:root{--bg:#f2f2f7;--card:#ffffff;--text:#1c1c1e;--text-secondary:#6e6e73;--accent:#007aff;--accent-dark:#0062cc;--border:#e5e5ea;--danger:#ff3b30;--success:#34c759;--radius:16px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}.container{max-width:720px;margin:0 auto;padding:20px 16px 48px}.brand{text-align:center;margin:12px 0 20px}.brand h1{font-size:40px;margin:0;letter-spacing:-.5px}.brand h1 .accent{color:var(--accent)}.brand p{color:var(--text-secondary);margin:6px 0 0}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:16px;box-shadow:0 1px 3px rgba(0,0,0,.04)}.card h2,.card h3{margin-top:0}input,select,textarea{width:100%;padding:11px 12px;border:1px solid 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var(--border);font-size:15px}.chat-list-row:hover{background:#fafafa}.rating-card{text-align:center}.stars-row{display:flex;justify-content:center;align-items:center;gap:2px}.star{font-size:30px;line-height:1;color:#d8d8de}.star.filled{color:#f5a623}.star-btn{background:none;padding:2px;line-height:1}.rating-num{font-size:20px;margin-left:8px}.emoji-panel{display:flex;flex-wrap:wrap;gap:2px;padding:8px 12px;border-top:1px solid var(--border);background:#fff}.emoji-btn{background:none;color:inherit;font-size:22px;line-height:1;padding:5px 6px;border-radius:10px}.emoji-btn:hover{background:var(--bg)}.chat-bubble{position:fixed;right:18px;bottom:18px;z-index:1000;width:58px;height:58px;border-radius:50%;font-size:26px;line-height:1;display:flex;align-items:center;justify-content:center;padding:0;box-shadow:0 6px 20px rgba(0,0,0,.28)}.chat-bubble-badge{position:absolute;top:-4px;right:-4px;background:#e03131;color:#fff;font-size:12px;font-weight:700;border-radius:999px;padding:2px 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