:root{
  color-scheme:dark;
  --bg:#121614;--panel:#191d1a;--panel-2:#1e231c;--line:#343a32;
  --muted:#8e998a;--text:#e6eadf;--accent:#deec95;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;min-height:100svh;display:flex;flex-direction:column}
button,a,input{-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}

/* Top bar */
.topbar{height:72px;padding:0 34px;display:flex;align-items:center;gap:24px;border-bottom:1px solid var(--line);flex-shrink:0}
.brand{text-decoration:none;color:var(--text);font-size:23px;letter-spacing:3px;font-weight:700;display:flex;align-items:center;gap:12px}
.brand-icon{font-size:30px;color:var(--accent)}
.edition{font:12px var(--mono);letter-spacing:1px;color:var(--muted);margin-left:16px;font-weight:400}
.top-note{font-size:14px;color:var(--muted);margin-left:auto}
.plain{background:none;border:0;color:#a8b29f;font-size:14px;padding:10px}
.plain:hover{color:var(--accent)}

/* Layout: full-width stage on top, console deck below */
main{flex:1;display:flex;flex-direction:column;min-height:0}

/* Stage */
.stage{position:relative;flex:1;min-height:440px;overflow:hidden;background:radial-gradient(ellipse at 50% 52%,#30382b 0%,#1b211a 43%,#141915 78%)}
.stage-title{position:absolute;top:26px;left:34px;z-index:1;pointer-events:none}
.eyebrow{font:12px var(--mono);letter-spacing:1.4px;color:var(--muted)}
h1{font-size:25px;font-weight:500;letter-spacing:1.5px;margin:12px 0 0}
h1 span{font:13px var(--mono);color:#697561;letter-spacing:1px}
.live{position:absolute;top:30px;right:34px;display:flex;gap:8px;align-items:center;font-size:12px;color:#bdc5ad;padding:7px 12px;border:1px solid #3a4234;border-radius:999px;background:#141a1499;backdrop-filter:blur(4px)}
.live i{width:6px;height:6px;background:var(--accent);border-radius:50%;box-shadow:0 0 10px #deec9566}
#core{width:100%;height:100%;position:absolute;inset:0;touch-action:none;cursor:grab}
#core:active{cursor:grabbing}
.axis{position:absolute;bottom:56px;left:34px;font:12px var(--mono);letter-spacing:1.5px;color:#737e6c;pointer-events:none}
.stage-bottom{position:absolute;bottom:14px;left:34px;right:28px;display:flex;align-items:center;justify-content:space-between;color:#839078;font-size:12px}
.scale{position:absolute;right:34px;bottom:70px;display:grid;grid-template-columns:auto auto;column-gap:10px;row-gap:8px;font-size:12px;color:#99a58d;pointer-events:none}
.scale-label{grid-column:1/3;text-align:right}
.scale-bar{background:linear-gradient(#eff7b4,#a99c5e,#454c3c);width:5px;height:72px;justify-self:end}
.scale-ends{display:flex;flex-direction:column;justify-content:space-between}

/* Console deck */
.deck{background:var(--panel);border-top:1px solid var(--line);padding:16px 34px 20px;flex-shrink:0}
.deck-head{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:14px}
.deck-title{font-size:15px;font-weight:600;letter-spacing:1px;text-transform:uppercase}
.message{font-size:12px;color:#8f9a85;line-height:1.5;text-align:right}
.deck-grid{display:grid;grid-template-columns:1fr 1.15fr 1fr 1fr;gap:0}
.module{padding:0 26px;border-left:1px solid var(--line);min-width:0}
.module:first-child{padding-left:0;border-left:0}
.module:last-child{padding-right:0}
.caption{display:block;color:var(--muted);font:12px var(--mono);letter-spacing:1px;margin-bottom:14px}

/* Input */
.source-tabs{display:flex;gap:6px;padding:4px;background:#101510;border:1px solid #31392d;border-radius:6px}
.source-tabs button{flex:1;background:transparent;border:0;border-radius:4px;font-size:14px;padding:9px 0;color:var(--muted)}
.source-tabs button.selected{background:#3c4432;color:#e4edc8}
.upload{background:#20261d;border:1px dashed #535d44;border-radius:6px;width:100%;margin-top:12px;padding:12px 14px;display:grid;grid-template-columns:25px 1fr;text-align:left;gap:4px 10px}
.upload>span{grid-row:1/3;font-size:25px;align-self:center;color:var(--accent)}
.upload strong{font-size:14px;font-weight:400}
.upload small{font:11px var(--mono);color:#85917b}
.upload:hover{border-color:var(--accent);background:#2a3222}

/* Transport */
.track{display:flex;align-items:center;gap:12px;min-width:0}
.track-icon{font-size:28px;color:var(--accent)}
.track>div{flex:1;min-width:0}
.track strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:12px var(--mono)}
.track small{display:block;color:var(--muted);font-size:12px;margin-top:5px}
#play{width:42px;height:42px;border:0;background:var(--accent);color:#202617;flex-shrink:0;border-radius:50%;font-size:15px}
#play:hover{filter:brightness(1.08)}
.timeline>div{display:flex;justify-content:space-between;font:11px var(--mono);color:var(--muted);margin-top:4px}
input[type=range]{width:100%;accent-color:var(--accent);height:4px;display:block;margin:12px 0;cursor:pointer}
input[type=range]:disabled{cursor:default;opacity:.5}
.slider-title{display:flex;align-items:center;justify-content:space-between;font-size:14px;margin-top:14px}
.slider-title:first-of-type{margin-top:0}
.slider-title output{font:13px var(--mono);color:var(--accent)}
.volume-row{margin-top:8px}
.subtle{font-size:12px;color:var(--muted)}
.bands{margin-top:12px}
.legend{display:flex;justify-content:space-between;margin-top:10px;font-size:12px;color:#b4bcaa}
.legend i{display:inline-block;height:7px;width:7px;margin-right:7px}
.low{background:#e6ba76}.mid{background:#c5d185}.high{background:#99b4a9}

/* Readings */
.meters{display:flex;gap:32px}
.meters>div>span{font-size:12px;color:var(--muted)}
.meters strong{display:block;font:24px var(--mono);margin:8px 0 12px}
.meters small{font:11px var(--mono);color:var(--muted);margin-left:5px}
#spectrum{width:100%;height:44px;display:block}

/* Footer */
footer{border-top:1px solid var(--line);min-height:44px;display:flex;align-items:center;justify-content:space-between;padding:10px 34px;font:11px var(--mono);color:#87917e;gap:15px;flex-shrink:0}
footer b{color:var(--accent);margin-right:8px}
footer span:nth-child(2){font:12px var(--font)}

/* Large screens: taller stage */
@media(min-height:900px){.stage{min-height:540px}}

/* Tablet: deck becomes 2 x 2 */
@media(max-width:1100px){
  .edition{display:none}
  .deck-grid{grid-template-columns:1fr 1fr;row-gap:24px}
  .module:nth-child(odd){padding-left:0;border-left:0}
  .module:nth-child(even){padding-right:0}
  .module:nth-child(n+3){padding-top:22px;border-top:1px solid var(--line)}
  .module:nth-child(3){padding-right:26px}
  .module:nth-child(4){padding-left:26px}
  .module:nth-child(3){border-left:0}
}

/* Phone: single column */
@media(max-width:700px){
  .topbar{height:60px;padding:0 20px}
  .brand{font-size:19px}
  .top-note{display:none}
  .topbar>.plain{margin-left:auto}
  .stage{min-height:0;height:62svh;flex:none}
  .stage-title{top:20px;left:20px}
  h1{font-size:21px}
  .live{top:auto;bottom:50px;right:auto;left:20px}
  .axis{display:none}
  .stage-bottom{left:20px;right:12px}
  .scale{right:20px;bottom:56px}
  .desktop{display:none}
  .deck{padding:16px 20px 22px}
  .deck-head{flex-direction:column;align-items:flex-start;gap:6px}
  .message{text-align:left}
  .deck-grid{grid-template-columns:1fr;row-gap:0}
  .module,.module:nth-child(n){padding:22px 0;border-left:0;border-top:1px solid var(--line)}
  .module:first-child{border-top:0;padding-top:6px}
  .module:last-child{padding-bottom:0}
  footer{padding:16px 20px;flex-wrap:wrap}
  footer span:last-child{display:none}
}