*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #faf9f7;--text: #1a1a1a;--text-secondary: #6b6b6b;--border: #e0ddd8;--accent: #2c2c2c;--card-bg: #ffffff;--chat-user: #f0eeea;--chat-ai: #ffffff}html,body{height:100%;font-family:Noto Sans TC,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}#app{height:100%}.select-screen{min-height:100vh;padding:60px 40px;max-width:960px;margin:0 auto}.select-screen h1{font-family:"Noto Serif TC",serif;font-size:28px;font-weight:700;margin-bottom:8px;letter-spacing:.02em}.select-screen .subtitle{color:var(--text-secondary);font-size:14px;margin-bottom:48px;font-weight:300}.lawyers-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.lawyer-card{background:var(--card-bg);border:1px solid var(--border);border-radius:8px;padding:24px;cursor:pointer;transition:border-color .2s,box-shadow .2s}.lawyer-card:hover{border-color:var(--accent);box-shadow:0 2px 12px #0000000f}.lawyer-card .name{font-family:"Noto Serif TC",serif;font-size:18px;font-weight:700;margin-bottom:4px}.lawyer-card .role{font-size:13px;color:var(--text-secondary);margin-bottom:12px}.lawyer-card .desc{font-size:13px;line-height:1.6;color:var(--text-secondary)}.chat-screen{display:flex;flex-direction:column;height:100vh}.chat-header{display:flex;align-items:center;gap:16px;padding:16px 24px;border-bottom:1px solid var(--border);background:var(--card-bg)}.chat-header .back-btn{background:none;border:1px solid var(--border);border-radius:6px;padding:6px 12px;font-size:13px;cursor:pointer;font-family:Noto Sans TC,sans-serif;color:var(--text);transition:background .15s}.chat-header .back-btn:hover{background:var(--bg)}.chat-header .lawyer-info .name{font-family:"Noto Serif TC",serif;font-size:16px;font-weight:700}.chat-header .lawyer-info .role{font-size:12px;color:var(--text-secondary)}.chat-messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px}.message{max-width:640px;line-height:1.7;font-size:14px;padding:14px 18px;border-radius:10px;white-space:pre-wrap}.message.ai{background:var(--chat-ai);border:1px solid var(--border);align-self:flex-start}.message.user{background:var(--chat-user);align-self:flex-end}.message.typing{color:var(--text-secondary);font-style:italic}.chat-input-area{padding:16px 24px;border-top:1px solid var(--border);background:var(--card-bg);display:flex;gap:12px}.chat-input-area textarea{flex:1;border:1px solid var(--border);border-radius:8px;padding:12px 16px;font-size:14px;font-family:Noto Sans TC,sans-serif;resize:none;outline:none;line-height:1.5;height:44px;max-height:120px;transition:border-color .15s}.chat-input-area textarea:focus{border-color:var(--accent)}.chat-input-area button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:0 20px;font-size:14px;font-family:Noto Sans TC,sans-serif;cursor:pointer;transition:opacity .15s}.chat-input-area button:hover{opacity:.85}.chat-input-area button:disabled{opacity:.4;cursor:not-allowed}