@import url('https://fonts.googleapis.com/css2?family=Cinzel+Decorative:wght@700;900&family=Special+Elite&family=IM+Fell+English:ital@0;1&display=swap');

/* REVERB REEF — palette law: 3 colors + black/white only.
   --brass (gold), --teal (verdigris), --rust (oxide red).
   Everything else is black/white at varied opacity. */
:root{
  --brass:#c9a227;
  --teal:#2f9e8f;
  --rust:#b5542d;
  --ink:#14100b;
  --parch:#f6eed6;
  --brass-dim:rgba(201,162,39,.35);
  --brass-faint:rgba(201,162,39,.14);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;color:var(--parch);background:var(--ink);
  font-family:'IM Fell English',Georgia,serif;
  background-image:
    radial-gradient(ellipse 80% 30% at 50% -6%, rgba(201,162,39,.20), transparent 70%),
    radial-gradient(ellipse 90% 40% at 50% 108%, rgba(47,158,143,.14), transparent 70%),
    repeating-linear-gradient(90deg, rgba(246,238,214,.028) 0 2px, transparent 2px 56px),
    repeating-linear-gradient(0deg, rgba(246,238,214,.022) 0 2px, transparent 2px 56px);
  min-height:100vh;
}
.rivets{display:flex;justify-content:space-between;padding:10px 18px;background:linear-gradient(#14100b,#14100b);border-bottom:2px solid var(--brass)}
.rivets-bot{border-bottom:none;border-top:2px solid var(--brass)}
.rivets span{width:14px;height:14px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%, #fff8, transparent 45%), var(--brass);
  box-shadow:0 0 0 2px #000, 0 0 10px var(--brass-dim)}

.masthead{display:flex;gap:22px;align-items:stretch;justify-content:space-between;
  max-width:1060px;margin:26px auto 6px;padding:0 18px;flex-wrap:wrap}
.plaque{flex:1 1 420px;border:3px double var(--brass);border-radius:10px;padding:18px 22px 14px;
  background:linear-gradient(180deg, rgba(201,162,39,.12), rgba(0,0,0,.45));
  box-shadow:0 0 0 1px #000, 0 8px 40px rgba(0,0,0,.6), inset 0 0 60px rgba(201,162,39,.08);
  position:relative}
.plaque::before,.plaque::after{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:var(--brass);box-shadow:0 0 0 2px #000;top:8px}
.plaque::before{left:8px}.plaque::after{right:8px}
.kicker{font-family:'Special Elite',monospace;font-size:11px;letter-spacing:.18em;color:var(--brass);margin:0 0 6px}
h1{font-family:'Cinzel Decorative',serif;font-weight:900;font-size:clamp(38px,6vw,62px);line-height:.95;margin:0;color:var(--parch);text-shadow:0 2px 0 #000,0 0 26px rgba(201,162,39,.35)}
h1 em{font-style:normal;color:var(--brass)}
.sub{font-style:italic;opacity:.85;margin:8px 0 0;font-size:17px}
.boiler-gauges{display:flex;gap:14px;align-items:stretch}
.gauge{border:2px solid var(--brass);border-radius:10px;padding:10px 14px;text-align:center;background:#14100b;min-width:118px;box-shadow:inset 0 0 24px #000}
.gauge p{font-family:'Special Elite',monospace;font-size:11px;letter-spacing:.12em;margin:8px 0 0;color:var(--parch)}
.gauge b{color:var(--teal)}
.dial{width:74px;height:74px;margin:0 auto;border-radius:50%;position:relative;
  background:radial-gradient(circle at 50% 42%, #fff2, transparent 55%), conic-gradient(from 200deg, var(--rust), var(--brass), var(--teal), var(--rust));
  border:3px solid var(--brass);box-shadow:0 0 0 2px #000, inset 0 0 12px #000}
.needle{position:absolute;left:calc(50% - 2px);bottom:50%;width:4px;height:30px;background:var(--parch);border-radius:2px;transform-origin:50% 100%;transform:rotate(-60deg);transition:transform .25s;box-shadow:0 0 6px #000}
.pin{position:absolute;left:calc(50% - 7px);top:calc(50% - 7px);width:14px;height:14px;border-radius:50%;background:var(--ink);border:2px solid var(--brass)}
.dial-btn{cursor:pointer;font-size:22px;color:var(--rust)}
.dial-btn:hover{color:var(--parch)}
.secret-gauge p{color:var(--rust)}

#app{max-width:1060px;margin:0 auto;padding:14px 18px 8px;display:grid;gap:18px}
.panel{border:3px double var(--brass);border-radius:12px;padding:18px;background:linear-gradient(180deg, rgba(246,238,214,.045), rgba(0,0,0,.5));box-shadow:0 10px 34px rgba(0,0,0,.55)}
.panel-head h2{font-family:'Cinzel Decorative',serif;font-size:22px;margin:0;color:var(--parch)}
.panel-head .num{color:var(--brass)}
.panel-head p{margin:4px 0 12px;font-style:italic;opacity:.8}
.panel-head p b{color:var(--teal);font-style:normal}
.row{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;flex-wrap:wrap}

/* --- reef creatures --- */
.reef{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.creature{border:2px solid var(--brass);border-radius:12px;background:#14100b;padding:12px;text-align:center;cursor:pointer;position:relative;overflow:hidden;transition:transform .12s, box-shadow .2s;color:var(--parch);font-family:inherit}
.creature:hover{transform:translateY(-2px)}
.creature:active{transform:scale(.96)}
.creature svg{width:74px;height:74px;display:block;margin:2px auto 6px;filter:drop-shadow(0 0 8px var(--brass-dim))}
.creature h3{font-family:'Special Elite',monospace;font-size:13px;letter-spacing:.08em;margin:2px 0;color:var(--brass)}
.creature .latin{font-style:italic;font-size:12.5px;opacity:.7;margin:0}
.creature .glowdot{position:absolute;top:10px;right:10px;width:12px;height:12px;border-radius:50%;background:var(--teal);box-shadow:0 0 12px var(--teal);animation:pulse 2.2s infinite}
.creature.loop-on{box-shadow:0 0 0 2px var(--teal), 0 0 26px rgba(47,158,143,.5)}
.creature.loop-on .glowdot{background:var(--brass);box-shadow:0 0 12px var(--brass)}
.creature.hit{animation:hit .3s}
@keyframes hit{0%{box-shadow:0 0 0 4px var(--rust),0 0 30px var(--rust)}100%{}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.valve{margin-top:8px;display:flex;align-items:center;justify-content:center;gap:8px;font-family:'Special Elite',monospace;font-size:11px;letter-spacing:.1em}
.valve button{font-family:inherit;font-size:11px;letter-spacing:.1em;padding:5px 12px;border-radius:20px;border:2px solid var(--brass);background:transparent;color:var(--parch);cursor:pointer}
.valve button[aria-pressed="true"]{background:var(--teal);border-color:var(--teal);color:var(--ink);font-weight:bold}

/* --- sequencer --- */
.transport{display:flex;gap:8px;align-items:center}
.btn{font-family:'Special Elite',monospace;letter-spacing:.1em;border:2px solid var(--brass);background:linear-gradient(180deg,var(--brass),#14100b);color:var(--ink);border-radius:10px;padding:10px 16px;cursor:pointer;font-size:14px;box-shadow:0 3px 0 #000}
.btn:hover{filter:brightness(1.12)}
.btn:active{transform:translateY(2px);box-shadow:none}
.btn.ghost{background:transparent;color:var(--brass)}
.btn.big{font-size:15px}
.btn.recording{background:linear-gradient(180deg,var(--rust),#14100b);color:var(--parch);border-color:var(--rust)}
.moonbar{display:flex;align-items:center;gap:16px;margin:4px 0 12px;flex-wrap:wrap}
.moon{font-size:30px;color:var(--brass);display:inline-block;transition:transform .2s;text-shadow:0 0 14px var(--brass-dim)}
.moon-track{flex:1 1 160px;height:12px;border:2px solid var(--brass);border-radius:8px;overflow:hidden;background:#000;min-width:120px}
.moon-fill{height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--brass))}
.tempo{font-family:'Special Elite',monospace;font-size:12px;letter-spacing:.08em}
.tempo b{color:var(--teal)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:26px;background:transparent;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:8px;border-radius:5px;background:linear-gradient(90deg,var(--rust),var(--brass),var(--teal));border:1px solid #000}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;margin-top:-8px;border-radius:50%;background:radial-gradient(circle at 35% 30%, #fff9, transparent 50%),var(--brass);border:2px solid #000;box-shadow:0 0 10px var(--brass-dim)}
input[type=range]::-moz-range-track{height:8px;border-radius:5px;background:linear-gradient(90deg,var(--rust),var(--brass),var(--teal))}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--brass);border:2px solid #000}
.seq{display:grid;gap:6px}
.seq-row{display:grid;grid-template-columns:150px repeat(16,minmax(0,1fr));gap:4px;align-items:center}
.seq-name{font-family:'Special Elite',monospace;font-size:10.5px;letter-spacing:.06em;color:var(--brass);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.seq-name.off{opacity:.4}
.step{aspect-ratio:1;border:1.5px solid var(--brass-dim);border-radius:6px;background:#14100b;cursor:pointer;padding:0;min-width:0;position:relative}
.step:nth-child(4n+2 of .step){border-color:var(--brass)}
.step.on{background:radial-gradient(circle at 50% 40%, #fff6, transparent 55%),var(--teal);border-color:var(--teal);box-shadow:0 0 8px rgba(47,158,143,.7)}
.step.beat4{border-bottom:3px solid var(--rust)}
.step.now{outline:2px solid var(--parch);outline-offset:1px}
.step.on.now{background:radial-gradient(circle at 50% 40%, #fff9, transparent 55%),var(--brass);border-color:var(--parch)}
.hint{font-size:13px;font-style:italic;opacity:.65;margin:10px 0 0}

/* --- tentacles --- */
.tentacles{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:10px;align-items:stretch}
.tent{border:2px solid var(--brass);border-radius:12px;padding:16px 12px;text-align:center;background:#14100b}
.tent h3{font-family:'Special Elite',monospace;font-size:13px;letter-spacing:.12em;color:var(--brass);margin:10px 0 6px;line-height:1.4}
.tent .val{font-family:'Special Elite',monospace;font-size:12px;color:var(--teal);margin:6px 0 0}
.tent-dial{width:84px;height:84px;margin:0 auto;border-radius:50%;border:3px solid var(--brass);position:relative;
  background:conic-gradient(from -90deg, var(--teal) var(--fill,38%), #14100b var(--fill,38%));box-shadow:0 0 0 2px #000, inset 0 0 14px #000}
.tent-pointer{position:absolute;left:calc(50% - 2px);top:6px;width:4px;height:32px;background:var(--rust);border-radius:2px;transform-origin:50% 36px;box-shadow:0 0 6px #000}
.tent-pipe{width:14px;background:repeating-linear-gradient(0deg,var(--brass) 0 8px,#14100b 8px 12px);border-radius:8px;opacity:.7;min-height:100%}
.export-panel .btn.big{white-space:nowrap}
.status{font-family:'Special Elite',monospace;font-size:13px;color:var(--teal);border-top:1px dashed var(--brass-dim);padding-top:12px;min-height:2.2em}
.ticker{overflow:hidden;white-space:nowrap;border-top:2px solid var(--brass);border-bottom:2px solid var(--brass);margin-top:8px;font-family:'Special Elite',monospace;font-size:12px;letter-spacing:.14em;color:var(--brass)}
.ticker span{display:inline-block;padding:6px 0;animation:tick 22s linear infinite}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}

footer{text-align:center;padding:18px;font-size:13px;font-style:italic;opacity:.75}
footer .whisper{font-size:12px}
kbd{border:1px solid var(--brass);border-radius:4px;padding:0 5px;font-family:'Special Elite',monospace;color:var(--brass)}

/* kraken overlay */
.kraken{position:fixed;inset:0;display:none;place-items:center;background:rgba(0,0,0,.72);z-index:50;padding:20px}
.kraken.show{display:grid}
.kraken-card{border:3px double var(--rust);border-radius:14px;background:#14100b;padding:28px;text-align:center;max-width:420px;animation:shake .5s 2}
.kraken-card h2{font-family:'Cinzel Decorative',serif;color:var(--rust);margin:6px 0}
@keyframes shake{0%,100%{transform:rotate(0)}25%{transform:rotate(-2deg) translateX(-4px)}75%{transform:rotate(2deg) translateX(4px)}}
body.kraken-mode .reef{filter:hue-rotate(0) saturate(1.4)}
body.kraken-mode{background-image:radial-gradient(ellipse 80% 30% at 50% -6%, rgba(181,84,45,.35), transparent 70%),radial-gradient(ellipse 90% 40% at 50% 108%, rgba(47,158,143,.14), transparent 70%)}

@media (max-width:760px){
  .reef{grid-template-columns:repeat(2,1fr)}
  .seq-row{grid-template-columns:86px repeat(16,minmax(0,1fr))}
  .tentacles{grid-template-columns:1fr;gap:12px}
  .tent-pipe{display:none}
  .masthead{margin-top:16px}
}
@media (max-width:420px){
  .reef{grid-template-columns:1fr 1fr;gap:8px}
  .creature svg{width:56px;height:56px}
  .seq-row{grid-template-columns:64px repeat(16,minmax(0,1fr));gap:3px}
  .step{border-radius:4px}
  #app{padding:10px 10px 4px}
  .panel{padding:12px}
}
@media (prefers-reduced-motion:reduce){
  .creature .glowdot,.ticker span,.moon{animation:none}
}