:root{--bg: #eef0f4;--canvas: #ffffff;--surface: #ffffff;--surface-2: #f6f7f9;--border: #e6e7eb;--border-strong: #d6d8de;--text: #17181c;--text-soft: #6c6f7a;--text-faint: #9a9da7;--accent: #4262ff;--accent-hover: #2f4fe8;--accent-soft: #ecf0ff;--shadow-sm: 0 1px 2px rgba(20, 22, 30, .06), 0 1px 3px rgba(20, 22, 30, .08);--shadow-md: 0 4px 14px rgba(20, 22, 30, .1);--shadow-lg: 0 12px 34px rgba(20, 22, 30, .16);--radius: 10px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--cat-red: #e5484d;--cat-yellow: #f5a623;--cat-blue: #4c6ef5;--cat-green: #30a46c;--cat-purple: #8e4ec6;--cat-gray: 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b{font-size:13px;font-weight:650}.msg-time{font-size:11px;color:var(--text-faint)}.msg-text{font-size:13.5px;line-height:1.5;margin-top:2px;white-space:pre-wrap;overflow-wrap:anywhere}.thread-input{position:relative;display:flex;align-items:flex-end;gap:6px;padding:8px 10px;border-top:1px solid var(--border)}.thread-input textarea{flex:1;border:1px solid var(--border-strong);border-radius:10px;background:var(--surface);padding:8px 10px;font-size:13.5px;line-height:1.45;resize:none;outline:none;max-height:120px;transition:border-color .14s,box-shadow .14s}.thread-input textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.send-btn{width:34px;height:34px;flex:none;border:none;border-radius:9px;background:var(--accent);color:#fff;font-size:13px;display:inline-flex;align-items:center;justify-content:center}.send-btn:hover{background:var(--accent-hover)}.send-btn:disabled{background:var(--border-strong);cursor:default}.mention-pop{position:absolute;left:10px;bottom:calc(100% + 4px);z-index:5;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow-lg);padding:4px;min-width:190px;max-height:210px;overflow-y:auto}.mention-pop button{display:flex;width:100%;align-items:center;gap:8px;border:none;background:transparent;padding:7px 8px;border-radius:7px;font-size:13px;text-align:left}.mention-pop button:hover,.mention-pop button.hl{background:var(--surface-2)}.mini-avatar{width:21px;height:21px;border-radius:50%;color:#fff;font-size:9.5px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex:none}.toolbar{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:2px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:6px;box-shadow:var(--shadow-lg);z-index:35}.tool{border:none;background:transparent;border-radius:10px;padding:8px 13px;font-size:13px;font-weight:550;color:var(--text);display:flex;align-items:center;gap:7px}.tool:hover{background:var(--surface-2)}.tool.active{background:var(--accent);color:#fff}.tool-ico{font-size:13px;width:15px;text-align:center}.tool-sep{width:1px;height:22px;background:var(--border);margin:0 5px}.zoombar{position:absolute;bottom:20px;right:20px;z-index:35;display:flex;align-items:center;gap:2px;background:var(--surface);border:1px solid var(--border);border-radius:11px;padding:4px;box-shadow:var(--shadow-md);font-size:12.5px}.zoombar button{border:none;background:transparent;border-radius:7px;padding:6px 10px;font-weight:600}.zoombar button:hover{background:var(--surface-2)}.zoombar .pct{min-width:44px;text-align:center;color:var(--text-soft);font-variant-numeric:tabular-nums}.presence{display:flex;align-items:center}.avatar{width:28px;height:28px;border-radius:50%;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:700;border:2px solid var(--surface);margin-left:-7px}.presence .avatar:first-child{margin-left:0}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--cat-green)}.status-dot.off{background:var(--cat-red)}.board-title-input{font-size:15px;font-weight:650;border:1px solid transparent;background:transparent;border-radius:8px;padding:5px 9px;outline:none;min-width:60px;max-width:360px;color:var(--text)}.board-title-input:hover{background:var(--surface-2)}.board-title-input:focus{border-color:var(--accent);background:var(--surface)}.bell-wrap{position:relative}.badge{position:absolute;top:-2px;right:-2px;min-width:16px;height:16px;background:var(--cat-red);color:#fff;font-size:10px;font-weight:700;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;padding:0 4px;border:2px solid var(--surface)}.dropdown{position:absolute;right:0;top:calc(100% + 8px);width:336px;max-height:420px;overflow-y:auto;background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-lg);z-index:60;padding:6px}.dropdown .dd-empty{padding:22px;text-align:center;color:var(--text-soft);font-size:13.5px}.notif{padding:10px 12px;border-radius:10px;cursor:pointer;font-size:13px;line-height:1.45}.notif:hover{background:var(--surface-2)}.notif.unread{background:var(--accent-soft)}.notif.unread:hover{background:#dfe6ff}.notif .n-meta{color:var(--text-soft);font-size:11.5px;margin-top:2px}.export-panel{position:absolute;top:0;right:0;bottom:0;width:min(452px,92vw);background:var(--surface);border-left:1px solid var(--border);box-shadow:-14px 0 44px #14161e24;z-index:50;display:flex;flex-direction:column;animation:slide-in .2s cubic-bezier(.2,.8,.2,1)}@keyframes slide-in{0%{transform:translate(28px);opacity:0}to{transform:none;opacity:1}}.export-head{display:flex;align-items:center;gap:8px;padding:16px 18px;border-bottom:1px solid var(--border)}.export-head h3{font-size:17px;font-weight:700;flex:1;letter-spacing:-.01em}.export-body{flex:1;overflow-y:auto;padding:16px 18px}.export-body pre{font-family:ui-monospace,SF 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18px;transition:border-color .14s,box-shadow .14s}.modal-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.modal-actions{display:flex;justify-content:flex-end;gap:8px}.btn.danger-solid{background:var(--cat-red);border-color:var(--cat-red);color:#fff}.btn.danger-solid:hover{background:#cf3a3f}.toasts{position:fixed;bottom:20px;left:20px;z-index:100;display:flex;flex-direction:column;gap:8px}.toast{background:var(--text);color:#fff;border-radius:11px;padding:11px 16px;font-size:13.5px;box-shadow:var(--shadow-lg);animation:toast-in .2s ease-out;max-width:440px}.toast.error{background:var(--cat-red)}@keyframes toast-in{0%{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}.progress-pill{position:absolute;top:16px;left:50%;transform:translate(-50%);background:var(--text);color:#fff;font-size:12.5px;font-weight:550;border-radius:20px;padding:8px 18px;z-index:45;box-shadow:var(--shadow-lg)}