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24px}.done-check{width:64px;height:64px;border-radius:50%;background:#dcfce7;color:#16a34a;font-size:34px;display:grid;place-items:center}.stars{display:flex;gap:6px;margin:4px 0 12px}.star{background:none;border:none;font-size:32px;color:#d1d5db;line-height:1}.star.on{color:#f59e0b}.comment{width:100%;resize:vertical}.fab{position:fixed;right:24px;bottom:24px;width:56px;height:56px;border-radius:50%;border:none;background:var(--primary);color:#fff;font-size:22px;box-shadow:var(--shadow);z-index:40}.chat-panel{position:fixed;right:24px;bottom:92px;width:380px;max-width:calc(100vw - 32px);height:520px;max-height:calc(100vh - 130px);display:flex;flex-direction:column;overflow:hidden;z-index:41}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border)}.icon-btn{background:none;border:none;font-size:16px;color:var(--muted)}.chat-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:#f8fafc}.bubble{max-width:85%}.bubble.user{align-self:flex-end}.bubble.assistant{align-self:flex-start}.bubble-text{padding:10px 13px;border-radius:14px;line-height:1.5;font-size:14px;white-space:pre-wrap}.bubble.user .bubble-text{background:var(--primary);color:#fff;border-bottom-right-radius:4px}.bubble.assistant .bubble-text{background:#fff;border:1px solid var(--border);border-bottom-left-radius:4px}.bubble-text.error{background:#fef2f2;color:var(--danger);border-color:#fecaca}.sources{margin-top:6px;font-size:12px;color:var(--muted)}.sources summary{cursor:pointer}.sources ul{margin:6px 0 0;padding-left:16px}.sources .snippet{display:block;color:var(--muted)}.tour-suggest{margin-top:6px;font-size:13px;background:#fffbeb;border:1px solid #fde68a;padding:8px 10px;border-radius:10px}.chat-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border)}.chat-input input{flex:1}.chat-input .btn{padding:11px 14px}@media (max-width: 480px){.chat-panel{right:8px;left:8px;bottom:8px;top:64px;width:auto;max-width:none;height:auto;max-height:none}}.typing{display:inline-flex;gap:4px;padding:12px 14px;background:#fff;border:1px solid var(--border);border-radius:14px}.typing span{width:7px;height:7px;border-radius:50%;background:#cbd5e1;animation:blink 1.2s infinite both}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.3}40%{opacity:1}}.spinner{width:36px;height:36px;border:4px solid #e5e7eb;border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}