*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f5f5f0;--surface:#fff;--surface-2:#f0efea;--border:#e8e7e2;--text-primary:#1a1a18;--text-secondary:#7a7a72;--text-tertiary:#b0afa8;--accent:#1a1a18;--accent-fg:#f5f5f0;--bubble-me:#1a1a18;--bubble-me-text:#f5f5f0;--bubble-them:#fff;--bubble-them-text:#1a1a18;--bubble-claude:#f0efea;--bubble-claude-text:#1a1a18;--bubble-claude-border:#e0dfd8;--danger:#c0392b;--radius-sm:6px;--radius-md:14px;--radius-lg:20px;--radius-full:999px;--font:"DM Sans", sans-serif;--font-mono:"DM Mono", monospace;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 16px #00000014;--shadow-lg:0 8px 32px #0000001f}html,body,#root{height:100%;font-family:var(--font);background:var(--bg);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.5}button{font-family:var(--font);cursor:pointer;background:0 0;border:none}input,textarea{font-family:var(--font);border:none;outline:none}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.home{justify-content:center;align-items:center;min-height:100%;padding:24px;display:flex}.home-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:440px;box-shadow:var(--shadow-md);padding:40px}.home-logo{letter-spacing:-.5px;margin-bottom:4px;font-size:22px;font-weight:500}.home-logo span{color:var(--text-secondary);font-weight:300}.home-tagline{color:var(--text-tertiary);margin-bottom:36px;font-size:13px;font-style:italic}.home-tabs{background:var(--surface-2);border-radius:var(--radius-sm);gap:2px;margin-bottom:28px;padding:3px;display:flex}.home-tab{color:var(--text-secondary);border-radius:calc(var(--radius-sm) - 1px);text-align:center;flex:1;padding:8px;font-size:13px;font-weight:500;transition:all .15s}.home-tab.active{background:var(--surface);color:var(--text-primary);box-shadow:var(--shadow-sm)}.form-group{margin-bottom:16px}.form-label{color:var(--text-secondary);letter-spacing:.04em;text-transform:uppercase;margin-bottom:6px;font-size:12px;font-weight:500;display:block}.form-input{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);padding:11px 14px;font-size:14px;transition:border-color .15s}.form-input:focus{border-color:var(--accent);background:var(--surface)}.form-input::placeholder{color:var(--text-tertiary)}.form-hint{color:var(--text-tertiary);margin-top:5px;font-size:11px;font-style:italic}.btn-primary{background:var(--accent);width:100%;color:var(--accent-fg);border-radius:var(--radius-sm);margin-top:8px;padding:12px;font-size:14px;font-weight:500;transition:opacity .15s}.btn-primary:hover{opacity:.85}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.error-msg{color:var(--danger);text-align:center;margin-top:12px;font-size:13px}.room{flex-direction:column;max-width:720px;height:100%;margin:0 auto;display:flex}.room-header{border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0;justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.room-header-left{flex-direction:column;gap:2px;display:flex}.room-name{letter-spacing:-.2px;font-size:15px;font-weight:500}.room-users{color:var(--text-tertiary);font-size:12px}.room-header-right{align-items:center;gap:10px;display:flex}.btn-invite{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-full);color:var(--text-secondary);align-items:center;gap:6px;padding:7px 12px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.btn-invite:hover{background:var(--border);color:var(--text-primary)}.btn-invite.copied{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}.messages{flex-direction:column;flex:1;gap:3px;padding:20px;display:flex;overflow-y:auto}.msg-group{flex-direction:column;gap:2px;margin-bottom:10px;display:flex}.msg-sender-label{color:var(--text-tertiary);margin-bottom:2px;padding:0 4px;font-size:11px}.msg-row{align-items:flex-end;gap:8px;display:flex}.msg-row.me{justify-content:flex-end}.msg-row.them,.msg-row.claude-row{justify-content:flex-start}.bubble{border-radius:var(--radius-lg);word-break:break-word;max-width:72%;padding:10px 14px;font-size:14px;line-height:1.5}.bubble.me{background:var(--bubble-me);color:var(--bubble-me-text);border-bottom-right-radius:var(--radius-sm)}.bubble.them{background:var(--bubble-them);color:var(--bubble-them-text);border:1px solid var(--border);border-bottom-left-radius:var(--radius-sm)}.bubble.claude{background:var(--bubble-claude);color:var(--bubble-claude-text);border:1px solid var(--bubble-claude-border);border-bottom-left-radius:var(--radius-sm);max-width:85%}.claude-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-tertiary);font-size:10px;font-weight:500;font-family:var(--font-mono);margin-bottom:4px}.msg-time{color:var(--text-tertiary);flex-shrink:0;margin-bottom:2px;font-size:11px}.typing-indicator{background:var(--bubble-claude);border:1px solid var(--bubble-claude-border);border-radius:var(--radius-lg);border-bottom-left-radius:var(--radius-sm);align-items:center;gap:3px;width:fit-content;padding:10px 14px;display:flex}.typing-dot{background:var(--text-tertiary);border-radius:50%;width:6px;height:6px;animation:1.2s infinite typingBounce}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}.input-area{background:var(--surface);border-top:1px solid var(--border);flex-shrink:0;padding:12px 20px 20px}.input-row{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-lg);align-items:flex-end;gap:10px;padding:10px 14px;transition:border-color .15s;display:flex}.input-row:focus-within{border-color:var(--accent);background:var(--surface)}.msg-input{color:var(--text-primary);resize:none;background:0 0;flex:1;max-height:120px;font-size:14px;line-height:1.5;overflow-y:auto}.msg-input::placeholder{color:var(--text-tertiary)}.send-btn{background:var(--accent);width:30px;height:30px;color:var(--accent-fg);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;transition:opacity .15s;display:flex}.send-btn:hover{opacity:.8}.send-btn:disabled{opacity:.3;cursor:not-allowed}.at-hint{color:var(--text-tertiary);text-align:center;margin-top:8px;font-size:11px;font-style:italic}.context-picker-overlay{z-index:100;background:#0000004d;justify-content:center;align-items:flex-end;padding:20px;display:flex;position:fixed;inset:0}.context-picker{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:680px;max-height:65vh;box-shadow:var(--shadow-lg);flex-direction:column;display:flex;overflow:hidden}.context-picker-header{border-bottom:1px solid var(--border);flex-shrink:0;padding:18px 20px 14px}.context-picker-title{margin-bottom:3px;font-size:14px;font-weight:500}.context-picker-subtitle{color:var(--text-tertiary);font-size:12px}.context-picker-actions{gap:8px;margin-top:12px;display:flex}.btn-sm{border-radius:var(--radius-full);border:1px solid var(--border);color:var(--text-secondary);background:var(--surface-2);padding:5px 10px;font-size:12px;font-weight:500;transition:all .15s}.btn-sm:hover{background:var(--border);color:var(--text-primary)}.context-messages{flex:1;padding:8px 0;overflow-y:auto}.context-msg-row{cursor:pointer;align-items:flex-start;gap:12px;padding:8px 20px;transition:background .1s;display:flex}.context-msg-row:hover{background:var(--surface-2)}.context-msg-row.excluded{opacity:.35}.context-checkbox{border:1.5px solid var(--border);border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:18px;height:18px;margin-top:2px;transition:all .1s;display:flex}.context-checkbox.checked{background:var(--accent);border-color:var(--accent)}.context-msg-content{flex:1;min-width:0}.context-msg-sender{color:var(--text-secondary);margin-bottom:2px;font-size:11px;font-weight:500}.context-msg-text{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.context-picker-footer{border-top:1px solid var(--border);flex-shrink:0;gap:10px;padding:14px 20px;display:flex}.btn-cancel{border-radius:var(--radius-sm);border:1px solid var(--border);color:var(--text-secondary);background:var(--surface-2);flex:1;padding:11px;font-size:14px;font-weight:500;transition:all .15s}.btn-cancel:hover{background:var(--border);color:var(--text-primary)}.btn-ask-claude{border-radius:var(--radius-sm);background:var(--accent);color:var(--accent-fg);flex:2;padding:11px;font-size:14px;font-weight:500;transition:opacity .15s}.btn-ask-claude:hover{opacity:.85}.system-msg{text-align:center;color:var(--text-tertiary);padding:4px 0 10px;font-size:12px;font-style:italic}.loading-screen{height:100%;color:var(--text-tertiary);justify-content:center;align-items:center;gap:8px;font-size:13px;display:flex}.spinner{border:2px solid var(--border);border-top-color:var(--text-secondary);border-radius:50%;width:16px;height:16px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}