@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg:#0d0f14;--sidebar:#111318;--card:#1a1d24;--card-hover:#1f232c;--border:#252830;--accent:#6366f1;--accent2:#8b5cf6;--text:#e2e4ea;--muted:#6b7280;--danger:#ef4444;--low:#22c55e;--medium:#f59e0b;--high:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);height:100vh;font-family:Inter,sans-serif;overflow:hidden}#root{height:100vh;display:flex;overflow:hidden}.sidebar{background:var(--sidebar);border-right:1px solid var(--border);white-space:nowrap;flex-direction:column;width:260px;min-width:260px;height:100vh;transition:width .3s,min-width .3s,opacity .3s;display:flex;overflow:hidden}.sidebar.collapsed{opacity:0;border:none;width:0!important;min-width:0!important}.sidebar-section-title{text-transform:uppercase;color:var(--muted);letter-spacing:.5px;margin:0;font-size:11px;font-weight:600}.sidebar-section-header{align-items:center;gap:8px;padding:16px 18px 8px;display:flex}.sidebar-add-btn{color:var(--muted);cursor:pointer;background:0 0;border:none;font-size:16px;line-height:1;transition:all .15s}.sidebar-add-btn:hover{color:var(--text)}.board-item{cursor:pointer;color:var(--muted);border-radius:8px;align-items:center;gap:8px;margin:0 8px 4px;padding:8px 10px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.board-item:hover{color:var(--text);background:#6366f114}.board-item.active{color:var(--accent);background:#6366f126}.board-item .bname{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.board-item .del-board{opacity:0;pointer-events:none;color:var(--muted);cursor:pointer;border-radius:4px;padding:2px 4px;font-size:14px;line-height:1;transition:all .15s;display:flex}.board-item:hover .del-board{opacity:1;pointer-events:auto}.board-item .del-board:hover{color:var(--danger);background:#ef44441a}.folder-item{cursor:pointer;color:var(--muted);border-radius:8px;justify-content:space-between;align-items:center;margin:0 8px 4px;padding:8px 10px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.folder-item:hover{color:var(--text);background:#ffffff0d}.folder-item.active{color:var(--accent);background:#6366f126}.folder-item .del-folder{opacity:0;pointer-events:none;color:var(--muted);border-radius:4px;padding:2px;transition:all .15s}.folder-item:hover .del-folder{opacity:1;pointer-events:auto}.folder-item .del-folder:hover{color:var(--danger);background:#ef44441a}.main-area{flex-direction:column;flex:1;display:flex;overflow:hidden}.board-header{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:12px;min-height:60px;padding:16px 24px;display:flex}.board-title{cursor:pointer;color:var(--text);background:0 0;border:none;border-radius:6px;outline:none;margin-left:-6px;padding:2px 6px;font-size:18px;font-weight:600;transition:all .15s}.board-title:hover{background:#ffffff0d}.board-title:focus{outline:1px solid var(--accent);background:#6366f114}.header-icon-btn{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:6px;transition:all .1s;display:flex}.header-icon-btn:hover{color:var(--text);background:#ffffff1a}.board-search{color:var(--text);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:6px;outline:none;width:150px;padding:4px 8px;font-size:13px}.board-search:focus{border-color:var(--accent)}.board-tags{flex-wrap:wrap;flex:1;align-items:center;gap:8px;margin-left:16px;display:flex}.top-tag{color:#6366f1;cursor:pointer;background:0 0;border:1px solid #6366f1;border-radius:6px;padding:4px 10px;font-size:12px;transition:all .15s;display:inline-block}.top-tag.active{color:#fff;background:#6366f1}.top-tag:hover{background:#6366f11a}.top-tag.active:hover{background:#4f46e5}.inline-tag{color:#6366f1;vertical-align:middle;white-space:nowrap;border:1px solid #6366f1;border-radius:4px;margin-right:4px;padding:0 6px;font-size:11px;display:inline-block}.columns-wrap{flex:1;align-items:flex-start;gap:10px;padding:16px 24px;display:flex;overflow-x:auto}.column{background:0 0;border:none;border-radius:12px;flex-direction:column;width:280px;min-width:280px;max-height:calc(100vh - 100px);transition:outline .1s;display:flex}.col-header{align-items:center;gap:8px;padding:12px 12px 8px;display:flex}.col-name{cursor:text;color:var(--text);background:0 0;border:none;border-radius:5px;outline:none;flex:1;margin-left:-5px;padding:2px 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var(--muted);cursor:pointer;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:14px;height:14px;margin-top:3px;display:flex}.card-done-cb:checked{background:var(--accent);border-color:var(--accent)}.card-done-cb:checked:after{content:"";border:2px solid #fff;border-width:0 2px 2px 0;width:4px;height:8px;margin-top:-2px;transform:rotate(45deg)}.card-title{cursor:text;word-break:break-word;color:var(--text);resize:none;background:0 0;border:none;border-radius:4px;outline:none;flex:1;margin-bottom:6px;margin-left:-5px;padding:2px 5px;font-family:inherit;font-size:14px;font-weight:600;line-height:1.4}.card-title:hover{background:#ffffff0d}.card-title:focus{background:#6366f114;outline:none}.card-content{color:#ffffffd9;white-space:pre-wrap;word-break:break-word;cursor:text;resize:none;background:0 0;border:none;border-radius:4px;outline:none;width:100%;min-height:20px;margin-bottom:0;margin-left:-4px;padding:2px 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.3s;position:fixed;bottom:20px;right:20px;transform:translateY(80px)}.toast.show{opacity:1;transform:translateY(0)}.notes-wrap{flex:1;width:100%;height:calc(100vh - 60px);display:flex}.notes-panel-list{border-right:1px solid var(--border);background:var(--bg);flex-direction:column;width:280px;display:flex}.notes-panel-editor{background:var(--bg);flex-direction:column;flex:1;display:flex}.note-item{cursor:pointer;border-radius:8px;margin:4px 8px;padding:8px 10px;transition:all .15s}.note-item:hover{background:#ffffff0d}.note-item.active{color:var(--accent);background:#6366f126}.note-item.active .note-item-title{color:var(--accent)}.note-item-title{color:var(--text);white-space:nowrap;text-overflow:ellipsis;margin-bottom:2px;font-size:13px;font-weight:500;overflow:hidden}.note-item-date{color:var(--muted);font-size:11px}.note-editor-title{color:var(--text);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:20px;font-weight:600}.empty-state{color:var(--muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;display:flex}.empty-state svg{opacity:.3}.empty-state p{font-size:14px}::-webkit-scrollbar{width:6px;height:12px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:10px}.md-editor-wrap{flex:1;position:relative;overflow:hidden}.note-editor-backdrop{width:100%;height:100%;color:var(--text);white-space:pre-wrap;word-break:break-word;pointer-events:none;z-index:0;border:none;margin:0;padding:24px;font-family:monospace;font-size:14px;line-height:1.6;position:absolute;top:0;left:0;overflow-y:auto}.note-editor-textarea{resize:none;width:100%;height:100%;color:var(--text);background:0 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var(--border);color:var(--text);cursor:pointer;border-radius:8px;padding:8px;display:none;position:fixed;top:12px;left:12px;box-shadow:0 2px 8px #0000004d}.mobile-overlay{display:none}@media (width<=768px){.mobile-menu-btn{display:flex}.mobile-overlay{z-index:999;background:#00000080;display:block;position:fixed;inset:0}.sidebar{z-index:1000;transition:left .25s;position:fixed;top:0;bottom:0;left:-260px;box-shadow:4px 0 24px #00000080}.sidebar.open{left:0}.main-area{width:100%!important;margin-left:0!important}.board-header{flex-wrap:wrap;gap:6px;padding:10px 12px}.board-tags{flex-wrap:wrap;order:10;width:100%}.board-search{flex:1;min-width:100px}.columns-wrap{gap:12px;padding:12px 8px}.column{min-width:240px!important;max-width:280px!important}.notes-wrap{flex-direction:column}.notes-panel-list{border-bottom:1px solid var(--border);max-height:200px;border-right:none!important;width:100%!important}.notes-panel-editor{flex:1}}@media (width<=480px){.board-header{padding:8px 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kbd{color:var(--text);background:#0000004d;border:1px solid #ffffff1a;border-radius:8px;align-items:center;padding:8px 16px;font-family:Inter,monospace;font-size:13px;font-weight:600;display:inline-flex;box-shadow:0 2px #ffffff0d}.landing-markdown{text-align:center;padding:80px 24px}.landing-final-cta{text-align:center;padding:80px 24px 100px}.landing-footer{border-top:1px solid #ffffff0a;padding:24px}.landing-footer-inner{justify-content:space-between;align-items:center;max-width:1100px;margin:0 auto;display:flex}@media (width<=768px){.landing-features-grid{grid-template-columns:1fr}.landing-nav-links{display:none}.landing-hero{padding:120px 20px 40px}.landing-speed-inner{padding:32px 24px}.landing-mockup-board{gap:8px;padding:12px}.landing-mockup-col{min-width:160px}}@media (width<=480px){.landing-features-grid{gap:12px}.landing-feature-card{padding:20px}.landing-hero-title{font-size:32px}}