@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@600;800&family=Space+Grotesk:wght@400;600;700&family=IBM+Plex+Mono:wght@400;600&display=swap');

/* Copper Kite — japanese-cyberpunk. 3 colors + black/white only:
   copper #E0803A · teal #27E0C8 · neon #FF2D55 · ink #0B0B10 · paper #F5F1E8 */
:root{
  --ink:#0B0B10;
  --paper:#F5F1E8;
  --copper:#E0803A;
  --teal:#27E0C8;
  --neon:#FF2D55;
  --line:rgba(245,241,232,.16);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:"Space Grotesk",system-ui,sans-serif;
  min-height:100vh;
  overflow-x:hidden;
  background-image:
    linear-gradient(rgba(245,241,232,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(245,241,232,.045) 1px,transparent 1px);
  background-size:44px 44px;
}
.grain{position:fixed;inset:0;pointer-events:none;z-index:5;opacity:.10;
  background-image:repeating-linear-gradient(0deg,rgba(245,241,232,.5) 0 1px,transparent 1px 3px);}
::selection{background:var(--copper);color:var(--ink)}

.topbar{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  padding:12px 18px;border-bottom:2px solid var(--copper);
  background:linear-gradient(180deg,rgba(224,128,58,.14),transparent);
  position:sticky;top:0;z-index:10;backdrop-filter:blur(6px);
}
.brand{display:flex;align-items:center;gap:12px}
.kanji{
  font-family:"Shippori Mincho",serif;font-weight:800;font-size:30px;line-height:1;
  background:var(--copper);color:var(--ink);padding:6px 10px;border-radius:4px;
  box-shadow:0 0 18px rgba(224,128,58,.55);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{letter-spacing:.22em;font-size:15px}
.brand-text em{font-family:"IBM Plex Mono",monospace;font-style:normal;font-size:11px;opacity:.75;color:var(--teal)}
.hud{display:flex;gap:8px;flex-wrap:wrap}
.hud-item{border:1px solid var(--line);border-radius:8px;padding:6px 10px;min-width:86px;background:rgba(0,0,0,.45)}
.hud-item label{display:block;font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.18em;opacity:.7}
.hud-item b{font-family:"IBM Plex Mono",monospace;font-size:14px;color:var(--teal)}
.hud-item:nth-child(3) b{color:var(--neon)}
.hud-item:nth-child(4) b{color:var(--copper)}

.layout{
  display:grid;grid-template-columns:minmax(0,1.65fr) minmax(280px,1fr);gap:18px;
  padding:18px;max-width:1200px;margin:0 auto;align-items:start;
}
.stage-wrap{min-width:0}
.stage-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.pill{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.2em;
  border:1px solid var(--neon);color:var(--neon);border-radius:999px;padding:4px 12px;
  box-shadow:0 0 12px rgba(255,45,85,.4),inset 0 0 12px rgba(255,45,85,.15)}
.hint{font-family:"IBM Plex Mono",monospace;font-size:11px;opacity:.65}
.hint kbd{border:1px solid var(--line);border-radius:4px;padding:0 5px;font-family:inherit;background:rgba(255,255,255,.06)}
#sky{
  width:100%;height:auto;aspect-ratio:8/5;display:block;border-radius:14px;
  border:1px solid rgba(224,128,58,.6);
  box-shadow:0 0 0 1px rgba(0,0,0,.6),0 0 34px rgba(224,128,58,.22);
  background:#0B0B10;touch-action:none;cursor:crosshair;
}
.ticker{display:flex;align-items:center;gap:8px;margin-top:10px;border:1px dashed rgba(39,224,200,.55);
  border-radius:10px;padding:8px 10px;background:rgba(0,0,0,.5)}
.ticker-label{font-family:"Shippori Mincho",serif;color:var(--teal);font-size:14px;white-space:nowrap}
.ticker-view{flex:1;overflow:hidden;white-space:nowrap;font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--paper)}
#tickerText{display:inline-block;animation:tick 14s linear infinite}
@keyframes tick{from{transform:translateX(8%)}to{transform:translateX(-42%)}}
.mini-btn{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.12em;
  background:transparent;color:var(--teal);border:1px solid var(--teal);border-radius:6px;padding:6px 10px;cursor:pointer}
.mini-btn:hover{background:var(--teal);color:var(--ink)}
.mini-btn:active{transform:translateY(1px)}

.panel h1{font-family:"Shippori Mincho",serif;font-size:clamp(28px,4vw,44px);line-height:1.05;margin:.2em 0 .4em}
.panel h1 span{color:var(--copper);text-shadow:0 0 22px rgba(224,128,58,.6)}
.lede{opacity:.85;margin:0 0 14px;font-size:15px}
.lede b{color:var(--teal)}
.controls{border:1px solid var(--line);border-radius:12px;padding:12px;background:rgba(255,255,255,.03)}
.ctl{margin-bottom:10px}
.ctl label{display:flex;justify-content:space-between;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.08em;margin-bottom:4px}
.ctl output{color:var(--copper)}
input[type=range]{width:100%;accent-color:var(--copper);cursor:pointer}
.btnrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.gust{
  font-family:"IBM Plex Mono",monospace;font-weight:600;letter-spacing:.1em;font-size:13px;
  background:var(--neon);color:var(--ink);border:none;border-radius:8px;padding:10px 16px;cursor:pointer;
  box-shadow:0 0 18px rgba(255,45,85,.55);transition:transform .08s ease, box-shadow .2s;
}
.gust:hover{box-shadow:0 0 26px rgba(255,45,85,.85)}
.gust:active{transform:scale(.96)}
.ghost{font-family:"IBM Plex Mono",monospace;font-size:12px;background:transparent;color:var(--paper);
  border:1px solid var(--line);border-radius:8px;padding:10px 12px;cursor:pointer}
.ghost:hover{border-color:var(--teal);color:var(--teal)}
.ghost[aria-pressed="true"]{border-color:var(--teal);color:var(--teal)}

.panel h2{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.22em;margin:18px 0 8px;color:var(--teal)}
.panel h2 span{opacity:.6}
.log{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;max-height:300px;overflow:auto}
.log li{border-left:3px solid var(--copper);background:rgba(255,255,255,.04);border-radius:0 8px 8px 0;
  padding:8px 10px;font-family:"IBM Plex Mono",monospace;font-size:12.5px}
.log li .kana{color:var(--copper);font-size:16px;margin-right:8px}
.log li .code{color:var(--teal)}
.log li time{opacity:.55;font-size:11px;display:block}
.log li.gust-flash{border-left-color:var(--neon);animation:flash 1s ease}
@keyframes flash{0%{background:rgba(255,45,85,.3)}100%{background:rgba(255,255,255,.04)}}
.foot{font-family:"IBM Plex Mono",monospace;font-size:11px;opacity:.6}
.vert{
  position:fixed;right:6px;top:50%;transform:translateY(-50%) rotate(180deg);writing-mode:vertical-rl;
  font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.3em;opacity:.4;z-index:6;
}
@media (max-width:860px){
  .layout{grid-template-columns:1fr;padding:12px}
  .vert{display:none}
  .topbar{position:static}
}
@media (max-width:420px){
  .hud-item{min-width:0;flex:1;padding:5px 7px}
  .hud-item b{font-size:12px}
  .kanji{font-size:24px}
}
@media (prefers-reduced-motion:reduce){
  #tickerText{animation:none}
}