:root{--bg: #111418;--bg-panel: #181c22;--bg-hover: #222832;--border: #2a313c;--text: #e6e9ee;--text-dim: #8b93a1;--accent: #4f8cff;--accent-dim: #2c4d8f;--green: #2ecc71;--yellow: #f1c40f;--red: #e74c3c}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}button{cursor:pointer;border:none;border-radius:6px;font-size:14px;padding:8px 14px;background:var(--bg-hover);color:var(--text)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);color:#fff}button.ghost{background:transparent;border:1px solid var(--border)}button.danger{background:var(--red);color:#fff}button.mini{padding:3px 8px;font-size:12px}input,textarea{width:100%;background:var(--bg);border:1px solid 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h1{font-size:28px;text-align:center}.subtitle{text-align:center;color:var(--text-dim);margin-bottom:8px}.error-text{color:var(--red);font-size:13px}.dashboard{flex:1;overflow-y:auto;padding:0 20px 20px}.dashboard-head{display:flex;justify-content:space-between;align-items:baseline;padding:14px 2px;flex-wrap:wrap;gap:6px}.root-dir,.project-count{color:var(--text-dim);font-size:13px}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.project-card{background:var(--bg-panel);border:1px solid var(--border);border-radius:12px;padding:18px 20px;cursor:pointer;display:flex;flex-direction:column;gap:8px;transition:border-color .15s,transform .15s;min-height:132px}.project-card:hover{border-color:var(--accent);transform:translateY(-2px)}.project-card.project-active{border-color:var(--green)}.project-card-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.project-card 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#0006;z-index:50;max-height:60vh;overflow-y:auto}.session-item{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--border);cursor:pointer}.session-item:hover{background:var(--bg-hover)}.session-item.current{background:#4f8cff1a}.session-item-main{flex:1;min-width:0}.session-title{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.session-meta{display:flex;gap:8px;align-items:center;color:var(--text-dim);font-size:12px;margin-top:3px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}.modal-card{width:min(520px,94vw);max-height:84vh;overflow-y:auto;background:var(--bg-panel);border:1px solid var(--border);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:10px}.approval-tool{font-family:monospace;color:var(--accent);font-size:18px;font-weight:700}.approval-title{font-size:14px}.approval-desc{color:var(--text-dim);font-size:13px}.approval-input{background:var(--bg);border-radius:6px;padding:10px;font-size:12px;max-height:240px;overflow:auto;white-space:pre-wrap;word-break:break-all}.countdown{color:var(--text-dim);font-size:13px}.countdown.urgent{color:var(--red)}.modal-actions{display:flex;gap:10px;justify-content:flex-end}.question-card h2{font-size:18px}.question-block{display:flex;flex-direction:column;gap:8px;padding:10px 0;border-top:1px solid var(--border)}.question-header{color:var(--accent);font-weight:600;font-size:13px}.question-text{font-size:15px;font-weight:500}.question-options{display:flex;flex-direction:column;gap:8px}.option-chip{display:flex;flex-direction:column;align-items:flex-start;gap:3px;width:100%;text-align:left;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px 12px}.option-chip:hover{border-color:var(--accent)}.option-chip.active{border-color:var(--accent);background:#4f8cff1f}.option-label{font-weight:600}.option-desc{color:var(--text-dim);font-size:12px;white-space:normal}.custom-row{display:flex;gap:8px;align-items:center}.empty{color:var(--text-dim);text-align:center;padding:40px 0}.empty.small{padding:16px;font-size:13px}@media(max-width:640px){.topbar h1{font-size:14px}.chat-input{padding:8px}.bubble{max-width:94%}.sidebar-dropdown{width:280px}}