:root{--bg: #0f1220;--card: #1a1f33;--accent: #6c8cff;--accent-2: #00d4a0;--text: #e8ecf5;--muted: #97a0b8;--danger: #ff5d6c}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:radial-gradient(1200px 600px at 50% -10%,#232a45 0%,var(--bg) 60%);color:var(--text);min-height:100vh}.app{max-width:720px;margin:0 auto;padding:16px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 4px;margin-bottom:24px}.brand{font-weight:700;font-size:18px}.link{background:none;border:none;color:var(--muted);cursor:pointer}.content{display:flex;justify-content:center}.card{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:18px;padding:28px;width:100%;max-width:560px;box-shadow:0 20px 60px #00000059;display:flex;flex-direction:column;gap:14px}.card.center{align-items:center;text-align:center}h2{margin:0 0 6px}input{background:#11152a;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:13px 14px;color:var(--text);font-size:15px}input:focus{outline:2px solid var(--accent);border-color:transparent}button{background:var(--accent);color:#fff;border:none;border-radius:12px;padding:13px 16px;font-size:15px;font-weight:600;cursor:pointer;transition:transform .05s ease,opacity .2s}button:hover{opacity:.92}button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:not-allowed}button.danger{background:var(--danger)}.persona-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.persona{background:#11152a;border:1px solid rgba(255,255,255,.08);color:var(--text);text-align:left;display:flex;flex-direction:column;gap:4px;padding:14px;border-radius:14px}.persona span{color:var(--muted);font-size:12.5px;font-weight:400}.persona.active{border-color:var(--accent);box-shadow:0 0 0 2px #6c8cff59 inset}.call{align-items:center;text-align:center}.aiorb-wrap{position:relative;width:280px;height:300px;display:grid;place-items:center}.aiorb-core{position:relative;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle at 36% 30%,#b3a8ff,#6c8cff 42%,#00d4a0);transition:transform .08s linear,box-shadow .1s linear;overflow:hidden}.aiorb-swirl{position:absolute;top:-25%;right:-25%;bottom:-25%;left:-25%;background:conic-gradient(from 0deg,transparent,rgba(255,255,255,.5),transparent,rgba(0,212,160,.6),transparent);mix-blend-mode:screen;filter:blur(6px);animation:orb-spin 6s linear infinite}.aiorb-shine{position:absolute;top:16%;left:24%;width:38%;height:30%;background:radial-gradient(circle,rgba(255,255,255,.85),transparent 70%);border-radius:50%}.aiorb-ring{position:absolute;width:150px;height:150px;border-radius:50%;border:2px solid rgba(108,140,255,.5);opacity:0;animation:orb-pulse 2.6s ease-out infinite}.aiorb-ring.r2{animation-delay:.9s;border-color:#00d4a080}.aiorb-ring.r3{animation-delay:1.7s}.aiorb-wrap.speaking .aiorb-ring{animation-duration:1.6s;border-width:2.5px}.aiorb-particles{position:absolute;top:0;right:0;bottom:0;left:0;animation:orb-spin 16s linear infinite}.aiorb-particles span{position:absolute;top:50%;left:50%;width:7px;height:7px;border-radius:50%;background:radial-gradient(circle,#cfe4ff,#6c8cff);box-shadow:0 0 9px #6c8cffe6;transform:translate(-50%,-50%) rotate(calc(var(--i) * 60deg)) translate(100px)}.aiorb-name{position:absolute;bottom:6px;font-weight:700;font-size:15px;color:var(--text)}@keyframes orb-spin{to{transform:rotate(360deg)}}@keyframes orb-breathe{0%,to{transform:scale(1)}50%{transform:scale(1.04)}}@keyframes orb-pulse{0%{transform:scale(1);opacity:.55}to{transform:scale(1.75);opacity:0}}.avatar{display:flex;flex-direction:column;align-items:center;gap:6px;animation:avatar-idle 5s ease-in-out infinite;border-radius:50%;transition:filter .2s,transform .2s}.avatar svg{border-radius:50%;display:block}.avatar.speaking{filter:drop-shadow(0 0 24px rgba(0,212,160,.55));transform:scale(1.02)}.avatar-name{font-weight:700;color:var(--text);font-size:15px}.avatar3d{display:flex;flex-direction:column;align-items:center;gap:6px;transition:filter .2s,transform .2s}.avatar3d-canvas{width:260px;height:300px;border-radius:18px;background:radial-gradient(120px 140px at 50% 38%,#2a335a,#161a30 70%)}.avatar3d.speaking{filter:drop-shadow(0 0 26px rgba(0,212,160,.5));transform:scale(1.01)}@keyframes avatar-idle{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-4px) rotate(-.6deg)}}.orb{width:140px;height:140px;border-radius:50%;display:grid;place-items:center;font-size:52px;background:radial-gradient(circle at 50% 35%,#2a335a,#161a30);border:1px solid rgba(255,255,255,.1);transition:box-shadow .2s,transform .2s}.orb.speaking{box-shadow:0 0 0 8px #00d4a02e,0 0 60px #00d4a073;transform:scale(1.04)}.status{color:var(--muted)}.timer{font-size:40px;font-weight:800;letter-spacing:2px}.timer.warn{color:var(--danger)}.controls{display:flex;gap:12px}.error{color:var(--danger);margin:0}