:root{--bg: #F7F7F7;--bg-deep: #EFEFEF;--bg-panel: #FFFFFF;--bg-elevated: #FFFFFF;--bg-subtle: #F2F2F2;--text: #1A1A1A;--text-bright: #000000;--text-dim: #4A4A4A;--text-muted: #9A9A9A;--accent: #000000;--accent-soft: rgba(0, 0, 0, .07);--teal: #2A2A2A;--teal-deep: #000000;--teal-glow: rgba(0, 0, 0, .12);--border: #E0E0E0;--border-subtle: #EBEBEB;--border-glow: rgba(0, 0, 0, .12);--border-active: #000000;--danger: #CC2929;--danger-soft: rgba(204, 41, 41, .12);--success: #1A6B3A;--success-soft:rgba(26, 107, 58, .12);--warning: #B85C00;--topbar-h: 60px;--sidebar-w: 300px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "SF Mono", "Fira Code", "Menlo", monospace;--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--ease-smooth: cubic-bezier(.4, 0, .2, 1);--shadow-sm: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 8px rgba(0,0,0,.1), 0 2px 4px rgba(0,0,0,.06);--shadow-lg: 0 12px 28px rgba(0,0,0,.12), 0 4px 8px rgba(0,0,0,.08);--shadow-xl: 0 24px 48px rgba(0,0,0,.14), 0 8px 16px rgba(0,0,0,.08);--shadow-glow: 0 0 0 3px rgba(0,0,0,.08)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden;font-family:var(--font);font-size:14px;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}button{font-family:var(--font);cursor:pointer;border:none;background:none;outline:none;color:inherit;transition:all .2s var(--ease-smooth)}input,textarea{font-family:var(--font);outline:none;border:none;background:none;color:var(--text);transition:all .2s var(--ease-smooth)}a{color:var(--accent);text-decoration:none;transition:all .2s ease}a:hover{color:var(--text-bright)}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#00000026;border-radius:10px;transition:background .2s ease}::-webkit-scrollbar-thumb:hover{background:#00000026;width:6px}.custom-scrollbar::-webkit-scrollbar{width:3px}.custom-scrollbar::-webkit-scrollbar-thumb{background:#00000026}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background:#00000026}*:hover::-webkit-scrollbar{width:6px}*:hover::-webkit-scrollbar-thumb{background:#00000026}.glass{background:#ffffffd9;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border);box-shadow:var(--shadow-md)}.glass-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-lg);position:relative}.glass-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;padding:1px;background:linear-gradient(135deg,rgba(0,0,0,.15) 0%,transparent 40%,transparent 60%,rgba(0,0,0,.15) 100%);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}.glass-btn{background:linear-gradient(135deg,#00000026,#00000026);border:1px solid rgba(0,0,0,.15);box-shadow:0 2px 8px #00000026,inset 0 1px #fff9;transition:all .25s var(--ease-smooth);position:relative;overflow:hidden}.glass-btn:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at center,rgba(0,0,0,.15) 0%,transparent 70%);opacity:0;transition:opacity .3s ease;pointer-events:none}.glass-btn:hover{background:linear-gradient(135deg,#00000026,#00000026);border-color:var(--border-active);box-shadow:0 4px 20px #00000026,0 0 40px #00000026;transform:translateY(-1px)}.glass-btn:hover:after{opacity:1}.glass-btn:active{transform:scale(.97);transition-duration:.1s}@keyframes cardSlideUp{0%{opacity:0;transform:translateY(30px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.view-fade-in{animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes popupSlideUp{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes progressShimmer{0%{left:-30%}to{left:100%}}@keyframes glowPulse{0%,to{box-shadow:0 0 8px #00000026}50%{box-shadow:0 0 20px #00000026,0 0 40px #00000026}}@keyframes shimmer{0%{background-position:-200% center}to{background-position:200% center}}@keyframes breathe{0%,to{box-shadow:0 0 8px #00000026,0 0 20px #00000026}50%{box-shadow:0 0 16px #00000026,0 0 40px #00000026}}@keyframes slideInRight{0%{opacity:0;transform:translate(16px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes ripple{0%{transform:scale(0);opacity:.5}to{transform:scale(4);opacity:0}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes toastIn{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes toastOut{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(20px) scale(.95)}}@keyframes checkmark{0%{transform:scale(0) rotate(-45deg)}50%{transform:scale(1.2) rotate(-45deg)}to{transform:scale(1) rotate(0)}}@keyframes progressFill{0%{width:0}}@keyframes fabPulse{0%,to{box-shadow:0 4px 20px #00000026}50%{box-shadow:0 4px 30px #00000026,0 0 60px #00000026}}.screen{display:none;height:100vh;position:relative;z-index:1;animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.screen.active{display:flex;flex-direction:column}#loginScreen.screen.active{align-items:center;justify-content:center;background:#f5f5f5}.login-card-classic{width:360px;background:#fff;border-radius:16px;padding:32px;display:flex;flex-direction:column;align-items:center;text-align:center;box-shadow:0 12px 40px #00000014}.login-icon-box{width:48px;height:48px;background:#000;color:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:24px}.login-title-classic{font-size:18px;font-weight:800;color:#000;letter-spacing:2px;margin-bottom:8px}.login-sub-classic{font-size:11px;color:#888;letter-spacing:1px;margin-bottom:32px;text-transform:uppercase}.login-input-wrap{width:100%;margin-bottom:16px}.classic-input{width:100%;height:44px;padding:0 16px;background:#fff;border:2px solid #DDDDDD;border-radius:8px;font-size:14px;color:#000;font-weight:600;text-align:center;transition:all .2s}.classic-input:focus{outline:none;border-color:#000}.login-btn-classic{width:100%;padding:14px;background:#000;color:#fff;border:none;border-radius:12px;font-size:14px;font-weight:600;letter-spacing:1.5px;cursor:pointer;transition:all .3s cubic-bezier(.165,.84,.44,1);box-shadow:0 4px 12px #0000001a}.login-btn-classic:hover{background:#222;transform:translateY(-2px);box-shadow:0 8px 24px #0003}.login-btn-classic:active{transform:scale(.98)}.login-divider{width:100%;display:flex;align-items:center;gap:12px;margin:22px 0 16px;color:#b5b5b5;font-size:10px;font-weight:700;letter-spacing:1.5px}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:#ececec}.login-tools-btn{width:100%;display:flex;align-items:center;gap:12px;padding:12px 16px;background:#fff;border:1.5px solid #000000;border-radius:12px;color:#000;font:inherit;text-align:left;cursor:pointer;transition:all .25s cubic-bezier(.165,.84,.44,1);box-shadow:0 2px #000}.login-tools-btn:hover{transform:translate(-1px,-1px);box-shadow:0 4px #000;background:#fafafa}.login-tools-btn:active{transform:translateY(1px);box-shadow:0 1px #000}.login-tools-btn-icon{width:36px;height:36px;border-radius:9px;background:#000;color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}.login-tools-btn-text{display:flex;flex-direction:column;flex:1;line-height:1.15}.login-tools-btn-text strong{font-size:12.5px;font-weight:700;letter-spacing:1.5px}.login-tools-btn-text small{font-size:10.5px;color:#888;font-weight:500;letter-spacing:.5px;margin-top:3px}.login-tools-btn-arrow{font-size:18px;font-weight:600;color:#000;transition:transform .25s ease;flex-shrink:0}.login-tools-btn:hover .login-tools-btn-arrow{transform:translate(4px)}#toolsScreen.screen.active{align-items:stretch;justify-content:flex-start;background:#f5f5f5;overflow-y:auto}.tools-page{width:100%;max-width:1080px;margin:0 auto;padding:32px 28px 56px}.tools-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:32px}.tools-back{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid #E0E0E0;color:#333;font:inherit;font-size:13px;font-weight:600;padding:8px 14px;border-radius:999px;cursor:pointer;transition:all .18s ease;box-shadow:0 1px 3px #0000000a}.tools-back:hover{border-color:#000;transform:translate(-2px)}.tools-title-wrap{text-align:center;flex:1}.tools-title{font-size:22px;font-weight:800;letter-spacing:3px;color:#000;margin:0 0 4px}.tools-sub{font-size:10.5px;color:#888;letter-spacing:1.5px;margin:0;text-transform:uppercase}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.tool-card{position:relative;background:#fff;border:1px solid #ECECEC;border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:14px;cursor:pointer;text-decoration:none;color:inherit;transition:all .22s cubic-bezier(.165,.84,.44,1);box-shadow:0 1px 3px #00000008;min-height:160px}.tool-card:hover:not(.disabled){transform:translateY(-3px);box-shadow:0 10px 28px #00000014;border-color:#000}.tool-card.disabled{cursor:not-allowed;background:#fafafa;color:#999}.tool-card.disabled .tool-card-icon{background:#efefef;color:#bbb}.tool-card.disabled h3{color:#888}.tool-card.disabled p{color:#aaa}.tool-card-icon{width:44px;height:44px;border-radius:11px;background:#000;color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}.tool-card-body h3{margin:0 0 6px;font-size:15px;font-weight:700;letter-spacing:-.01em;color:#111}.tool-card-body p{margin:0;font-size:12.5px;color:#666;line-height:1.5}.tool-card-tag{position:absolute;top:14px;right:14px;font-size:10px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;padding:3px 8px;border-radius:999px}.tool-card-tag.live{background:#e8f5ec;color:#1e7a3e}.tool-card-tag.soon{background:#f0f0f0;color:#888}.tools-footer{text-align:center;color:#888;font-size:12px;margin:40px 0 0}.tools-footer strong{color:#111;font-weight:600}@media (max-width: 600px){.tools-page{padding:20px 14px 40px}.tools-title{font-size:18px;letter-spacing:2px}.tools-grid{grid-template-columns:1fr}}@media (max-width: 768px){.note-editor{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--bg-card);z-index:1000}}.tree-action-btn.primary{color:var(--teal)!important;opacity:1!important}.tree-action-btn.primary:hover{background:#0080801a!important;transform:scale(1.1)}.tree-folder.active{background:#00000008!important}.nav-item:hover,.tree-folder-hd:hover{background:#00000005!important}.uncategorized-group{margin-top:10px;padding-top:10px;border-top:1px solid rgba(0,0,0,.05)}.editor-toolbar{display:flex!important;align-items:center;gap:6px;padding:0 36px!important;min-height:52px!important;max-height:52px!important;border-top:1px solid var(--border);border-bottom:2px solid #000000!important;flex-shrink:0;background:#fff!important;position:sticky;top:0;z-index:1000!important}.toolbar-group{display:flex;align-items:center;gap:2px}.toolbar-sep-v{width:1px;height:20px;background:var(--border);margin:0 4px;flex-shrink:0;opacity:.7}.topbar{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--topbar-h);display:flex;align-items:center;justify-content:space-between;padding:0 22px;gap:12px;background:var(--bg-panel);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm)}.topbar-brand{display:flex;align-items:center;gap:8px;min-width:80px}.topbar-brand span{font-size:14px;font-weight:700;color:var(--accent);letter-spacing:.2em}.topbar-tabs{display:flex;align-items:center;gap:4px;background:#0000000a;border-radius:10px;padding:3px}.topbar-tab{display:flex;align-items:center;gap:8px;padding:6px 16px;border-radius:8px;font-size:11px;font-weight:600;color:var(--text-dim);letter-spacing:.5px;transition:all .2s var(--ease-smooth);cursor:pointer}.topbar-tab i,.topbar-tab svg{width:14px!important;height:14px!important;opacity:.7;stroke-width:1.8px;transition:all .2s ease}.topbar-tab.active{background:#fff;color:var(--accent);box-shadow:0 1px 3px #0000001a}.topbar-tab.active i,.topbar-tab.active svg{opacity:1;color:var(--accent);stroke-width:2px}.topbar-tab:hover:not(.active){background:#0000000d}.toolbar-btn i,.toolbar-btn svg{width:15px!important;height:15px!important;color:#4a4a4a;stroke-width:2px}.toolbar-btn:hover i,.toolbar-btn:hover svg{color:#000}.topbar-end{display:flex;align-items:center;gap:4px;min-width:80px;justify-content:flex-end}.online-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:999px;background:#30d15824;border:1px solid rgba(48,209,88,.35);color:#2f7d4a;font-size:11.5px;font-weight:700;letter-spacing:.3px;white-space:nowrap}.online-badge .online-dot{width:7px;height:7px;border-radius:50%;background:#30d158;box-shadow:0 0 #30d15899;animation:onlinePulse 2s infinite}.online-badge .online-label{font-weight:600;opacity:.85}@keyframes onlinePulse{0%{box-shadow:0 0 #30d1588c}70%{box-shadow:0 0 0 6px #30d15800}to{box-shadow:0 0 #30d15800}}.topbar-icon-btn{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;color:var(--text-dim);transition:all .2s var(--ease-smooth)}.topbar-icon-btn:hover{background:#00000026;color:var(--teal);box-shadow:0 0 12px #00000026}.mobile-only{display:none}.workspace{display:flex;flex-direction:row;flex:1;height:calc(100vh - var(--topbar-h));margin-top:var(--topbar-h);overflow:hidden;position:relative;z-index:1}.main-panel{flex:1;height:100%;background:var(--bg);display:flex;flex-direction:column;overflow:hidden;position:relative;min-width:0}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:40px;text-align:center;animation:fadeIn .4s var(--ease-out)}.empty-icon{margin-bottom:8px;opacity:.8;color:var(--accent)}.empty-title{font-size:16px;font-weight:500;color:var(--text-bright);letter-spacing:.01em}.empty-subtitle{font-size:13px;color:var(--text-dim);margin-top:-4px}.empty-icon{position:relative;margin-bottom:4px}.empty-icon-pulse{position:absolute;top:-8px;right:-8px;bottom:-8px;left:-8px;border-radius:50%;opacity:0;background:#00000026;animation:breathe 3s ease-in-out infinite}.btn-accent{display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:8px;font-size:12px;font-weight:600;letter-spacing:.8px;color:#fff;background:#000;box-shadow:0 2px 8px #0003;transition:all .2s var(--ease-smooth);position:relative;overflow:hidden}.btn-accent:hover{background:#222;box-shadow:0 4px 16px #00000040;transform:translateY(-1px)}.btn-accent:active{transform:scale(.97)}.note-editor{display:flex;flex-direction:column;height:100%;overflow:hidden;animation:fadeIn .3s var(--ease-out)}.editor-bar{display:flex;align-items:center;justify-content:space-between;padding:10px 36px;border-bottom:1px solid rgba(0,0,0,.15);flex-shrink:0;gap:8px;background:#0000000d}.editor-folder-tag{font-size:10px;font-weight:600;color:var(--teal);background:#00000026;border:1px solid rgba(0,0,0,.15);padding:4px 12px;border-radius:6px;letter-spacing:.8px;text-transform:uppercase;font-family:var(--font-mono);transition:all .2s ease}.editor-folder-tag:hover{background:#00000026;border-color:#00000026}.editor-bar-actions{display:flex;align-items:center;gap:4px}.editor-bar-btn{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:8px;font-size:11px;font-weight:600;color:var(--text-dim);background:#fff9;border:1px solid rgba(0,0,0,.15);transition:all .2s var(--ease-smooth)}.editor-bar-btn:hover{background:#00000026;border-color:#00000026;color:var(--text)}.editor-bar-btn.danger{padding:6px 10px}.editor-bar-btn.danger:hover{background:var(--danger-soft);color:var(--danger);border-color:#ff6b6b33}.toolbar-btn{width:32px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:7px;color:var(--text-dim);transition:all .15s var(--ease-smooth);font-size:13px;font-weight:600;position:relative}.tree-note-actions{display:none;margin-left:auto;padding-right:8px}.tree-note:hover .tree-note-actions{display:flex;gap:4px}.tree-action-btn.small{width:20px;height:20px;padding:0;display:flex;align-items:center;justify-content:center;background:#00000008;border:1px solid rgba(0,0,0,.05);border-radius:4px;opacity:.6}.tree-action-btn.small:hover{opacity:1;background:#00000014}.toolbar-btn:hover{color:var(--text-bright);box-shadow:var(--shadow-sm)}.toolbar-btn:active{transform:scale(.9);transition-duration:.08s}.toolbar-btn.active{background:var(--bg-subtle);color:var(--text-bright);box-shadow:var(--shadow-sm);border:1px solid var(--border)}.toolbar-sep{width:1px;height:18px;background:#00000026;margin:0 6px}.editor-title{font-size:clamp(24px,4vw,30px);font-weight:700;color:var(--text-bright);letter-spacing:-.025em;width:100%;padding:28px 40px 8px;flex-shrink:0;line-height:1.2;border:none;outline:none;background:transparent}.editor-title::placeholder{color:var(--text-dim);opacity:.5}.editor-body{flex:1;font-size:15px;line-height:1.85;color:var(--text);padding:12px 40px 36px;resize:none;overflow-y:auto;letter-spacing:.005em;border:none;outline:none;background:transparent}.editor-body:empty:before{content:attr(data-placeholder);color:var(--text-dim);opacity:1;pointer-events:none;display:block;filter:brightness(.85)}.editor-body img{max-width:100%;border-radius:8px;cursor:nwse-resize;box-shadow:var(--shadow-sm);display:inline-block}.image-resizer{position:absolute;border:2px solid var(--accent);pointer-events:none;z-index:100}.resize-handle{position:absolute;width:10px;height:10px;background:#fff;border:2px solid var(--accent);border-radius:50%;pointer-events:auto;z-index:101}.resize-handle.top-left{top:-6px;left:-6px;cursor:nwse-resize}.resize-handle.top-right{top:-6px;right:-6px;cursor:nesw-resize}.resize-handle.bottom-left{bottom:-6px;left:-6px;cursor:nesw-resize}.resize-handle.bottom-right{bottom:-6px;right:-6px;cursor:nwse-resize}.editor-footer{padding:8px 40px 12px;border-top:1px solid var(--border-subtle);flex-shrink:0;display:flex;align-items:center;justify-content:space-between;background:var(--bg-subtle)}.save-status{font-size:11px;color:var(--text-dim);font-family:var(--font-mono);letter-spacing:.3px}.editor-meta{font-size:10px;color:var(--text-dim);font-family:var(--font-mono)}.files-view{display:flex;flex-direction:column;height:100%;overflow:hidden}.files-view-header{padding:16px 28px 12px;border-bottom:1px solid rgba(0,0,0,.15);flex-shrink:0}.files-count{font-size:11px;font-weight:700;color:var(--teal);letter-spacing:1px;text-transform:uppercase;font-family:var(--font-mono)}.files-grid{flex:1;overflow-y:auto;padding:18px;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;align-content:start}.folder-grid-header{grid-column:1 / -1;font-size:10px;font-weight:700;color:var(--teal);padding:10px 0 6px;display:flex;align-items:center;gap:6px;letter-spacing:1.5px;text-transform:uppercase;font-family:var(--font-mono)}.file-card{border-radius:14px;padding:16px;background:#fff9;border:1px solid rgba(0,0,0,.15);transition:all .3s var(--ease-smooth);position:relative}.file-card:hover{background:#fff9;border-color:#00000026;box-shadow:0 8px 24px #0000000d,0 0 0 1px #00000026;transform:translateY(-3px)}.file-card-info{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px}.file-card-icon{flex-shrink:0;width:38px;height:38px;display:flex;align-items:center;justify-content:center;background:#00000026;border:1px solid rgba(0,0,0,.15);border-radius:10px;transition:all .2s ease}.file-card:hover .file-card-icon{background:#00000026;border-color:#00000026}.file-card-details{flex:1;min-width:0}.file-card-name{font-size:13px;font-weight:600;color:var(--text);word-break:break-word;line-height:1.4;margin-bottom:4px}.file-card-meta{font-size:11px;color:var(--text-dim);font-family:var(--font-mono)}.file-card-actions{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.file-card-btn{font-size:10px;font-weight:600;padding:4px 10px;border-radius:6px;color:var(--text-dim);background:#fff9;border:1px solid rgba(0,0,0,.15);transition:all .2s var(--ease-smooth)}.file-card-btn:hover{background:#00000026;color:var(--text);border-color:#00000026}.file-card-btn.danger:hover{background:var(--danger-soft);color:var(--danger);border-color:#ff6b6b33}.files-empty{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;gap:10px}.files-empty-title{font-size:14px;font-weight:600;color:var(--text-bright)}.files-empty-sub{font-size:12px;color:var(--text-dim)}.sidebar{width:var(--sidebar-w);flex-shrink:0;display:flex;flex-direction:column;height:100%;position:relative;z-index:10;overflow:hidden;background:var(--bg-panel);backdrop-filter:blur(32px) saturate(140%);-webkit-backdrop-filter:blur(32px) saturate(140%);border-left:1px solid rgba(0,0,0,.15);box-shadow:var(--shadow-md)}.sidebar-top{padding:16px 14px 12px;border-bottom:1px solid rgba(0,0,0,.15);flex-shrink:0;position:relative;z-index:1}.sidebar-actions{display:flex;align-items:center;gap:6px;margin-bottom:12px}.btn-new-note{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:10px 14px;border-radius:8px;font-size:12px;font-weight:600;letter-spacing:.5px;color:#fff;background:#000;box-shadow:0 2px 8px #0000002e;transition:all .2s var(--ease-smooth);flex:1}.btn-new-note:hover{background:#222;box-shadow:0 4px 14px #00000038;transform:translateY(-1px)}.btn-new-note:active{transform:scale(.97)}.btn-ghost-icon{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;color:var(--text-dim);background:#fff9;border:1px solid rgba(0,0,0,.15);transition:all .2s var(--ease-smooth);flex-shrink:0}.btn-ghost-icon:hover{background:#00000026;color:var(--teal);border-color:#00000026;box-shadow:0 0 12px #00000026}.sidebar-search{position:relative;margin-bottom:12px}.sidebar-search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);pointer-events:none;color:var(--text-dim);transition:color .2s ease}.sidebar-search:focus-within .sidebar-search-icon{color:var(--teal)}.sidebar-search-input{width:100%;padding:9px 12px 9px 32px;background:var(--bg-subtle);border:1px solid rgba(0,0,0,.15);border-radius:10px;font-size:13px;color:var(--text);transition:all .25s var(--ease-smooth)}.sidebar-search-input:focus{border-color:#00000026;box-shadow:0 0 0 3px #00000026,0 0 16px #00000026;background:var(--bg-subtle)}.sidebar-search-input::placeholder{color:var(--text-dim)}.sidebar-section-info{display:flex;align-items:center;justify-content:space-between;padding:2px 4px 0}.sidebar-section-title{font-size:10px;font-weight:700;color:var(--teal);letter-spacing:1.5px;font-family:var(--font-mono)}.sidebar-section-count{font-size:10px;color:var(--text-dim);background:#00000026;border:1px solid rgba(0,0,0,.15);padding:2px 8px;border-radius:8px;font-family:var(--font-mono);transition:all .2s ease}.sidebar-nav{flex:1;overflow-y:auto;padding:10px 8px 14px;position:relative;z-index:1}.tree-folder{border-radius:10px;margin-bottom:2px;border:1.5px solid transparent;transition:all .25s var(--ease-smooth)}.tree-folder.drag-over{border-color:#00000026;background:#00000026;box-shadow:0 0 20px #00000026,inset 0 0 12px #00000026}.tree-folder-hd{display:flex;align-items:center;gap:6px;padding:8px 10px;border-radius:8px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .2s var(--ease-smooth);position:relative}.tree-folder-hd:hover{background:#00000026}.tree-folder-hd:hover .tree-folder-count{display:none}.tree-folder-hd:hover .tree-folder-actions{opacity:1}.tree-chevron{flex-shrink:0;color:var(--teal);opacity:.6;transition:transform .3s var(--ease-smooth),opacity .2s ease}.tree-chevron.expanded{transform:rotate(90deg);opacity:.9}.tree-folder-icon{flex-shrink:0;transition:transform .2s ease}.tree-folder-hd:hover .tree-folder-icon{transform:scale(1.05)}.tree-folder-name{font-size:13px;font-weight:600;color:var(--text);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tree-lock-badge{flex-shrink:0;color:var(--text-dim);transition:color .2s ease}.tree-folder-count{font-size:10px;color:var(--teal);background:#00000026;padding:1px 7px;border-radius:8px;flex-shrink:0;font-family:var(--font-mono)}.tree-folder-actions{display:flex;align-items:center;gap:1px;opacity:0;transition:opacity .2s var(--ease-smooth);flex-shrink:0}.tree-action-btn{width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;color:var(--text-dim);transition:all .15s var(--ease-smooth)}.tree-action-btn:hover{background:#00000026;color:var(--teal)}.tree-action-btn.danger:hover{background:var(--danger-soft);color:var(--danger)}.tree-folder-notes{padding-left:16px;padding-bottom:6px;overflow:hidden}.tree-folder-locked-hint{padding:3px 8px 6px 30px;font-size:11px;color:var(--text-dim);font-style:italic}.tree-empty-hint{padding:6px 8px;font-size:11px;color:var(--text-dim);font-style:italic}.tree-uncat{margin-top:12px}.tree-uncat-section{margin-top:16px;border-top:1px solid var(--border);padding-top:12px}.tree-uncat-hd{display:flex;align-items:center;gap:6px;padding:5px 10px;border-radius:8px;margin-bottom:4px;cursor:default}.tree-uncat-hd:hover{background:#00000008}.tree-uncat-hd:hover .tree-folder-actions{opacity:1!important}.tree-uncat-hd>span:first-of-type{font-size:10px;font-weight:700;color:var(--text-dim);text-transform:uppercase;letter-spacing:1.5px;flex:1;font-family:var(--font-mono)}.tree-uncat-hd svg{flex-shrink:0}.tree-drop-target{border:1.5px solid transparent;transition:all .25s var(--ease-smooth)}.tree-drop-target.drag-over{border-color:#00000026;background:#00000026;border-radius:10px;box-shadow:0 0 20px #00000026}.tree-note{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:8px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .2s var(--ease-smooth);margin-bottom:1px;border-left:2px solid transparent;animation:slideInRight .2s var(--ease-out) both}.tree-note:hover{background:#0000000d;border-left-color:#0000004d;transform:translate(2px)}.tree-note.active{background:#00000014;border-left-color:var(--accent);box-shadow:var(--shadow-sm)}.tree-note-icon{flex-shrink:0;width:14px;height:14px}.tree-note-dot{flex-shrink:0;color:var(--text-dim);transition:all .2s ease}.tree-note.active .tree-note-dot{color:var(--accent)}.tree-note:hover .tree-note-dot{color:var(--teal)}.tree-note-name{font-size:13px;color:var(--text);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500;transition:color .2s ease}.tree-note:hover .tree-note-name{color:var(--text-bright)}.tree-note.active .tree-note-name{color:var(--accent);font-weight:600}.tree-note-time{font-size:10px;color:var(--text-dim);flex-shrink:0;font-family:var(--font-mono)}.tree-note.dragging{opacity:.3;transform:scale(.96)}.tree-file{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:8px;cursor:default;-webkit-user-select:none;user-select:none;transition:all .2s var(--ease-smooth);margin-bottom:1px}.tree-file:hover{background:#0000000d}.tree-file-icon{flex-shrink:0;transition:transform .2s ease}.tree-file:hover .tree-file-icon{transform:scale(1.05)}.tree-file-actions{display:flex;align-items:center;gap:1px;margin-left:auto;opacity:0;transition:opacity .2s var(--ease-smooth);flex-shrink:0}.tree-file:hover .tree-file-actions{opacity:1}.tree-file.dragging{opacity:.3}.sidebar-foot{padding:12px 16px;border-top:1px solid var(--border);flex-shrink:0;position:relative;z-index:1}.sidebar-foot-user{display:flex;align-items:center;justify-content:space-between}.user-avatar-wrap{position:relative;display:inline-flex}.user-avatar{width:30px;height:30px;border-radius:50%;background:#00000026;border:1px solid rgba(0,0,0,.15);display:flex;align-items:center;justify-content:center;transition:all .2s ease}.user-avatar:hover{border-color:#00000026;box-shadow:0 0 12px #00000026}.sync-dot{position:absolute;bottom:-1px;right:-1px;width:8px;height:8px;border-radius:50%;background:var(--success);border:2px solid var(--bg-panel);box-shadow:0 0 8px #4ade8080}.logout-btn{display:flex;align-items:center;gap:5px;font-size:10px;font-weight:700;color:var(--text-dim);padding:6px 10px;border-radius:8px;transition:all .2s var(--ease-smooth);letter-spacing:1px;font-family:var(--font-mono)}.logout-btn:hover{background:#ff64640f;color:var(--danger)}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:9;background:#00000080;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.sidebar-overlay.active{display:block;animation:fadeIn .2s ease}.modal-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:var(--bg-subtle);-webkit-backdrop-filter:blur(8px) saturate(120%);backdrop-filter:blur(8px) saturate(120%);align-items:center;justify-content:center}.modal-overlay.active{display:flex;animation:fadeIn .15s ease}.modal-card{background:linear-gradient(135deg,#fff9,#fff9);-webkit-backdrop-filter:blur(40px) saturate(150%);backdrop-filter:blur(40px) saturate(150%);border:1px solid rgba(0,0,0,.15);border-radius:20px;width:380px;max-width:calc(100vw - 32px);box-shadow:var(--shadow-lg),0 0 0 1px #fff9 inset;overflow:hidden;animation:scaleIn .3s var(--ease-spring);position:relative}.modal-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;padding:1px;background:linear-gradient(135deg,rgba(0,0,0,.15) 0%,transparent 50%);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px 14px;border-bottom:1px solid rgba(0,0,0,.15)}.modal-title{font-size:13px;font-weight:700;color:var(--text-bright);letter-spacing:1.5px}.modal-close{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;color:var(--text-dim);transition:all .15s var(--ease-smooth)}.modal-close:hover{background:#00000026;color:var(--text)}.modal-body{padding:10px;max-height:340px;overflow-y:auto}.folder-option{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;cursor:pointer;transition:all .2s var(--ease-smooth);border:1px solid transparent}.folder-option:hover{background:#00000026;border-color:#00000026;transform:translate(4px)}.folder-option.active{background:#00000026;border-color:#00000026}.folder-option-text{font-size:13px;color:var(--text);font-weight:500}.loading-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:999;background:var(--bg-subtle);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);align-items:center;justify-content:center}.loading-overlay.active{display:flex}.spinner{width:32px;height:32px;border:2px solid rgba(0,0,0,.15);border-top-color:var(--accent);border-radius:50%;animation:spin .75s linear infinite}.upload-toast{display:none;position:fixed;bottom:24px;right:24px;z-index:500;background:#fff9;border:1px solid rgba(0,0,0,.15);border-radius:14px;box-shadow:var(--shadow-lg);padding:14px 20px;min-width:260px;flex-direction:column;gap:10px;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);animation:popupSlideUp .35s var(--ease-spring)}.upload-toast.active{display:flex}.upload-track{height:2px;background:#00000026;border-radius:2px;overflow:hidden;position:relative}.upload-fill{height:100%;width:30%;background:linear-gradient(90deg,var(--teal),var(--accent));border-radius:2px;position:absolute;animation:progressShimmer 1s ease infinite}.upload-text{font-size:11px;color:var(--teal);font-weight:600;font-family:var(--font-mono)}.fab{display:none;position:fixed;bottom:24px;right:24px;z-index:150;width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--teal));color:#fff;align-items:center;justify-content:center;box-shadow:0 4px 20px #00000026;transition:all .25s var(--ease-smooth);animation:fabPulse 3s ease-in-out infinite}.fab:hover{box-shadow:0 8px 32px #00000026,0 0 60px #00000026;transform:translateY(-3px) scale(1.05)}.fab:active{transform:scale(.92);animation:none}.ghost-dragging{opacity:.65;pointer-events:none;border:1px solid rgba(0,0,0,.15)!important;border-radius:10px;box-shadow:var(--shadow-lg);transform:rotate(1.5deg) scale(1.02);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.todo-view{display:flex;flex-direction:column;height:100%;overflow:hidden;animation:fadeIn .3s var(--ease-out)}.todo-header{padding:20px 36px 16px;border-bottom:1px solid rgba(0,0,0,.15);flex-shrink:0;display:flex;flex-direction:column;gap:14px}.todo-progress{width:100%;height:3px;background:#00000026;border-radius:3px;overflow:hidden;position:relative}.todo-progress-fill{height:100%;background:linear-gradient(90deg,var(--teal),var(--accent));border-radius:3px;transition:width .5s var(--ease-smooth);box-shadow:0 0 8px #00000026;animation:progressFill .6s var(--ease-out)}.todo-count{font-size:11px;color:var(--text-dim);font-family:var(--font-mono);letter-spacing:.5px}.todo-filters{display:flex;align-items:center;gap:4px}.todo-filter{padding:5px 14px;border-radius:8px;font-size:11px;font-weight:600;color:var(--text-dim);letter-spacing:.5px;transition:all .2s var(--ease-smooth);background:transparent;border:1px solid transparent}.todo-filter:hover{color:var(--text-bright);background:var(--bg-subtle);border-color:var(--border)}.todo-filter.active{color:#fff;background:#000;border-color:#000;box-shadow:0 4px 12px #00000026}.todo-input-wrap{display:flex;align-items:center;gap:8px;padding:0 36px;margin:16px 0 8px;flex-shrink:0}.todo-input{flex:1;padding:11px 16px;background:var(--bg-subtle);border:1px solid rgba(0,0,0,.15);border-radius:12px;font-size:14px;color:var(--text);transition:all .25s var(--ease-smooth)}.todo-input:focus{border-color:#00000026;box-shadow:0 0 0 3px #00000026;background:var(--bg-subtle)}.todo-input::placeholder{color:var(--text-dim)}.todo-add-btn{padding:10px 18px;border-radius:9999px;font-size:12px;font-weight:600;letter-spacing:.5px;color:#fff;background:linear-gradient(135deg,var(--accent),var(--teal));box-shadow:0 2px 10px #00000026;transition:all .25s var(--ease-smooth);flex-shrink:0}.todo-add-btn:hover{box-shadow:0 4px 16px #00000026;transform:translateY(-1px)}.todo-add-btn:active{transform:scale(.97)}.todo-list{flex:1;overflow-y:auto;padding:12px 36px 24px;display:flex;flex-direction:column;gap:4px}.todo-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;background:#fff9;border:1px solid rgba(0,0,0,.15);transition:all .25s var(--ease-smooth);cursor:default;animation:slideUp .25s var(--ease-out) both;position:relative}.todo-item:hover{background:#fff9;border-color:#00000026}.todo-item:hover .todo-delete{opacity:1}.todo-item.completed{opacity:.5}.todo-item.completed:hover{opacity:.65}.todo-item.dragging{opacity:.4;transform:scale(.98);box-shadow:0 8px 24px #00000014;border-color:#00000026}.todo-checkbox-label{display:flex;align-items:center;flex-shrink:0;cursor:pointer}.todo-checkbox-input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}.todo-checkbox{width:20px;height:20px;border-radius:6px;border:2px solid rgba(0,0,0,.15);background:transparent;display:flex;align-items:center;justify-content:center;flex-shrink:0;cursor:pointer;transition:all .2s var(--ease-smooth)}.todo-checkbox:hover{border-color:#00000026;background:#00000026}.todo-checkbox.checked{background:linear-gradient(135deg,var(--accent),var(--teal));border-color:transparent;box-shadow:0 0 10px #00000026}.todo-checkbox.checked:after{content:"";width:5px;height:9px;border:2px solid var(--bg);border-top:none;border-left:none;transform:rotate(45deg) translateY(-1px)}.todo-text{flex:1;font-size:14px;color:var(--text);line-height:1.4;transition:all .2s ease}.todo-text.completed{text-decoration:line-through;text-decoration-color:#00000026;color:var(--text-dim)}.todo-delete{opacity:.8;display:inline-flex;align-items:center;gap:4px;padding:6px 14px;border-radius:8px;font-size:11px;font-weight:600;letter-spacing:.3px;color:#000;border:1px solid #000000;background:#fff;transition:all .2s var(--ease-smooth);flex-shrink:0;white-space:nowrap}.todo-delete:hover{background:#000;color:#fff;opacity:1;transform:translateY(-1px);box-shadow:0 4px 10px #0000001a}.todo-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:60px 20px;text-align:center;color:var(--text-dim);font-size:13px}.todo-sidebar-item{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:8px;cursor:default;transition:all .15s var(--ease-smooth);margin-bottom:1px}.todo-sidebar-item:hover{background:#00000026}.todo-sidebar-item.completed{opacity:.5}.todo-sidebar-text{font-size:13px;color:var(--text);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.todo-sidebar-text.completed{text-decoration:line-through;text-decoration-color:#00000026;color:var(--text-dim)}.toast-container{position:fixed;bottom:28px;left:50%;transform:translate(-50%);z-index:1000;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none}.toast{display:flex;align-items:center;gap:10px;padding:12px 20px;border-radius:14px;font-size:13px;font-weight:500;color:#fff;background:#fff9;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border:1px solid rgba(0,0,0,.15);box-shadow:var(--shadow-lg);pointer-events:auto;animation:toastIn .35s var(--ease-spring);min-width:200px;max-width:400px}.toast.hiding{animation:toastOut .25s var(--ease-smooth) forwards}.toast.success{border-left:3px solid var(--success);box-shadow:var(--shadow-lg),0 0 20px #4ade800f}.toast.error{border-left:3px solid var(--danger);box-shadow:var(--shadow-lg),0 0 20px #ff6b6b0f}.toast.info{border-left:3px solid var(--accent);box-shadow:var(--shadow-lg),0 0 20px #00000026}.kbd{display:inline-flex;align-items:center;justify-content:center;padding:2px 7px;font-size:10px;font-weight:600;font-family:var(--font-mono);color:var(--text-dim);background:#fff9;border:1px solid rgba(0,0,0,.15);border-radius:5px;line-height:1.4;box-shadow:0 1px 2px #00000026,inset 0 -1px #0000001a;white-space:nowrap}.shimmer{background:linear-gradient(90deg,#fff9,#00000026,#fff9);background-size:200% 100%;animation:shimmer 2s ease infinite;border-radius:8px}@media (max-width: 768px){.mobile-only{display:inline-flex}.sidebar{position:fixed;top:var(--topbar-h);right:0;bottom:0;z-index:10;transform:translate(100%);transition:transform .35s var(--ease-smooth);background:var(--bg-panel);-webkit-backdrop-filter:blur(40px);backdrop-filter:blur(40px)}.sidebar.open{transform:translate(0)}.main-panel{width:100%}.fab{display:flex}.topbar-tabs{display:none}.editor-toolbar{padding:6px 18px}.editor-bar{padding:10px 20px}.editor-title{padding:22px 22px 6px}.editor-body{padding:10px 22px 28px}.editor-footer{padding:8px 22px 10px}.todo-header{padding:18px 22px 14px}.todo-input-wrap{padding:0 22px}.todo-list{padding:12px 22px 24px}}@media (max-width: 480px){.sidebar{width:280px}.login-card{width:calc(100vw - 32px);padding:40px 28px}.topbar{padding:0 14px}}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}::selection{background:#00000026;color:var(--text-bright)}:focus-visible{outline:2px solid rgba(0,0,0,.15);outline-offset:2px}#appScreen.zen-mode .sidebar,#appScreen.zen-mode .top-nav,#appScreen.zen-mode .list-panel,#appScreen.zen-mode .editor-bar,#appScreen.zen-mode .editor-toolbar,#appScreen.zen-mode .editor-footer{opacity:0;pointer-events:none;transition:opacity .4s ease}#appScreen.zen-mode .note-editor{max-width:760px;margin:0 auto;padding:80px 60px;transition:all .4s ease}#appScreen.zen-mode .editor-title{font-size:2rem;font-weight:700;border:none!important}#appScreen.zen-mode .editor-body{font-size:1.08rem;line-height:1.95}#appScreen.zen-mode:hover .editor-bar,#appScreen.zen-mode:hover .editor-footer{opacity:.35;pointer-events:auto}.editor-read-time{font-size:11px;color:var(--text-muted);margin-left:4px}