:root{--bg:#0f172a;--surface:#1e293b;--surface2:#263348;--border:#334155;--border-light:#1e293b;--text:#f1f5f9;--text-2:#94a3b8;--text-3:#64748b;--brand:#3b82f6;--brand-dark:#2563eb;--accent:#0ea5e9;--green:#22c55e;--green-light:rgba(34,197,94,.15);--red:#ef4444;--av-bg:#0a0f1e;--r-sm:6px;--r-md:10px;--r-lg:16px}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
.app{min-height:100dvh;display:flex;flex-direction:column;background:var(--bg);max-width:860px;margin:0 auto;width:100%;overflow-x:hidden}
@media(max-width:860px){.app{max-width:100%;width:100vw}}
.main{display:flex;flex:1;min-height:0;overflow:hidden}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:58px;background:var(--surface);border-bottom:1px solid var(--border-light);position:sticky;top:0;z-index:100;flex-shrink:0}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:36px;height:36px;background:var(--brand);border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;font-weight:700}
.logo-name{font-size:17px;font-weight:700;color:var(--text);letter-spacing:-0.3px}
.logo-sub{font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:0.5px;text-transform:uppercase}
.conn-dot{width:9px;height:9px;border-radius:50%;background:var(--border)}
.conn-dot.connected{background:var(--green);box-shadow:0 0 0 3px var(--green-light)}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@keyframes spin{to{transform:rotate(360deg)}}
.fade-up{animation:fadeUp .4s ease both}
.email-screen{display:flex;flex:1;align-items:center;justify-content:center;padding:20px}
.intake-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:32px 28px;width:100%;max-width:440px}
.intake-icon{font-size:40px;margin-bottom:16px;text-align:center}
.intake-h1{font-size:22px;font-weight:700;margin-bottom:8px;text-align:center}
.intake-sub{color:var(--text-2);font-size:14px;text-align:center;margin-bottom:20px}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}
.feature-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.form-group{margin-bottom:14px}
.form-label{display:block;font-size:12px;font-weight:600;color:var(--text-3);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.inp{width:100%;padding:10px 12px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text);font-size:15px;outline:none;transition:border .15s}
.inp:focus{border-color:var(--brand)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:var(--r-sm);font-size:15px;font-weight:600;cursor:pointer;transition:all .15s;border:none}
.btn-primary{background:var(--brand);color:#fff;width:100%}
.btn-primary:hover:not(:disabled){background:var(--brand-dark)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed}
.btn-outline{background:transparent;color:var(--text-2);border:1px solid var(--border);padding:7px 14px;font-size:13px}
.btn-outline:hover{color:var(--text);border-color:var(--text-3)}
.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite}
.call-wrap{display:flex;flex-direction:column;flex:1;min-height:0}
.avatar-area{position:relative;background:var(--av-bg);aspect-ratio:16/9;width:100%;overflow:hidden;flex-shrink:0}
.avatar-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.unmute-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.72);backdrop-filter:blur(4px);cursor:pointer}
.unmute-btn{display:flex;flex-direction:column;align-items:center;gap:8px;color:#fff;text-align:center;padding:24px 32px;background:rgba(255,255,255,.08);border-radius:16px;border:1px solid rgba(255,255,255,.15)}
.unmute-btn:hover{background:rgba(255,255,255,.14)}
.connecting-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:rgba(10,15,30,.85);color:var(--text-2);font-size:14px}
.speaking-bar{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);display:flex;gap:3px;align-items:flex-end;height:24px}
.speaking-bar span{width:4px;background:var(--brand);border-radius:2px;animation:bar .6s ease-in-out infinite alternate}
.speaking-bar span:nth-child(2){animation-delay:.1s}
.speaking-bar span:nth-child(3){animation-delay:.2s;height:20px}
.speaking-bar span:nth-child(4){animation-delay:.3s}
.speaking-bar span:nth-child(5){animation-delay:.4s}
@keyframes bar{from{height:4px}to{height:22px}}
.caption-bar{padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--border-light);min-height:44px;display:flex;align-items:center}
.caption-text{font-size:14px;color:var(--text-2);font-style:italic;line-height:1.4}
.quiz-panel{padding:16px;background:var(--surface);border-top:1px solid var(--border-light)}
.quiz-question{font-size:15px;font-weight:600;margin-bottom:12px;line-height:1.4}
.quiz-options{display:flex;flex-direction:column;gap:8px}
.quiz-btn{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text);font-size:14px;text-align:left;cursor:pointer;transition:all .15s}
.quiz-btn:hover:not(:disabled){border-color:var(--brand);background:rgba(59,130,246,.1)}
.quiz-btn:disabled{cursor:default}
.quiz-btn.correct{border-color:var(--green);background:var(--green-light);color:#fff}
.quiz-btn.wrong{border-color:var(--red);background:rgba(239,68,68,.1)}
.quiz-letter{min-width:28px;height:28px;border-radius:6px;background:var(--brand);color:#fff;font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}
.quiz-hint{font-size:12px;color:var(--text-3);margin-top:10px;text-align:center}
.call-footer{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:10px 16px;background:var(--surface);border-top:1px solid var(--border-light);flex-shrink:0}
.btn-end{padding:8px 18px;background:rgba(239,68,68,.15);border:1px solid rgba(239,68,68,.3);border-radius:var(--r-sm);color:#ef4444;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s}
.btn-end:hover{background:rgba(239,68,68,.25)}
.btn-repeat{padding:8px 14px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text-2);font-size:13px;cursor:pointer;transition:all .15s}
.btn-repeat:hover{color:var(--text);border-color:var(--text-3)}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}
.modal-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:28px;width:100%;max-width:420px;max-height:90vh;overflow-y:auto}
.modal-title{font-size:20px;font-weight:700;margin-bottom:8px}
.modal-sub{color:var(--text-2);font-size:14px;margin-bottom:20px;line-height:1.5}
.btn-register{display:block;width:100%;padding:14px;background:var(--green);color:#fff;border-radius:var(--r-sm);font-size:16px;font-weight:700;text-align:center;text-decoration:none;transition:all .15s;margin-top:8px}
.btn-register:hover{background:#16a34a}
/* ── Live-only additions ── */
.text-input-panel{display:flex;gap:8px;padding:12px 16px;background:var(--surface);border-top:1px solid var(--border-light)}
.text-input-panel .inp{flex:1;margin:0}
.send-btn{width:auto!important;padding:9px 20px!important;white-space:nowrap}
.caption-bar{padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--border-light);min-height:44px;display:flex;align-items:center;transition:opacity .2s}
.caption-text{font-size:14px;color:var(--text-2);font-style:italic;line-height:1.5}
.caption-user{color:var(--accent);font-style:normal;font-weight:500}
.caption-speaking .caption-text{color:var(--text)}
.fade-up{animation:fadeUp .3s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}