@font-face{font-family:Graphik;src:url('./assets/Graphik-Regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:Graphik;src:url('./assets/Graphik-Medium.ttf') format('truetype');font-weight:500;font-display:swap}
@font-face{font-family:Graphik;src:url('./assets/Graphik-Semibold.ttf') format('truetype');font-weight:600;font-display:swap}
:root{color-scheme:dark;--bg:#0a1018;--panel:#0f172a;--ink:#f1f5f9;--muted:#94a3b8;--line:#243145;--accent:#5e97e6;--warn:#e0a458;--bad:#f0787d;--ok:#5fcf9a}
*{box-sizing:border-box}
html{scrollbar-width:none;-ms-overflow-style:none}
html::-webkit-scrollbar{display:none}
html,body{margin:0;overflow-x:clip}
:where(*){min-width:0}
:where(img,svg,video,canvas,iframe){max-width:100%}
body{font-family:Graphik,system-ui,sans-serif;font-size:14px;line-height:1.5;color:var(--ink);background:var(--bg)}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:1px solid var(--line);background:transparent;border-radius:8px;min-height:44px;transition:background .2s,transform .2s cubic-bezier(.16,1,.3,1)}
button:hover{background:#1b2a40}
button:active{transform:translateY(1px)}
button:focus-visible,input:focus-visible,select:focus-visible,#host:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

main{display:grid;grid-template-columns:minmax(0,1fr) 380px;min-height:100dvh}
.stage{position:relative;min-height:560px;overflow:hidden;background:#0b121c}
#host{position:absolute;inset:0;touch-action:none}
#host>canvas{position:absolute;inset:0;z-index:1;display:block;width:100%;height:100%}
#host.is-interacting>canvas{pointer-events:none}
/* Direct method: the real iframe, placed in 3D by CSS, shows through a hole in the WebGL picture. */
.css-layer{position:absolute!important;inset:0;z-index:0}
.css-layer[hidden]{display:none}
.page-surface{background:#020409}
.page-surface iframe{width:100%;height:100%;border:0;display:block}
/* Capture method: the iframe sits flat under the opaque WebGL canvas; Element Capture records it. */
.wall-source{position:absolute;left:0;top:0;z-index:0;isolation:isolate;transform-style:flat;pointer-events:none;background:#020409}
.wall-source[hidden]{display:none}
.wall-source iframe{width:100%;height:100%;border:0;display:block}

.heading{position:absolute;left:32px;top:28px;z-index:2;pointer-events:none;max-width:min(520px,calc(100% - 64px));text-shadow:0 2px 16px #000}
.eyebrow{margin:0 0 10px;font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--muted)}
h1{margin:0;font-size:30px;line-height:1.15;font-weight:600;letter-spacing:-.03em}
.pill{position:absolute;right:24px;top:28px;z-index:2;display:flex;align-items:center;gap:10px;padding:9px 14px;border:1px solid #3b4e60;border-radius:30px;background:#0c1523e6;font-size:12.5px;max-width:calc(100% - 48px)}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--muted);flex:none}
.pill[data-state=live] i{background:var(--ok)}
.pill[data-state=wait] i{background:var(--warn)}
.pill[data-state=bad] i{background:var(--bad)}
.hint{position:absolute;left:32px;bottom:26px;z-index:2;margin:0;font-size:12.5px;color:#adbbcb;text-shadow:0 2px 6px #000;pointer-events:none}
.leave{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);z-index:3;padding:0 20px;background:var(--accent);border-color:var(--accent);color:#06101c;font-weight:600}
.leave:hover{background:#7aaaf0}
.leave:active{transform:translateX(-50%) translateY(1px)}
.leave[hidden]{display:none}

aside{padding:30px 28px 40px;background:var(--panel);border-left:1px solid var(--line);overflow:auto;scrollbar-width:none;max-height:100dvh}
aside::-webkit-scrollbar{display:none}
.segmented{display:grid;gap:8px}
.segmented button{display:grid;gap:3px;text-align:left;padding:10px 14px}
.segmented strong{font-size:14px;font-weight:600}
.segmented small{font-size:12.5px;color:var(--muted)}
.segmented button[aria-pressed=true]{background:#16335c;border-color:var(--accent)}
.explain{margin:14px 0 22px;font-size:13px;line-height:1.6;color:#b9c6d6}
.explain.is-warn{color:var(--warn)}
.field{display:grid;gap:8px;margin:0 0 18px}
.field label{display:flex;justify-content:space-between;gap:12px;font-size:13px;font-weight:500}
output{color:var(--accent);font-variant-numeric:tabular-nums;font-weight:400}
input[type=range]{width:100%;accent-color:var(--accent);height:28px;margin:0;cursor:pointer}
.range-labels{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:-4px}
input[type=url],select{width:100%;min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:#0c1523}
.help{margin:0;font-size:12.5px;line-height:1.55;color:var(--muted)}
.help.is-warn{color:var(--warn)}
.presets{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px}
.presets button{font-size:13px}
.presets button[aria-pressed=true]{background:#16335c;border-color:var(--accent)}
.rule{height:1px;background:var(--line);margin:24px 0}
.state{margin:0 0 12px;font-size:13px;line-height:1.6;color:#b9c6d6}
.state.is-bad{color:var(--bad)}
.state.is-ok{color:var(--ok)}
.primary{width:100%;background:var(--accent);border-color:var(--accent);color:#06101c;font-weight:600}
.primary:hover{background:#7aaaf0}
.primary:disabled{opacity:.45;cursor:default}
.primary[hidden],#capture-box[hidden],#direct-box[hidden]{display:none}
.readout{margin:24px 0 0;display:grid;border-top:1px solid var(--line)}
.readout div{display:grid;grid-template-columns:132px minmax(0,1fr);gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.readout dt{font-size:12.5px;color:var(--muted)}
.readout dd{margin:0;font-size:13px;font-variant-numeric:tabular-nums}
.note{margin-top:24px}
.note strong{font-size:13px;font-weight:600}
.note p{margin:6px 0 0;font-size:12.5px;line-height:1.6;color:var(--muted)}

@media(max-width:900px){
  main{grid-template-columns:1fr}
  .stage{height:62svh;min-height:420px}
  aside{border-left:0;border-top:1px solid var(--line);max-height:none;padding:26px 20px 36px}
  .heading{left:20px;top:18px}
  h1{font-size:22px}
  .pill{top:auto;bottom:52px;left:20px;right:auto}
  .hint{left:20px;bottom:18px}
}