:root{
  --bg:#0a0d0c; --panel:rgba(18,22,20,.82); --line:#1f2a25;
  --ink:#d7e4dc; --dim:#6f8278; --accent:#76e36b; --accent-dim:#2f5a2c;
  --warn:#e3b86b;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);
  font-family:'Azeret Mono',ui-monospace,Menlo,Consolas,monospace;overflow:hidden}
#app{position:fixed;inset:0}
canvas{display:block}
#viser{position:fixed;inset:0;width:100%;height:100%;border:0;z-index:0;
  background:var(--bg)}

.hud{position:fixed;pointer-events:none;z-index:5}
.hud *{pointer-events:auto}

/* top-left title */
#brand{top:18px;left:20px}
#brand h1{margin:0;font-size:13px;letter-spacing:.32em;font-weight:700;
  text-transform:uppercase}
#brand h1 b{color:var(--accent)}
#brand p{margin:3px 0 0;font-size:10.5px;color:var(--dim);letter-spacing:.18em}

/* top-center prompt / generation panel */
#gen{top:18px;left:50%;transform:translateX(-50%);
  background:var(--panel);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:14px;padding:10px 12px;
  display:flex;align-items:center;gap:10px;width:min(640px,84vw);
  box-shadow:0 18px 50px -20px #000}
#prompt{flex:1;font-family:inherit;background:#0f140f;color:var(--ink);
  border:1px solid var(--line);border-radius:9px;padding:9px 11px;
  font-size:12px;letter-spacing:.03em;outline:none}
#prompt:focus{border-color:var(--accent-dim)}
#prompt::placeholder{color:var(--dim)}
#dur{width:58px;font-family:inherit;background:#0f140f;color:var(--ink);
  border:1px solid var(--line);border-radius:9px;padding:9px 8px;font-size:12px;
  text-align:center;outline:none}
#dur:focus{border-color:var(--accent-dim)}
#genBtn{min-width:96px}
#genBtn.busy{opacity:.6;cursor:progress}

/* voice (continuous mic) toggle */
#micBtn{display:flex;align-items:center;gap:7px;min-width:88px;justify-content:center}
#micBtn[hidden]{display:none}
#micBtn .dot{width:8px;height:8px;border-radius:50%;background:var(--dim);
  transition:.15s}
#micBtn.on{border-color:var(--accent);color:var(--accent)}
#micBtn.on .dot{background:#e3705e;animation:pulse 1.1s ease-in-out infinite}
#micBtn.live .dot{background:var(--accent);box-shadow:0 0 8px var(--accent)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
/* webcam toggles: "Camera" (describe) and "Imitate" (pose-following) */
#camBtn,#followBtn{display:flex;align-items:center;gap:7px;min-width:92px;justify-content:center}
#camBtn[hidden],#followBtn[hidden]{display:none}
#camBtn .dot,#followBtn .dot{width:8px;height:8px;border-radius:50%;background:var(--dim);
  transition:.15s}
#camBtn.on,#followBtn.on{border-color:var(--accent);color:var(--accent)}
#camBtn.on .dot,#followBtn.on .dot{background:#e3705e;animation:pulse 1.1s ease-in-out infinite}
#camBtn.live .dot,#followBtn.live .dot{background:var(--accent);box-shadow:0 0 8px var(--accent)}

#genStatus{position:absolute;left:0;top:100%;margin-top:8px;width:100%;
  text-align:center;font-size:10.5px;letter-spacing:.06em;color:var(--dim);
  pointer-events:none}
#genStatus.err{color:var(--warn)}

/* corner webcam preview overlay */
#cam{position:fixed;right:20px;bottom:20px;z-index:15;width:240px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  background:#000;box-shadow:0 18px 50px -20px #000}
#cam[hidden]{display:none}
#cam video{display:block;width:100%;height:auto;transform:scaleX(-1);
  background:#000}
#camLabel{position:absolute;left:8px;top:8px;display:flex;align-items:center;
  gap:6px;padding:4px 8px;border-radius:7px;background:rgba(8,12,10,.66);
  backdrop-filter:blur(6px);font-size:9.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink)}
#camLabel .dot{width:7px;height:7px;border-radius:50%;background:var(--dim)}
#cam.live #camLabel .dot{background:var(--accent);
  box-shadow:0 0 8px var(--accent);animation:pulse 1.1s ease-in-out infinite}

/* holistic (MediaPipe) overlay preview, left of the webcam preview */
#camHolistic{position:fixed;right:280px;bottom:20px;z-index:15;width:240px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  background:#000;box-shadow:0 18px 50px -20px #000}
#camHolistic[hidden]{display:none}
#camHolistic canvas{display:block;width:100%;height:auto;transform:scaleX(-1);
  background:#000}
#holisticLabel{position:absolute;left:8px;top:8px;display:flex;align-items:center;
  gap:6px;padding:4px 8px;border-radius:7px;background:rgba(8,12,10,.66);
  backdrop-filter:blur(6px);font-size:9.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink)}
#holisticLabel .dot{width:7px;height:7px;border-radius:50%;background:var(--dim)}
#camHolistic.live #holisticLabel .dot{background:var(--accent);
  box-shadow:0 0 8px var(--accent);animation:pulse 1.1s ease-in-out infinite}

button{font-family:inherit;color:var(--ink);background:#141a17;
  border:1px solid var(--line);border-radius:9px;padding:8px 12px;
  font-size:11px;letter-spacing:.08em;cursor:pointer;transition:.15s}
button:hover{border-color:var(--accent-dim);color:var(--accent)}
button.play{background:var(--accent);color:#06160a;border-color:var(--accent);
  font-weight:700;min-width:74px}
button.play:hover{filter:brightness(1.08);color:#06160a}
button.accent{background:var(--accent);color:#06160a;border-color:var(--accent);
  font-weight:700}
button.accent:hover{filter:brightness(1.08);color:#06160a}

/* bottom control bar */
#bar{left:50%;transform:translateX(-50%);bottom:20px;
  background:var(--panel);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:14px;padding:12px 16px;
  display:flex;align-items:center;gap:14px;min-width:min(720px,92vw);
  box-shadow:0 18px 50px -20px #000}
#scrub{flex:1;accent-color:var(--accent);height:4px;cursor:pointer}
.read{font-size:11px;color:var(--dim);white-space:nowrap;letter-spacing:.06em}
.read b{color:var(--ink);font-weight:500}

/* right settings rail */
#rail{top:18px;right:20px;background:var(--panel);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:14px;padding:10px;width:212px;
  display:flex;flex-direction:column;gap:11px;box-shadow:0 18px 50px -20px #000}
.row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.lab{font-size:10.5px;color:var(--dim);letter-spacing:.1em;text-transform:uppercase}
.seg{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{border:0;border-radius:0;padding:6px 10px;font-size:10px}
.seg button.on{background:var(--accent-dim);color:var(--accent)}
.chk{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--ink);
  cursor:pointer;letter-spacing:.04em}
.chk input{accent-color:var(--accent);width:14px;height:14px}
select{font-family:inherit;background:#141a17;color:var(--ink);
  border:1px solid var(--line);border-radius:8px;padding:6px 8px;font-size:11px}
.hr{height:1px;background:var(--line);margin:2px 0}
#loadBtn{width:100%;text-align:center;border-style:dashed;
  border-color:var(--accent-dim);color:var(--accent)}
#fileName{font-size:10px;color:var(--dim);word-break:break-all;line-height:1.4}

/* drop overlay */
#drop{position:fixed;inset:0;z-index:30;display:none;align-items:center;
  justify-content:center;background:rgba(8,12,10,.86);
  border:2px dashed var(--accent);}
#drop.show{display:flex}
#drop div{font-size:14px;letter-spacing:.2em;color:var(--accent);text-transform:uppercase}

/* bottom-left camera description (full text, wraps) */
#camDesc{position:fixed;left:20px;bottom:20px;z-index:12;max-width:min(720px,calc(100vw - 300px));
  background:var(--panel);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:12px;padding:10px 14px;
  font-size:11px;line-height:1.55;letter-spacing:.03em;color:var(--ink);
  box-shadow:0 18px 50px -20px #000;pointer-events:auto;
  max-height:min(30vh,220px);overflow-y:auto;word-break:break-word}
#camDesc[hidden]{display:none}
#camDesc .tag{color:var(--accent);font-weight:500;white-space:nowrap}

#voiceStatus{position:fixed;bottom:20px;right:20px;z-index:15;
  display:flex;align-items:center;gap:7px;
  background:var(--panel);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:10px;padding:7px 12px;
  font-size:11px;letter-spacing:.1em;color:var(--accent);pointer-events:none}
#voiceStatus[hidden]{display:none}
#voiceStatus .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 6px var(--accent);animation:pulse 1.8s ease-in-out infinite}

#toast{position:fixed;bottom:88px;left:50%;transform:translateX(-50%);z-index:20;
  background:#1a120a;border:1px solid var(--warn);color:var(--warn);
  padding:9px 14px;border-radius:10px;font-size:11px;letter-spacing:.05em;
  display:none}

/* small, non-blocking generation indicator (does not cover the canvas) */
#busy{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);z-index:40;
  display:none;align-items:center;gap:10px;pointer-events:none;
  background:var(--panel);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:10px;padding:8px 14px;
  box-shadow:0 18px 50px -20px #000}
#busy.show{display:inline-flex}
#busy .spin{width:16px;height:16px;border:2px solid var(--line);
  border-top-color:var(--accent);border-radius:50%;animation:spin 0.9s linear infinite}
#busy .msg{font-size:11px;letter-spacing:.14em;color:var(--accent);
  text-transform:uppercase}
@keyframes spin{to{transform:rotate(360deg)}}
#subtitle {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 16;
  width: fit-content;
  max-width: min(900px, 92vw);
  background: #000;
  border-radius: 10px;
  padding: 10px 18px;
  text-align: center;
  font-size: 16px;
  line-height: 1.5;
  color: #fff;
  pointer-events: none;
  max-height: 4.2em;
  overflow: hidden;
}

/* ── Mobile / tablet adjustments (≤768 px) ───────────────────────────────────
   Laptop styles are untouched — this block only overrides on small screens.   */
@media (max-width: 768px) {
  /* Camera preview: 160px on mobile */
  #cam { width: 160px; }
  /* Holistic canvas mirrors the camera size and stays left of it */
  #camHolistic { width: 160px; right: 190px; }

  /* Gen box: left-aligned on mobile instead of centered */
  #gen { left: 20px; transform: none; }

  /* Subtitle: left-aligned, bigger text, wider box but same height, clears cam */
  #subtitle {
    left: 20px;
    transform: none;
    font-size: 16px;
    max-height: 7.5em;
    padding: 10px 16px;
    max-width: calc(100vw - 200px);
  }
}