:root{font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:#1d2424;background:#f3f5f2;font-synthesis:none;text-rendering:optimizeLegibility;--ink: #1d2424;--muted: #6a7471;--line: #dce2de;--surface: #ffffff;--soft: #f7f8f6;--coral: #e95745;--coral-dark: #c84031;--teal: #177b73;--yellow: #f2bd42}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,textarea{font:inherit;letter-spacing:0}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}.access-shell{min-height:100vh;padding:36px 18px;display:grid;place-items:center;background:#edf1ed}.access-status{min-height:40px;display:grid;place-items:center}.access-panel{width:min(430px,100%);padding:38px;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 18px 54px #192d281a}.access-panel>img{width:64px;height:64px;object-fit:cover;border-radius:6px;display:block;margin-bottom:22px}.access-eyebrow{color:var(--teal);font-size:12px;font-weight:750}.access-panel h1{margin:7px 0 10px;font-size:27px}.access-panel>p{margin:0 0 26px;color:var(--muted);line-height:1.7}.access-panel form label{display:block;margin-bottom:7px;font-size:13px;font-weight:700}.access-input{height:48px;padding:0 13px;border:1px solid #cbd4ce;border-radius:6px;display:flex;align-items:center;gap:9px;color:var(--muted)}.access-input:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px #177b731a}.access-input input{min-width:0;flex:1;border:0;outline:0;color:var(--ink);background:transparent}.access-panel form>button{width:100%;height:46px;margin-top:13px;border:0;border-radius:6px;background:var(--ink);color:#fff;font-weight:700}.access-error{margin-top:9px;color:#a13428;font-size:13px}.access-panel small{display:block;margin-top:20px;padding-top:16px;border-top:1px solid #e7ebe8;color:#7b8582;line-height:1.65}.app-shell{min-height:100vh;background:var(--soft)}.topbar{height:72px;padding:0 32px;border-bottom:1px solid var(--line);background:#fffffff5;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20}.brand-block,.topbar-actions,.profile-visual,.voice-status,.voice-controls,.report-header,.report-header-actions{display:flex;align-items:center}.brand-block{gap:11px}.brand-avatar{width:42px;height:42px;border-radius:50%;object-fit:cover;border:2px solid #fff;box-shadow:0 0 0 1px var(--line)}.brand-block strong{display:block;font-size:16px}.brand-block span{display:flex;align-items:center;gap:6px;margin-top:3px;color:var(--muted);font-size:12px}.brand-block i{width:7px;height:7px;background:#21a173;border-radius:50%}.topbar-actions{gap:10px}.icon-button,.send-button{width:38px;height:38px;border:1px solid var(--line);background:#fff;color:var(--ink);display:grid;place-items:center;border-radius:6px}.icon-button:hover{background:#eef2ef}.report-button,.voice-start,.hangup-button,.back-button,.cantonese-record-button{min-height:38px;border:0;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 15px;font-weight:650}.report-button{background:var(--ink);color:#fff}.report-button:hover{background:#303a39}.workspace{display:grid;grid-template-columns:260px minmax(0,780px);justify-content:center;min-height:calc(100vh - 72px)}.progress-panel{padding:34px 26px;border-left:1px solid var(--line);border-right:1px solid var(--line);background:#eef2ef}.profile-visual{gap:12px;padding-bottom:26px;border-bottom:1px solid #d4dcd7}.profile-visual img{width:62px;height:62px;object-fit:cover;border-radius:4px}.profile-visual span{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}.profile-visual strong{font-size:19px}.progress-heading{display:flex;justify-content:space-between;margin-top:28px;font-size:13px;color:var(--muted)}.progress-heading strong{color:var(--teal)}.progress-track{height:5px;background:#d5ddd7;margin-top:10px;overflow:hidden;border-radius:3px}.progress-track span{display:block;height:100%;background:var(--teal);transition:width .35s ease}.stage-list{list-style:none;padding:10px 0 0;margin:0}.stage-list li{min-height:39px;display:flex;align-items:center;gap:10px;color:#8a9390;font-size:13px}.stage-list li span{width:23px;height:23px;border:1px solid #cbd3ce;border-radius:50%;display:grid;place-items:center;font-size:11px}.stage-list li.active{color:var(--ink);font-weight:650}.stage-list li.active span{background:var(--teal);color:#fff;border-color:var(--teal)}.progress-panel blockquote{margin:30px 0 0;padding:15px 0 0;border-top:1px solid #d4dcd7;color:#68716f;font-size:12px;line-height:1.75}.conversation{min-width:0;background:var(--surface);display:grid;grid-template-rows:1fr auto auto auto;border-right:1px solid var(--line)}.messages{padding:40px 44px 28px;overflow-y:auto;max-height:calc(100vh - 252px);min-height:380px}.message{display:flex;gap:11px;margin-bottom:22px;align-items:flex-start}.message.user{justify-content:flex-end}.message-avatar{width:34px;height:34px;object-fit:cover;border-radius:50%;flex:0 0 auto}.message-content{max-width:min(620px,83%);padding:12px 15px;border-radius:7px;line-height:1.75;font-size:15px;white-space:pre-wrap;overflow-wrap:anywhere}.message.assistant .message-content{background:#f1f4f1;border:1px solid #e1e6e2;border-top-left-radius:2px}.message.user .message-content{background:#234f4b;color:#fff;border-top-right-radius:2px}.typing{display:inline-flex;gap:4px;align-items:center;height:20px}.typing b{width:6px;height:6px;background:#77817e;border-radius:50%;animation:blink 1.1s infinite ease-in-out}.typing b:nth-child(2){animation-delay:.18s}.typing b:nth-child(3){animation-delay:.36s}@keyframes blink{0%,70%,to{opacity:.25;transform:translateY(0)}35%{opacity:1;transform:translateY(-3px)}}.error-banner{margin:0 24px 10px;padding:10px 12px;background:#fff1ee;border:1px solid #f1c2ba;color:#9b3227;border-radius:6px;display:flex;align-items:center;justify-content:space-between;font-size:13px}.error-banner button{border:0;background:transparent;color:inherit;display:grid;place-items:center}.voice-strip{margin:0 24px 12px;min-height:58px;padding:9px 10px 9px 14px;border:1px solid var(--line);border-radius:7px;background:#fbfcfb;display:flex;justify-content:space-between;align-items:center}.voice-strip.live{border-color:#95c9c2;background:#f0f8f6}.voice-status{gap:12px}.voice-status strong,.voice-status span{display:block}.voice-status strong{font-size:13px}.voice-status div>span{min-height:15px;color:var(--muted);font-size:11px;margin-top:2px}.voice-pulse{display:flex;align-items:center;justify-content:center;gap:2px;width:30px;height:30px;background:#e9efeb;border-radius:50%}.voice-pulse i{width:2px;height:8px;background:var(--teal);border-radius:2px}.voice-strip.live .voice-pulse i{animation:wave .8s infinite alternate}.voice-strip.live .voice-pulse i:nth-child(2){animation-delay:.2s}.voice-strip.live .voice-pulse i:nth-child(3){animation-delay:.4s}@keyframes wave{to{height:17px}}.voice-start{background:var(--teal);color:#fff}.voice-start:hover{background:#0d6861}.hangup-button{background:#fff;border:1px solid #e7a69d;color:var(--coral-dark)}.voice-controls{gap:8px}.voice-idle-controls{display:flex;align-items:center;gap:10px}.language-switch{height:36px;display:inline-flex;align-items:stretch;border:1px solid #cbd5d0;border-radius:6px;overflow:hidden;background:#fff}.language-switch button{min-width:58px;padding:0 9px;border:0;border-right:1px solid #dbe2de;background:#fff;color:#596461;font-size:12px}.language-switch button:last-child{border-right:0}.language-switch button:hover{background:#eef4f1}.language-switch button.active{background:var(--teal);color:#fff}.cantonese-record-button{min-width:88px;background:var(--teal);color:#fff}.cantonese-record-button.recording{background:var(--coral)}.cantonese-record-button.processing{background:#71817d}.composer{margin:0 24px 24px;min-height:62px;border:1px solid #cfd7d2;border-radius:7px;background:#fff;display:flex;align-items:flex-end;gap:10px;padding:10px;box-shadow:0 7px 22px #20332f12}.composer:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px #177b731a}.composer textarea{flex:1;min-height:38px;max-height:118px;resize:vertical;border:0;outline:0;padding:8px 6px;line-height:1.45;color:var(--ink);background:transparent}.composer textarea::placeholder{color:#9aa3a0}.send-button{background:var(--coral);color:#fff;border-color:var(--coral);flex:0 0 auto}.send-button:hover{background:var(--coral-dark)}.report-drawer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:#f6f7f4;overflow-y:auto}.report-header{height:64px;position:sticky;top:0;z-index:2;padding:0 28px;background:#fff;border-bottom:1px solid var(--line);justify-content:space-between}.report-header>span{display:flex;align-items:center;gap:8px;font-weight:700}.report-header-actions{gap:8px}.report-voice-button{height:38px;padding:0 11px;border:1px solid #8bc1ba;border-radius:6px;background:#edf8f5;color:#116a63;display:inline-flex;align-items:center;gap:7px;font-weight:650}.report-voice-button.live{border-color:#76b8ae;background:#e7f5f1}.report-voice-button.muted{border-color:#d5dbd7;background:#fff;color:var(--muted)}.report-voice-button.recording{border-color:var(--coral);background:#fff0ed;color:var(--coral-dark)}.back-button{background:transparent;color:var(--ink);padding-left:0}.report-body{width:min(820px,calc(100% - 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64px)}.progress-panel{display:none}.conversation{min-height:calc(100vh - 64px);border:0}.messages{padding:24px 14px;max-height:calc(100vh - 286px);min-height:280px}.message-content{max-width:87%;font-size:14px}.voice-strip{margin:0 12px 9px;gap:8px}.voice-strip.idle{align-items:stretch;flex-direction:column}.voice-strip.idle .voice-status{display:none}.voice-idle-controls{align-items:stretch;flex-direction:column;gap:7px}.language-switch{width:100%}.language-switch button{min-width:0;flex:1}.voice-start{width:100%}.voice-status div>span{display:none}.voice-start,.hangup-button,.cantonese-record-button{padding:0 9px;font-size:12px}.composer{margin:0 12px 12px}.report-header{padding:0 14px}.report-header>span{display:none}.report-voice-button span{display:none}.report-voice-button{width:38px;padding:0;justify-content:center}.report-body{width:calc(100% - 24px);margin:18px auto 50px;padding:26px 20px}.report-body h1{font-size:23px}.access-shell{padding:18px 12px}.access-panel{padding:28px 22px}.rating-row>div{grid-template-columns:repeat(5,1fr)}.feedback-heading{align-items:flex-start;flex-direction:column;gap:4px}}