*{margin:0;padding:0;box-sizing:border-box}
html,body{width:100%;height:100%;background:#1a1a1a;color:#fff;
  font-family:'Segoe UI',system-ui,sans-serif;overflow:hidden;user-select:none}

#shell{display:flex;flex-direction:column;width:100vw;height:100vh}

/* ── TOP BAR ── */
#topbar{display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;height:48px;background:#1b1b1b;border-bottom:1px solid #2a2a2a;
  flex-shrink:0;z-index:30}
.tb-left{display:flex;align-items:center;gap:12px}
.teams-logo{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:#ccc}
.teams-logo svg{width:20px;height:20px}
.tb-divider{width:1px;height:20px;background:#3a3a3a}
#meeting-title{font-size:13px;color:#ccc;font-weight:400}
.tb-right{display:flex;align-items:center;gap:16px}
#call-timer{font-size:13px;color:#aaa;font-variant-numeric:tabular-nums;letter-spacing:.5px;display:none}
.tb-icon-btn{background:none;border:none;cursor:pointer;color:#aaa;width:32px;height:32px;
  border-radius:4px;display:flex;align-items:center;justify-content:center;
  font-size:16px;transition:background .15s}
.tb-icon-btn:hover{background:#2d2d2d;color:#fff}

/* ── VIDEO AREA ── */
#video-area{flex:1;position:relative;
  background:
    radial-gradient(ellipse 32% 55% at 88% 14%, rgba(255,252,230,.55) 0%, transparent 100%),
    linear-gradient(168deg, #9aa4b0 0%, #b8a888 38%, #ccc0a8 100%);
  display:flex;align-items:center;justify-content:center;overflow:hidden}
#avatar-tile{position:relative;width:100%;height:100%;
  display:flex;align-items:center;justify-content:center}

/* Three.js canvas */
#three-canvas{
  width:100%!important;height:100%!important;
  display:block;opacity:0;transition:opacity .7s ease}
#three-canvas.visible{opacity:1}

/* ── LOADING SPINNER ── */
#loader{position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:16px;z-index:5;
  background:#141414;transition:opacity .5s}
#loader.hidden{opacity:0;pointer-events:none}
.ld-spinner{width:36px;height:36px;border:3px solid #2a2a2a;
  border-top-color:#6264A7;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.ld-text{font-size:13px;color:rgba(255,255,255,.35)}

/* ── NAME TAG ── */
#name-tag{position:absolute;bottom:18px;left:22px;
  display:none;align-items:center;gap:8px;z-index:10}
#name-tag-text{background:rgba(0,0,0,.65);backdrop-filter:blur(8px);
  padding:4px 10px;border-radius:4px;font-size:13px;font-weight:500;color:#fff}
#quality-dot{width:8px;height:8px;border-radius:50%;background:#22c55e}

/* ── SPEECH BUBBLE ── */
#speech-bubble{position:absolute;top:16px;left:50%;transform:translateX(-50%);
  background:rgba(0,0,0,.82);backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.08);border-radius:8px;
  padding:10px 18px;font-size:14px;color:#eee;max-width:86%;
  text-align:center;line-height:1.55;display:none;z-index:15;
  box-shadow:0 4px 24px rgba(0,0,0,.5)}

#user-text{position:absolute;bottom:62px;left:50%;transform:translateX(-50%);
  font-size:12px;color:rgba(255,255,255,.38);font-style:italic;
  max-width:80%;text-align:center;z-index:10;min-height:16px}
#state-pill{position:absolute;top:16px;right:16px;
  background:rgba(0,0,0,.55);backdrop-filter:blur(6px);
  border-radius:20px;padding:3px 10px;font-size:11px;
  color:rgba(255,255,255,.4);z-index:15}
#morph-debug{position:absolute;bottom:88px;left:10px;font-size:10px;
  color:rgba(255,220,60,.75);z-index:20;pointer-events:none;
  max-width:90%;word-break:break-all;line-height:1.5;font-family:monospace}

/* ── CALLING SCREEN ── */
#calling-screen{position:absolute;inset:0;background:#141414;
  display:none;flex-direction:column;align-items:center;justify-content:center;z-index:40}
#calling-screen.active{display:flex}
.cs-avatar-wrap{position:relative;width:120px;height:120px;margin-bottom:28px}
.cs-ring{position:absolute;border-radius:50%;
  border:2px solid rgba(98,100,167,.55);animation:csring 2s ease-out infinite}
.cs-ring:nth-child(1){inset:-18px;animation-delay:0s}
.cs-ring:nth-child(2){inset:-36px;animation-delay:.55s}
.cs-ring:nth-child(3){inset:-54px;animation-delay:1.1s}
@keyframes csring{0%{opacity:.75;transform:scale(.88)}100%{opacity:0;transform:scale(1.32)}}
.cs-avatar{width:120px;height:120px;border-radius:50%;
  background:linear-gradient(135deg,#3a3a50 0%,#6264A7 100%);
  display:flex;align-items:center;justify-content:center;
  font-size:48px;font-weight:700;color:#fff;
  box-shadow:0 0 0 4px #222,0 0 0 6px #6264A7;position:relative;z-index:2}
.cs-name{font-size:26px;font-weight:600;color:#fff;margin-bottom:8px}
.cs-status{font-size:14px;color:rgba(255,255,255,.45);margin-bottom:48px}
.cs-dots span{animation:csdot 1.2s infinite;display:inline-block}
.cs-dots span:nth-child(2){animation-delay:.2s}
.cs-dots span:nth-child(3){animation-delay:.4s}
@keyframes csdot{0%,80%,100%{opacity:.2}40%{opacity:1}}
.cs-buttons{display:flex;gap:48px}
.cs-btn{width:64px;height:64px;border-radius:50%;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:26px;
  transition:transform .1s,filter .15s;box-shadow:0 4px 16px rgba(0,0,0,.4)}
.cs-btn:active{transform:scale(.9)}
.cs-btn.decline{background:#C4314B}
.cs-btn:hover{filter:brightness(1.15)}
.cs-btn-label{font-size:12px;color:rgba(255,255,255,.5);margin-top:8px;text-align:center}

/* ── CONTROLS BAR ── */
#controls{display:flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 24px 16px;height:80px;background:#1b1b1b;
  border-top:1px solid #2a2a2a;flex-shrink:0;z-index:30}
.ctrl-btn{display:flex;flex-direction:column;align-items:center;gap:4px;
  background:none;border:none;cursor:pointer;padding:0 6px}
.ctrl-btn-icon{width:44px;height:44px;border-radius:8px;background:#2d2d2d;
  display:flex;align-items:center;justify-content:center;
  transition:background .15s;font-size:18px}
.ctrl-btn:hover .ctrl-btn-icon{background:#3a3a3a}
.ctrl-btn-label{font-size:10px;color:rgba(255,255,255,.4);white-space:nowrap}
.ctrl-spacer{flex:1;max-width:40px}
#end-btn{width:52px;height:52px;border-radius:50%;background:#C4314B;border:none;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:22px;transition:filter .15s,transform .1s;
  box-shadow:0 4px 14px rgba(196,49,75,.4)}
#end-btn:hover{filter:brightness(1.15)}
#end-btn:active{transform:scale(.9)}
#mic-vis{display:flex;align-items:flex-end;gap:2px;height:20px;padding:0 4px}
.mbar{width:4px;background:#6264A7;border-radius:2px;min-height:2px;transition:height .06s}