:root{--bg: #f4f6fa;--panel: #ffffff;--ink: #0f172a;--ink-2: #334155;--muted: #7b8798;--line: #e6eaf0;--brand: #2f6fed;--brand-2: #1d4ed8;--danger: #dc2626;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 10px 30px rgba(15, 23, 42, .12);--shadow-lg: 0 24px 60px rgba(15, 23, 42, .22)}*{box-sizing:border-box}html,body{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif;color:var(--ink);background:var(--bg);overflow:hidden;-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit}button{cursor:pointer}svg{display:block}[hidden]{display:none!important}.flex-spacer{flex:1}.app{display:flex;height:100vh;height:100dvh}.boot-screen{position:fixed;inset:0;z-index:500;display:grid;place-items:center;background:linear-gradient(180deg,#eff3f9,#e5ebf4)}.login-screen{position:fixed;inset:0;z-index:500;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 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.collab-avatar{margin-left:0}.collab-user-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink);font-weight:600}.collab-user-tabs{color:var(--muted);font-size:10px;white-space:nowrap}.collab-lock-ico{width:22px;height:22px;flex:0 0 22px;border-radius:7px;background:#fff7ed;display:grid;place-items:center;font-size:11px}.collab-lock-text{min-width:0;display:flex;flex-direction:column;gap:1px}.collab-lock-text b{color:var(--ink);font-size:11.5px}.collab-lock-text span{color:var(--muted);font-size:10.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.collab-empty{margin:0;color:#9aa7b7;font-size:11px}.collab-tip{margin:12px 0 0;padding-top:9px;border-top:1px dashed #e8edf4;color:#9aa7b7;font-size:10px;line-height:1.5}.collab-lock-badge{max-width:84px;padding:1px 6px;overflow:hidden;border:1px solid #fed7aa;border-radius:999px;background:#fff7ed;color:#b45309;font-size:9.5px;font-weight:650;text-overflow:ellipsis;white-space:nowrap}.poly-item.is-locked,.note-item.is-locked{border-color:#fde68a;background:#fffbeb}.poly-item.is-locked:hover,.note-item.is-locked:hover{background:#fef3c7}.pin{position:relative}.pin.is-locked .pin-head{box-shadow:0 0 0 3px #f59e0be6,0 0 0 6px #f59e0b38}.pin.is-locked:after{content:attr(data-lock);position:absolute;left:50%;bottom:calc(100% + 3px);transform:translate(-50%);max-width:94px;padding:2px 6px;overflow:hidden;border-radius:999px;background:#f59e0b;color:#fff;font-size:9px;font-weight:700;line-height:1.35;text-overflow:ellipsis;white-space:nowrap;pointer-events:none;box-shadow:0 2px 7px #b4530959}.iw-lock-banner{margin:8px 0 0;padding:6px 8px;border:1px solid #fed7aa;border-radius:8px;background:#fff7ed;color:#b45309;font-size:11px;font-weight:600;line-height:1.45}@media(max-width:720px){.collab-pill{height:32px;gap:6px;font-size:11px}.collab-popover{width:calc(100vw - 28px)}}.chip-manage.is-locked{border-color:#fed7aa;background:#fff7ed;color:#b45309}.chip-manage.is-locked:hover{border-color:#fdba74;color:#92400e}