 12.7px),
    linear-gradient(180deg,rgba(0,0,0,.28),rgba(0,0,0,.12));
  box-shadow:0 0 0 1px rgba(0,0,0,.5) inset}
.eq-fader-slot::after{content:"";position:absolute;top:50%;left:9px;right:9px;height:1px;background:rgba(255,255,255,.22)}
/* NOTE: selectors are prefixed input[type=range].eq-fader so they out-rank the
   base input[type=range] thumb/track rules (otherwise the default round white
   knob wins on specificity). */
input[type=range].eq-fader{width:128px;height:26px;margin:0;transform:rotate(-90deg);background:transparent;cursor:grab;
  -webkit-appearance:none;appearance:none;position:relative;z-index:1}
input[type=range].eq-fader:active{cursor:grabbing}
input[type=range].eq-fader::-webkit-slider-runnable-track{height:5px;border-radius:3px;
  background:linear-gradient(180deg,#000,#26262b);box-shadow:0 0 0 1px rgba(0,0,0,.8) inset}
input[type=range].eq-fader::-moz-range-track{height:5px;border-radius:3px;background:linear-gradient(180deg,#000,#26262b);box-shadow:0 0 0 1px rgba(0,0,0,.8) inset}
input[type=range].eq-fader::-webkit-slider-thumb{-webkit-appearance:none;width:15px;height:36px;border-radius:4px;margin-top:-15.5px;
  background:linear-gradient(180deg,#fbfbfd,#d2d2d8 46%,#a9a9b0 54%,#dedee2);border:1px solid rgba(0,0,0,.65);
  box-shadow:0 2px 5px rgba(0,0,0,.65),0 1px 0 rgba(255,255,255,.9) inset;cursor:grab}
input[type=range].eq-fader::-moz-range-thumb{width:15px;height:36px;border-radius:4px;
  background:linear-gradient(180deg,#fbfbfd,#d2d2d8 46%,#a9a9b0 54%,#dedee2);border:1px solid rgba(0,0,0,.65)}

.eq-presets{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:16px 8px 2px}
.eq-preset{padding:8px 14px;border-radius:8px;cursor:pointer;font-size:12px;font-weight:600;letter-spacing:.02em;
  color:rgba(245,245,247,.82);background:linear-gradient(180deg,#26262b,#17171b);border:1px solid rgba(0,0,0,.55);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 2px 4px rgba(0,0,0,.4)}
.eq-preset:hover{color:#fff;border-color:var(--accent)}
.eq-preset:active{transform:translateY(1px)}

.eq-advanced{margin:16px 8px 0}
.eq-advanced>summary{cursor:pointer;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);list-style:none}
.eq-advanced>summary::-webkit-details-marker{display:none}
.eq-advanced>summary::before{content:"▸ "}
.eq-advanced[open]>summary::before{content:"▾ "}
.eq-adv-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px;margin-top:12px}
.eq-hint{margin:12px 8px 0}
@media (max-width:520px){.eq-rack{padding:16px 12px 14px}.eq-chan{width:78px}.eq-fader-slot{width:40px}.eq-adv-grid{grid-template-columns:1fr}}

/* ===== YouTube reference mode ===== */
.yt-add{margin-top:14px}
.yt-add-or{display:block;text-align:center;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin-bottom:10px}
.yt-add-row{display:flex;gap:8px}
.yt-add-row input{flex:1;min-width:0;padding:11px 14px;border-radius:11px;border:1px solid var(--hair-strong);
  background:var(--surface-2);color:var(--text);font-size:14px;outline:none}
.yt-add-row input:focus{border-color:var(--accent)}
.yt-add-row .btn{flex:0 0 auto}
.yt-err{color:var(--bad);margin:8px 2px 0}

.yt-frame-wrap{position:relative;width:100%;padding-bottom:56.25%;border-radius:13px;overflow:hidden;
  background:#000;border:1px solid var(--hair);box-shadow:0 10px 30px rgba(0,0,0,.4)}
.yt-frame-wrap iframe,.yt-frame-wrap>#yt-frame{position:absolute;inset:0;width:100%;height:100%;border:0}

.yt-speed{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.yt-rate{min-width:52px}
.yt-rate.on{border-color:var(--accent);color:var(--text);background:color-mix(in srgb,var(--accent) 16%,transparent)}

/* YouTube loop timeline (drag to set A–B, click to seek) */
.yt-timeline{position:relative;height:52px;margin-top:8px;border-radius:10px;cursor:crosshair;overflow:hidden;
  background:linear-gradient(180deg,var(--surface-2),var(--surface-3));border:1px solid var(--hair-strong);
  touch-action:none;user-select:none;-webkit-user-select:none}
/* transport tick marks */
.yt-ticks{position:absolute;inset:0;pointer-events:none}
.yt-tick{position:absolute;bottom:0;width:1px;height:6px;background:var(--hair-strong)}
.yt-tick.major{height:11px;background:var(--faint)}
.yt-tick.major span{position:absolute;bottom:1px;left:4px;font-size:9px;line-height:1;color:var(--faint);
  white-space:nowrap;font-variant-numeric:tabular-nums}
.yt-region{position:absolute;top:0;bottom:0;left:0;width:0;display:none;
  background:rgba(10,132,255,.24);background:color-mix(in srgb,var(--accent) 26%,transparent);
  border-left:2px solid var(--accent);border-right:2px solid var(--accent)}
.yt-head{position:absolute;top:0;bottom:0;left:0;width:2px;background:var(--text);opacity:.85;pointer-events:none}
.yt-timeline-hint{position:absolute;left:0;right:0;top:9px;text-align:center;
  font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--faint);pointer-events:none}
.yt-timeline.has-loop .yt-timeline-hint{display:none}

/* EQ character controls (Warmth / Air) */
.eq-character{display:flex;gap:22px;margin:16px 8px 0;padding-top:16px;border-top:1px solid rgba(255,255,255,.07)}
.eq-char-field{flex:1;display:flex;flex-direction:column;gap:2px}
.eq-char-field label{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:rgba(245,245,247,.62);
  display:flex;justify-content:space-between;align-items:baseline}
.eq-char-field label span{font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:0}
.eq-char-field input[type=range]{margin:8px 0 4px}
.eq-char-field small{font-size:9.5px;letter-spacing:.05em;text-transform:uppercase;color:rgba(245,245,247,.32)}

/* ===== Triads tab ===== */
.tr-intro-main h3{margin-bottom:10px}
.tr-intro-main p{color:var(--muted);max-width:64ch;margin:0}
.tr-legend{display:flex;gap:22px;flex-wrap:wrap;margin-top:16px;font-size:13.5px;color:var(--text)}
.tr-legend span{display:inline-flex;align-items:center;gap:8px}
.tr-legend em{color:var(--muted);font-style:normal}
.tr-dot{width:12px;height:12px;border-radius:50%;display:inline-block;box-shadow:0 0 0 1px var(--fb-dot-stroke) inset}

/* four quality cards */
.tr-quals{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:14px}
.tr-qual{text-align:left;cursor:pointer;appearance:none;border-radius:14px;padding:16px 16px 14px;
  background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--hair);
  transition:border-color .15s,transform .06s,box-shadow .15s}
.tr-qual:hover{border-color:var(--hair-strong);transform:translateY(-2px)}
.tr-qual.sel{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 10px 26px rgba(0,0,0,.28)}
.tr-qual-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.tr-qual-name{font-family:var(--font-display);font-size:19px;font-weight:700;letter-spacing:-.02em;color:var(--text)}
.tr-qual-sym{font-size:15px;color:var(--faint);font-weight:600}
.tr-qual-f{margin:10px 0 8px;font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.tr-f{font-weight:800}
.tr-fx{color:var(--faint);margin:0 6px;font-weight:600}
.tr-qual-sound{font-size:11.5px;letter-spacing:.03em;text-transform:uppercase;color:var(--muted)}

/* explorer header */
.tr-explorer-head{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:4px}
.tr-label{font-family:var(--font-display);font-size:26px;font-weight:700;letter-spacing:-.03em}
.tr-formula{font-size:15px;font-weight:700;margin-top:2px;font-variant-numeric:tabular-nums}
.tr-notes{display:flex;gap:8px;flex-wrap:wrap}
.tr-note{display:inline-flex;align-items:center;gap:7px;background:var(--surface-2);border:1px solid var(--hair);
  border-radius:10px;padding:7px 12px;font-weight:700;font-size:14px}
.tr-note em{font-style:normal;color:var(--faint);font-weight:600;font-size:12px}

/* inversion groups */
.tr-setgroup{margin-top:20px}
.tr-setgroup:first-of-type{margin-top:14px}
.tr-setname{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);
  margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--hair)}

/* concept lists */
.tr-list{margin:6px 0 0;padding-left:18px;color:var(--muted);line-height:1.7}
.tr-list li{margin-bottom:5px}
.tr-list b{color:var(--text)}

/* how-to-use cards */
.tr-use{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:14px}
.tr-use-card{border-radius:14px;padding:16px;background:var(--surface-2);border:1px solid var(--hair)}
.tr-use-n{font-family:var(--font-display);font-size:14px;font-weight:700;color:var(--accent);
  letter-spacing:.05em;margin-bottom:8px}
.tr-use-card h4{margin:0 0 6px;font-size:15px;font-weight:700;letter-spacing:-.01em}
.tr-use-card p{margin:0;font-size:13px;line-height:1.55;color:var(--muted)}
.tr-use-card em{font-style:normal;color:var(--text);font-weight:600}

@media (max-width:820px){.tr-quals,.tr-use{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.tr-quals,.tr-use{grid-template-columns:1fr}}

/* ===== Precision loop editor ===== */
.zoom-ctrls{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--hair);border-radius:9px;padding:2px}
.seg-btn{appearance:none;background:transparent;border:none;color:var(--muted);cursor:pointer;
  padding:5px 11px;border-radius:7px;font-size:12.5px;font-weight:600;letter-spacing:-.01em;transition:color .12s,background .12s}
.seg-btn:hover{color:var(--text)}
.seg-btn.active{background:var(--surface);color:var(--text);box-shadow:0 1px 2px rgba(0,0,0,.25)}
.zoom-pm{min-width:34px;text-align:center;font-size:16px;line-height:1;padding:6px 8px;font-weight:700}
.zoom-width{font-size:12px;color:var(--faint);font-variant-numeric:tabular-nums;min-width:74px}
.zoom-readout{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:12px;
  font-size:13px;color:var(--muted)}
.zoom-readout b{color:var(--text);font-weight:700;font-variant-numeric:tabular-nums;margin-left:4px}
.zoom-readout .btn{margin-left:auto}
/* Floating prompt that appears over the wave once you press-and-hold. */
.wave-hint{position:absolute;top:8px;left:50%;transform:translateX(-50%);display:none;
  align-items:center;gap:6px;background:rgba(0,0,0,.78);color:#fff;font-size:12px;font-weight:600;
  padding:6px 12px;border-radius:20px;pointer-events:none;white-space:nowrap;z-index:4;
  border:1px solid var(--accent);box-shadow:0 2px 10px rgba(0,0,0,.45)}
/* Playback position scrubber — jump to any part of the song. */
.pan-label{display:none;margin:12px 0 2px;font-size:12px;font-weight:600;color:var(--muted)}
.pan-wrap{display:flex;align-items:center;gap:10px;margin-top:4px}
.pan-slider{flex:1;-webkit-appearance:none;appearance:none;height:26px;background:transparent;cursor:pointer}
.pan-slider::-webkit-slider-runnable-track{height:6px;border-radius:3px;
  background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 55%,transparent),var(--accent))}
.pan-slider::-moz-range-track{height:6px;border-radius:3px;
  background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 55%,transparent),var(--accent))}
.pan-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;margin-top:-9px;
  width:24px;height:24px;border-radius:50%;background:var(--accent);border:2px solid #fff;
  box-shadow:0 1px 4px rgba(0,0,0,.4)}
.pan-slider::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--accent);
  border:2px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.4)}

/* ================= MOBILE (phones) ================= */
@media (max-width:600px){
  header,nav,main{padding-left:16px;padding-right:16px}
  .wave-wrap{height:150px}
  main{padding-top:18px;padding-bottom:60px}
  header{padding-top:22px}
  .lede{font-size:14px;margin-bottom:20px}
  .big-rate{font-size:40px}
  .panel{padding:16px}
  .grids{gap:12px}

  /* --- EQ: compact horizontal layout, drop the decorative meters --- */
  .eq-rack{max-width:none;padding:14px 14px 12px;margin-top:18px}
  .eq-rack-top{margin:0 2px 12px;padding-bottom:10px}
  .eq-led{display:none}
  .eq-channels{flex-direction:column;gap:0;padding:2px 0}
  .eq-chan{flex-direction:row;align-items:center;width:100%;gap:12px;padding:10px 2px;border-bottom:1px solid var(--hair)}
  .eq-chan:last-child{border-bottom:none}
  .eq-chan+.eq-chan::before{display:none}
  .eq-chan-name{order:-1;width:92px;text-align:left;line-height:1.2}
  .eq-chan-name small{display:inline;margin-left:5px}
  .eq-fader-slot{order:0;flex:1;width:auto;height:30px;background:none;box-shadow:none;border-radius:0}
  .eq-fader-slot::after{display:none}
  input[type=range].eq-fader{transform:none;width:100%;height:30px}
  input[type=range].eq-fader::-webkit-slider-runnable-track{height:6px;background:linear-gradient(90deg,#000,#26262b)}
  input[type=range].eq-fader::-webkit-slider-thumb{width:16px;height:26px;margin-top:-10px}
  input[type=range].eq-fader::-moz-range-thumb{width:16px;height:26px}
  .eq-chan-val{order:1;width:58px;text-align:right;font-size:13px}
  .eq-character{flex-direction:column;gap:12px;margin:12px 2px 0;padding-top:12px}
  .eq-presets{gap:6px;margin-top:12px}
  .eq-preset{padding:8px 12px;font-size:12px}

  /* precision editor controls wrap cleanly */
  .zoom-ctrls{gap:8px}
  .zoom-readout{gap:14px;font-size:12px}
  .zoom-readout .btn{margin-left:0}

  /* wide control rows: fields fill the width, 2-up */
  .row{gap:10px;margin-bottom:20px}
  .row .field{flex:1 1 44%}
  .row .field select{min-width:0;width:100%}
}

/* build/version tag — footer marker (scrolls with the page) to confirm the deployed build */
.build-tag{margin:4px 16px 30px;text-align:center;font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--muted);font-variant-numeric:tabular-nums}

/* ===== Songwriter: guided single-flow ===== */
.song-builder{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.song-builder select{min-width:0;flex:1 1 120px}
.song-builder .btn{flex:0 0 auto}
.song-keyhelp{margin-top:16px;border-top:1px solid var(--hair);padding-top:14px}
.song-keyhelp>summary{cursor:pointer;font-size:12.5px;font-weight:600;letter-spacing:.02em;color:var(--muted);list-style:none}
.song-keyhelp>summary::-webkit-details-marker{display:none}
.song-keyhelp>summary::before{content:"▸ ";color:var(--faint)}
.song-keyhelp[open]>summary::before{content:"▾ "}
.song-keyhelp .chip-row{margin-top:12px}
.song-settings{display:flex;gap:20px;flex-wrap:wrap;margin-top:16px;padding-top:14px;border-top:1px solid var(--hair)}
.song-settings label{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:600;
  letter-spacing:.04em;text-transform:uppercase;color:var(--faint)}
.song-settings select{min-width:120px}
@media (max-width:600px){.song-settings{gap:12px}.song-settings label{flex:1 1 100%;justify-content:space-between}}