@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@400;500;600;700&family=Share+Tech+Mono&display=swap');

:root{
  --ink:#05060a;
  --ink2:#0a0c13;
  --panel:#0c0f18;
  --line:rgba(255,255,255,.08);
  --cyan:#22e6ff;      /* accent 1 */
  --magenta:#ff2d78;   /* accent 2 */
  --ember:#ff9f1c;     /* accent 3 */
  --text:#eaf4ff;
  --dim:#6b7a92;
  --font:'Chakra Petch',sans-serif;
  --mono:'Share Tech Mono',monospace;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  background:
    radial-gradient(1200px 600px at 75% -10%, rgba(34,230,255,.07), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(255,45,120,.07), transparent 60%),
    var(--ink);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
}
.mono{font-family:var(--mono)}
.dim{color:var(--dim)}
.accent{color:var(--magenta)}

/* backdrop layers */
.bg-grid{
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(34,230,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,230,255,.05) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(120% 100% at 50% 0%, #000 40%, transparent 100%);
}
.scanlines{
  position:fixed;inset:0;pointer-events:none;z-index:2;
  background:repeating-linear-gradient(0deg, rgba(0,0,0,.16) 0 1px, transparent 1px 3px);
  mix-blend-mode:overlay;opacity:.5;
}

/* ---------- topbar ---------- */
.topbar{
  position:relative;z-index:3;
  display:flex;align-items:center;gap:16px;
  padding:16px clamp(14px,3vw,40px);
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg, rgba(12,15,24,.9), rgba(5,6,10,.6));
  backdrop-filter:blur(6px);
}
.brand h1{
  margin:0;font-size:clamp(20px,3.4vw,30px);font-weight:700;letter-spacing:.06em;
}
.glitch{position:relative}
.brand .sub{font-family:var(--mono);font-size:10px;letter-spacing:.28em;color:var(--dim);margin-top:2px}
.clock{margin-left:auto;text-align:right}
#clock{font-size:clamp(15px,2.4vw,22px);color:var(--cyan);text-shadow:0 0 12px rgba(34,230,255,.6)}
#weekLabel{font-size:10px;letter-spacing:.2em;margin-top:2px}
.mute{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  background:transparent;color:var(--magenta);
  border:1px solid rgba(255,45,120,.4);padding:6px 10px;border-radius:4px;cursor:pointer;
  transition:.15s;
}
.mute:hover{background:rgba(255,45,120,.12)}
.mute.off{color:var(--dim);border-color:var(--line)}

/* ---------- layout ---------- */
.layout{
  position:relative;z-index:3;
  display:grid;
  grid-template-columns:240px 1fr;
  gap:20px;
  padding:20px clamp(14px,3vw,40px) 32px;
  max-width:1280px;margin:0 auto;
}
@media(max-width:860px){.layout{grid-template-columns:1fr;gap:14px}}

.panel{
  position:relative;
  background:linear-gradient(180deg, rgba(16,20,32,.85), rgba(8,10,16,.9));
  border:1px solid var(--line);
  border-radius:10px;
  padding:16px;
  box-shadow:0 0 0 1px rgba(0,0,0,.4), 0 10px 40px rgba(0,0,0,.5);
}
.paneltitle{font-size:10px;letter-spacing:.3em;color:var(--cyan);margin-bottom:12px}

/* corner brackets */
.corner{position:absolute;width:14px;height:14px;border:1px solid var(--cyan);opacity:.55;pointer-events:none}
.corner.tl{top:-1px;left:-1px;border-right:none;border-bottom:none}
.corner.tr{top:-1px;right:-1px;border-left:none;border-bottom:none}
.corner.bl{bottom:-1px;left:-1px;border-right:none;border-top:none}
.corner.br{bottom:-1px;right:-1px;border-left:none;border-top:none}

/* ---------- rail ---------- */
.rail{display:flex;flex-direction:column;gap:14px}
.brush{
  width:100%;text-align:left;cursor:pointer;
  background:rgba(255,255,255,.02);border:1px solid var(--line);border-radius:8px;
  color:var(--text);padding:12px 14px;transition:.15s;
}
.brush b{display:block;font-size:15px;letter-spacing:.12em;font-family:var(--font)}
.brush .hint{font-size:9px;color:var(--dim);letter-spacing:.08em}
.brush:hover{border-color:rgba(34,230,255,.4);background:rgba(34,230,255,.06)}
.brush.active{border-color:var(--magenta);background:rgba(255,45,120,.1);box-shadow:0 0 18px rgba(255,45,120,.18) inset}
.brush.active b{color:var(--magenta)}

.lrow{display:flex;align-items:center;gap:10px;padding:4px 0;font-size:12px;letter-spacing:.06em}
.lrow .dim{font-size:10px;margin-left:auto}
.sw{width:14px;height:14px;border-radius:3px;display:inline-block;flex:none}
.sw3{background:#fff;box-shadow:0 0 10px rgba(255,255,255,.9),0 0 18px rgba(34,230,255,.5)}
.sw2{background:var(--magenta);box-shadow:0 0 10px rgba(255,45,120,.8)}
.sw1{background:var(--ember);box-shadow:0 0 10px rgba(255,159,28,.7)}
.sw0{background:#10131c;border:1px solid var(--line)}

.srow{display:flex;justify-content:space-between;align-items:baseline;padding:3px 0;font-size:12px;color:var(--dim)}
.srow b{color:var(--text);font-size:14px}

.action{
  width:100%;cursor:pointer;font-family:var(--mono);font-size:12px;letter-spacing:.18em;
  padding:13px 16px;border-radius:8px;border:1px solid var(--cyan);
  color:var(--ink);background:linear-gradient(135deg, var(--cyan), #17b3d6);
  transition:.15s;text-transform:uppercase;font-weight:700;
}
.action:hover{filter:brightness(1.15);box-shadow:0 0 22px rgba(34,230,255,.45)}
.action.alt{background:linear-gradient(135deg, var(--magenta), #c91a5a);border-color:var(--magenta)}
.action.alt:hover{box-shadow:0 0 22px rgba(255,45,120,.45)}
.ghost{
  cursor:pointer;font-family:var(--mono);font-size:11px;letter-spacing:.2em;
  background:transparent;color:var(--dim);border:1px solid var(--line);
  padding:10px;border-radius:8px;transition:.15s;
}
.ghost:hover{color:var(--magenta);border-color:rgba(255,45,120,.4)}

/* ---------- stage ---------- */
.stage-wrap{padding:14px;min-height:520px;display:flex;flex-direction:column}
.stage-head{
  display:flex;justify-content:space-between;align-items:center;
  font-size:10px;letter-spacing:.25em;color:var(--dim);padding:0 2px 10px;
}
#cellRead{color:var(--magenta);letter-spacing:.1em}

#stage{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:34px repeat(7,1fr);
  gap:3px;
  flex:1;
  min-height:440px;
}
#stage .gutter{display:grid;place-items:center;font-family:var(--mono);font-size:9px;color:var(--dim)}
#stage .dayhead{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:9px;letter-spacing:.18em;color:var(--cyan);
  border-bottom:1px solid var(--line);padding-bottom:4px;
}
#stage .dayhead small{color:var(--dim);font-size:8px}
.cell{
  position:relative;
  border-radius:3px;
  border:1px solid rgba(255,255,255,.06);
  background:#0a0c13;
  cursor:crosshair;
  transition:transform .08s, background .4s, box-shadow .4s;
  min-height:12px;
}
.cell:hover{transform:scale(1.28);z-index:5;border-color:var(--cyan)}
.cell[data-lvl="1"]{
  background:linear-gradient(180deg, #ffb24d, var(--ember));
  box-shadow:0 0 8px rgba(255,159,28,.45), inset 0 0 6px rgba(255,255,255,.25);
}
.cell[data-lvl="2"]{
  background:linear-gradient(180deg, #ff5d93, var(--magenta));
  box-shadow:0 0 10px rgba(255,45,120,.6), inset 0 0 6px rgba(255,255,255,.25);
}
.cell[data-lvl="3"]{
  background:radial-gradient(120% 120% at 50% 40%, #fff, #cfefff);
  box-shadow:0 0 12px rgba(255,255,255,.9), 0 0 26px rgba(34,230,255,.55);
}
.cell.dousing{animation:douse .4s ease forwards}
@keyframes douse{0%{transform:scale(1)}60%{transform:scale(.7);filter:brightness(2)}100%{transform:scale(1)}}
.cell.ignited{animation:ignite .35s ease}
@keyframes ignite{0%{transform:scale(1)}40%{transform:scale(1.5)}100%{transform:scale(1)}}

.fx{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:4}

/* ---------- tooltip ---------- */
.tooltip{
  position:fixed;z-index:20;pointer-events:none;
  background:rgba(8,10,16,.94);border:1px solid var(--cyan);
  border-radius:8px;padding:10px 12px;min-width:160px;
  box-shadow:0 0 24px rgba(34,230,255,.25), 0 12px 40px rgba(0,0,0,.6);
}
.tt-head{font-size:10px;letter-spacing:.18em;color:var(--cyan);margin-bottom:6px}
.tt-row{display:flex;justify-content:space-between;font-size:11px;padding:1px 0}
.tt-row span{color:var(--dim);font-size:9px}
.tt-row b{color:var(--text)}
#ttTrail{width:108px;height:30px;margin-top:6px;display:block}

/* ---------- modal ---------- */
.modal{
  position:fixed;inset:0;z-index:30;display:grid;place-items:center;
  background:rgba(3,4,8,.8);backdrop-filter:blur(6px);
  padding:20px;
}
.modal[hidden],.tooltip[hidden]{display:none}
.modal-box{width:min(860px,100%);max-height:92vh;overflow:auto;padding:20px}
.modal-body{display:grid;gap:16px}
@media(min-width:900px){.modal-body{grid-template-columns:1fr 260px}}
#preview canvas{width:100%;height:auto;border:1px solid var(--line);border-radius:6px;background:#05060a}
#emberCode{
  font-size:9px;line-height:1.5;margin:0;color:var(--cyan);
  background:#05060a;border:1px solid var(--line);border-radius:6px;padding:10px;
  max-height:320px;overflow:auto;white-space:pre;
}
.modal-actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.modal-actions .action{width:auto;flex:1;min-width:150px}
.modal-actions .ghost{flex:0}

@media(max-width:560px){
  .layout{padding:12px}
  .rail{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .rail .brushes{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .rail .brushes .paneltitle{grid-column:1/-1}
  .rail .legend,.rail .stats{padding:12px}
  .rail .legend .lrow .dim,.rail .legend .lrow span:last-of-type{display:none}
  .rail .action{grid-column:1/2}
  .rail .ghost{grid-column:2/3}
  #stage{grid-template-columns:26px repeat(7,1fr);gap:2px;min-height:380px}
  #stage .gutter{font-size:8px}
  #stage .dayhead{font-size:8px}
  .brand .sub{letter-spacing:.14em}
  .clock{display:none}
  .mute{position:absolute;right:14px;top:16px}
}