@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f6f7fb;--surface: #ffffff;--surface2: #eef0f6;--border: #e2e5ef;--border2: #eef0f6;--text: #0f1117;--text2: #6b7080;--text3: #9ca3af;--accent: #2563eb;--green: #16a34a;--red: #dc2626;--gold: #d97706;--silver: #6b7080;--bronze: #92400e}body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh}a{color:inherit}input,button,select,textarea{font-family:inherit}input::placeholder{color:var(--text3)}input:focus{outline:none;border-color:var(--text3)!important}button:disabled{opacity:.5;cursor:not-allowed}.chat-panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}.chat-panel-header{padding:10px 16px;border-bottom:1px solid var(--border);font-size:13px;font-weight:600;display:flex;align-items:center;gap:6px;flex-shrink:0}.chat-panel-messages{height:220px;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:10px}.chat-empty{font-size:13px;color:var(--text3);text-align:center;margin:auto}.chat-day-boundary{display:flex;align-items:center;gap:8px;margin:6px 0;color:var(--text3);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.chat-day-boundary:before,.chat-day-boundary:after{content:"";flex:1;height:1px;background:var(--border)}.chat-message{display:flex;flex-direction:column;gap:2px}.chat-message-meta{display:flex;align-items:baseline;gap:6px}.chat-username{font-size:12px;font-weight:600;color:var(--accent)}.chat-time{font-size:11px;color:var(--text3)}.chat-text{font-size:13px;color:var(--text);line-height:1.4;word-break:break-word}.chat-panel-input{padding:10px 12px;border-top:1px solid var(--border);display:flex;gap:8px;flex-shrink:0}.chat-panel-input input{flex:1;padding:6px 10px;border:1px solid var(--border);border-radius:6px;font-size:13px;background:var(--bg);color:var(--text);outline:none}.chat-panel-input input:focus{border-color:var(--accent)}.chat-panel-input button{padding:6px 12px;background:var(--accent);color:#fff;border:none;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer}.chat-panel-input button:disabled{opacity:.4;cursor:default}.chat-login-prompt{padding:12px;font-size:13px;color:var(--text2);text-align:center;border-top:1px solid var(--border);flex-shrink:0}