*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #161616;--bg-secondary: #1c1c1c;--bg-tertiary: #242424;--bg-elevated: #2a2a2a;--bg-hover: #303030;--border: #2e2e2e;--border-subtle: #262626;--text-primary: #e8e8e8;--text-secondary: #a0a0a0;--text-tertiary: #666;--text-muted: #555;--accent: #0d7377;--accent-hover: #0b6165;--accent-glow: #14ffec;--accent-subtle: rgba(13, 115, 119, .15);--danger: #c0392b;--danger-hover: #e74c3c;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--transition-fast: .15s ease;--transition-normal: .2s ease}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,sans-serif;height:100vh;height:100dvh;overflow:hidden;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#header-container{display:flex;align-items:center;background:var(--bg-secondary);border-bottom:1px solid var(--border);height:2.75rem;flex-shrink:0}#app{display:flex;height:calc(100dvh - 2.75rem)}#sidebar{width:280px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;transition:width .2s ease}.sidebar-header{padding:16px 20px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border)}.sidebar-header h1{font-size:15px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}#new-note-btn{width:32px;height:32px;border:none;background:var(--accent);color:#fff;border-radius:var(--radius-sm);cursor:pointer;font-size:18px;line-height:1;transition:background var(--transition-fast),transform var(--transition-fast)}#new-note-btn:hover{background:var(--accent-hover)}#new-note-btn:active{transform:scale(.92)}#boards-container{border-bottom:1px solid var(--border)}.boards-header{display:flex;justify-content:space-between;align-items:center;padding:10px 20px 6px}.boards-title{font-size:11px;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.06em}.board-add-btn{width:22px;height:22px;border:none;background:var(--bg-tertiary);color:var(--text-secondary);border-radius:4px;cursor:pointer;font-size:14px;line-height:1;transition:background var(--transition-fast)}.board-add-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.boards-list{display:flex;flex-wrap:wrap;gap:4px;padding:4px 16px 10px}.board-item{padding:4px 10px;cursor:pointer;border-radius:var(--radius-sm);display:flex;align-items:center;gap:4px;font-size:13px;color:var(--text-secondary);transition:background var(--transition-fast),color var(--transition-fast);white-space:nowrap}.board-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.board-item.active{background:var(--accent-subtle);color:var(--accent-glow)}.board-name{-webkit-user-select:none;user-select:none}.board-actions{display:flex;gap:2px;opacity:0;transition:opacity var(--transition-fast)}.board-item:hover .board-actions{opacity:1}.board-rename-btn,.board-delete-btn{background:none;border:none;color:var(--text-tertiary);font-size:12px;line-height:1;cursor:pointer;padding:1px 3px;border-radius:3px}.board-rename-btn:hover{color:#569cd6}.board-delete-btn:hover{color:var(--danger-hover)}.board-rename-input{border:1px solid var(--accent);border-radius:4px;padding:2px 6px;font-size:13px;font-family:inherit;outline:none;background:var(--bg-tertiary);color:var(--text-primary);width:80px}#notes-list{flex:1;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--bg-elevated) transparent}#notes-list::-webkit-scrollbar{width:6px}#notes-list::-webkit-scrollbar-track{background:transparent}#notes-list::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:3px}#notes-list::-webkit-scrollbar-thumb:hover{background:var(--bg-hover)}.note-item{padding:12px 20px;border-bottom:1px solid var(--border-subtle);cursor:pointer;transition:background var(--transition-fast);display:flex;justify-content:space-between;align-items:center;gap:8px}.note-item:hover{background:var(--bg-tertiary)}.note-item.active{background:var(--accent-subtle);border-left:3px solid var(--accent)}.note-item-content{flex:1;min-width:0}.note-item-title{font-weight:500;margin-bottom:4px;color:var(--text-primary);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.note-item.active .note-item-title{color:#fff}.note-item-preview{font-size:12px;color:var(--text-tertiary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.4}.note-item.active .note-item-preview{color:var(--text-secondary)}.note-move-btn{background:none;border:none;color:var(--text-secondary);font-size:1rem;line-height:1;cursor:pointer;padding:4px 6px;opacity:0;transition:opacity var(--transition-fast);flex-shrink:0;border-radius:var(--radius-sm)}.note-item:hover .note-move-btn{opacity:1}.note-move-btn:hover{background:var(--bg-hover)}.note-move-menu{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);min-width:10rem;max-height:15rem;overflow-y:auto;z-index:1000}.note-move-menu-header{padding:6px 14px 4px;font-size:11px;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.04em;border-top:1px solid var(--border-subtle)}.note-move-menu-header:first-child{border-top:none}.note-move-menu-item{padding:8px 14px 8px 22px;cursor:pointer;color:var(--text-primary);transition:background var(--transition-fast);font-size:13px}.note-move-menu-item:hover{background:var(--bg-hover)}.note-move-menu-item:first-child{border-top-left-radius:var(--radius-md);border-top-right-radius:var(--radius-md)}.note-move-menu-item:last-child{border-bottom-left-radius:var(--radius-md);border-bottom-right-radius:var(--radius-md)}#notes-list>div{padding:24px 16px;color:var(--text-muted);text-align:center;font-size:13px}#editor-container{flex:1;display:flex;flex-direction:column;background:var(--bg-primary);min-width:0}#note-header{padding:14px 24px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;background:var(--bg-secondary);gap:12px}#note-title{flex:1;border:none;font-size:20px;font-weight:600;outline:none;background:transparent;color:var(--text-primary);padding:4px 0;min-width:0}#note-title::placeholder{color:var(--text-muted)}.note-meta{display:flex;gap:10px;align-items:center;flex-shrink:0}#note-status{font-size:12px;color:var(--text-tertiary);padding:4px 10px;background:var(--bg-tertiary);border-radius:var(--radius-sm);white-space:nowrap}#delete-note-btn{padding:6px 14px;border:1px solid var(--danger);background:transparent;color:var(--danger);border-radius:var(--radius-sm);cursor:pointer;font-size:13px;transition:all var(--transition-fast);white-space:nowrap}#delete-note-btn:hover{background:var(--danger);color:#fff}#editor{flex:1;overflow:auto;background:var(--bg-primary);scrollbar-width:thin;scrollbar-color:var(--bg-elevated) transparent}#editor::-webkit-scrollbar{width:8px}#editor::-webkit-scrollbar-track{background:transparent}#editor::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:4px}#editor::-webkit-scrollbar-thumb:hover{background:var(--bg-hover)}.cm-editor{height:100%;background:var(--bg-primary)}.cm-scroller{font-family:JetBrains Mono,Fira Code,SF Mono,Monaco,Menlo,Consolas,monospace;font-size:15px;line-height:1.7;padding:24px}.cm-content{color:var(--text-primary);max-width:100%;text-wrap:wrap!important}.cm-line{color:var(--text-primary)}.cm-cursor{border-left-color:var(--accent-glow)}.cm-selectionBackground{background:#264f7899!important}.cm-activeLine,.cm-activeLineGutter{background:#ffffff06}.cm-gutters{background:var(--bg-secondary);border-right:1px solid var(--border);color:var(--text-muted)}.cm-header{color:#4ec9b0;font-weight:600}.cm-strong{color:#dcdcaa;font-weight:700}.cm-em{color:#ce9178;font-style:italic}.cm-link{color:#569cd6;text-decoration:underline}.cm-url{color:#569cd6}.cm-quote{color:#6a9955;font-style:italic}.cm-comment{color:#6a9955}.cm-meta{color:gray}.cm-monospace{background:var(--bg-tertiary);padding:2px 5px;border-radius:3px;color:#ce9178;font-family:JetBrains Mono,Fira Code,monospace}.cm-fat-cursor{background:#aaa!important}#walls{display:flex;flex-direction:row;align-items:center;font-weight:500;font-size:13px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none;padding:0 4px}#walls::-webkit-scrollbar{display:none}.wall-item{padding:6px 14px;cursor:pointer;border-radius:var(--radius-sm);display:flex;justify-content:space-between;align-items:center;gap:6px;position:relative;white-space:nowrap;transition:background var(--transition-fast)}.wall-item:hover{background:var(--bg-tertiary)}.wall-item.active{background:var(--accent-subtle);color:var(--accent-glow)}.wall-name{flex:1;-webkit-user-select:none;user-select:none}.wall-rename-btn,.wall-delete-btn{background:none;border:none;color:var(--text-tertiary);font-size:14px;line-height:1;cursor:pointer;padding:2px 4px;opacity:0;transition:opacity var(--transition-fast),color var(--transition-fast);border-radius:3px}.wall-item:hover .wall-rename-btn,.wall-item:hover .wall-delete-btn{opacity:1}.wall-rename-btn:hover{color:#569cd6}.wall-delete-btn:hover{color:var(--danger-hover)}.wall-rename-input{flex:1;border:1px solid var(--accent);border-radius:4px;padding:2px 6px;font-size:inherit;font-family:inherit;outline:none;background:var(--bg-tertiary);color:var(--text-primary)}.create-wall-btn{padding:5px 14px;background:var(--accent);color:#fff;margin-left:4px;border:none;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;font-weight:500;white-space:nowrap;transition:background var(--transition-fast)}.create-wall-btn:hover{background:var(--accent-hover)}#attachments-btn{padding:5px 12px;border:1px solid var(--border);background:transparent;color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);font-size:13px;transition:all var(--transition-fast);white-space:nowrap;flex-shrink:0}#attachments-btn:hover{border-color:var(--text-tertiary);color:var(--text-primary)}#attachments-menu{position:absolute;top:100px;right:120px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);padding:6px 0;width:200px;display:none;z-index:9999;box-shadow:var(--shadow-md)}.attachments-item{padding:10px 16px;color:var(--text-primary);cursor:pointer;transition:background var(--transition-fast);font-size:13px}.attachments-item:hover{background:var(--bg-hover)}.show{display:block!important}#login-screen{display:flex;align-items:center;justify-content:center;height:100vh;height:100dvh;background:var(--bg-primary);padding:20px}#login-form{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:48px 40px;width:100%;max-width:380px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--shadow-lg)}#login-form h1{text-align:center;color:var(--text-primary);font-size:26px;font-weight:700;margin-bottom:12px;letter-spacing:-.02em}#login-form input{padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-primary);color:var(--text-primary);font-size:15px;outline:none;transition:border-color var(--transition-normal),box-shadow var(--transition-normal)}#login-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-subtle)}#login-form input::placeholder{color:var(--text-muted)}#login-form button[type=submit]{padding:12px;border:none;border-radius:var(--radius-sm);background:var(--accent);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background var(--transition-normal),transform var(--transition-fast);margin-top:4px}#login-form button[type=submit]:hover{background:var(--accent-hover)}#login-form button[type=submit]:active{transform:scale(.98)}#login-error{display:none;color:var(--danger-hover);font-size:13px;text-align:center;padding:8px;background:#e74c3c1a;border-radius:var(--radius-sm)}#logout-btn{background:none;border:1px solid var(--border);color:var(--text-tertiary);padding:4px 14px;border-radius:var(--radius-sm);cursor:pointer;font-size:12px;margin-right:12px;margin-left:auto;white-space:nowrap;transition:all var(--transition-fast);flex-shrink:0}#logout-btn:hover{color:var(--text-primary);border-color:var(--text-tertiary)}#sidebar-collapse-btn{background:none;border:none;color:var(--text-tertiary);font-size:18px;cursor:pointer;padding:4px 12px;transition:color var(--transition-fast);flex-shrink:0;line-height:1}#sidebar-collapse-btn:hover{color:var(--text-primary)}#sidebar.collapsed{width:0;min-width:0;overflow:hidden;border-right:none}#sidebar{transition:transform .3s ease}#sidebar-toggle{display:none;position:fixed;bottom:24px;left:24px;width:52px;height:52px;border:none;background:var(--accent);color:#fff;border-radius:50%;cursor:pointer;font-size:22px;z-index:200;box-shadow:var(--shadow-md);transition:transform var(--transition-fast),background var(--transition-fast);align-items:center;justify-content:center}#sidebar-toggle:hover{background:var(--accent-hover);transform:scale(1.05)}#sidebar-toggle:active{transform:scale(.92)}#sidebar-overlay{display:none;position:fixed;inset:0;background:#0009;z-index:90;opacity:0;transition:opacity .3s ease;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}#sidebar-overlay.visible{opacity:1}#sidebar-overlay.active{display:block}@media(max-width:1024px){#sidebar{width:240px;min-width:240px}.sidebar-header{padding:14px 16px}#note-title{font-size:18px}.cm-scroller{padding:20px}#note-header{padding:12px 16px}}@media(max-width:767px){#app{flex-direction:column;height:calc(100dvh - 2.75rem)}#sidebar-collapse-btn{display:none}#sidebar.collapsed{width:85%;overflow:visible;border-right:1px solid var(--border)}#sidebar{position:fixed;top:2.75rem;left:0;bottom:0;width:85%;max-width:320px;min-width:auto;transform:translate(-100%);box-shadow:4px 0 24px #00000080;z-index:100}#sidebar.open{transform:translate(0)}#sidebar-toggle{display:flex}#editor-container{width:100%;height:100%}#note-header{padding:10px 16px;flex-wrap:wrap;gap:8px}#note-title{font-size:17px;width:100%;min-width:auto;order:1;padding:2px 0}#attachments-btn{order:2}.note-meta{order:3;flex:1;justify-content:flex-end}.note-item{padding:14px 20px;min-height:56px}.note-move-btn{opacity:1;padding:8px}#walls{padding:0 8px;overflow-x:auto;-webkit-overflow-scrolling:touch}.wall-item{padding:8px 14px}.wall-rename-btn,.wall-delete-btn{opacity:1}.cm-scroller{padding:16px;font-size:14px}.cm-gutters{display:none}#attachments-menu{position:fixed;inset:auto 16px 80px;width:auto;border-radius:var(--radius-lg)}.attachments-item{padding:14px 18px}#delete-note-btn{padding:6px 10px;font-size:12px}#note-status{font-size:11px;padding:3px 8px}#new-note-btn{width:36px;height:36px;min-width:36px}#login-form{padding:36px 28px;max-width:none;border-radius:var(--radius-md)}#login-form h1{font-size:24px}#logout-btn{padding:3px 10px;font-size:11px;margin-right:8px}}@media(max-width:479px){#sidebar{width:100%;max-width:none}.sidebar-header h1{font-size:14px}#note-title{font-size:16px}.note-item-title{font-size:13px}.note-item-preview{font-size:11px}.cm-scroller{font-size:13px;padding:12px}#sidebar-toggle{width:46px;height:46px;bottom:16px;left:16px;font-size:20px}.create-wall-btn{padding:4px 10px;font-size:12px}#attachments-btn{padding:4px 8px;font-size:12px}#login-form{padding:32px 20px}}@media(max-width:767px)and (orientation:landscape){#sidebar{width:50%;max-width:300px}#app{height:calc(100dvh - 2.75rem)}#note-header{flex-direction:row;flex-wrap:nowrap}#note-title{width:auto;flex:1;min-width:120px}}@media(hover:hover){.note-move-btn{opacity:0}.note-item:hover .note-move-btn{opacity:1}.wall-rename-btn,.wall-delete-btn{opacity:0}.wall-item:hover .wall-rename-btn,.wall-item:hover .wall-delete-btn{opacity:1}}@media(hover:none){.note-move-btn,.wall-rename-btn,.wall-delete-btn{opacity:1}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}@media(-webkit-min-device-pixel-ratio:2),(min-resolution:192dpi){#sidebar{border-right-width:.5px}#note-header,.note-item,#header-container{border-bottom-width:.5px}}.modal-overlay{position:fixed;inset:0;background:#000000b3;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:10000;padding:16px}.modal-container{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:500px;max-height:80vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow-lg)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border)}.modal-header h2{font-size:16px;font-weight:600;color:var(--text-primary);margin:0}.modal-close-btn{background:none;border:none;color:var(--text-tertiary);font-size:22px;cursor:pointer;padding:4px;line-height:1;transition:color var(--transition-fast);border-radius:var(--radius-sm)}.modal-close-btn:hover{color:var(--text-primary)}.modal-body{padding:16px 20px;overflow-y:auto;flex:1;scrollbar-width:thin;scrollbar-color:var(--bg-hover) transparent}.attachment-list{display:flex;flex-direction:column;gap:6px}.attachment-item{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--bg-tertiary);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast);border:1px solid transparent}.attachment-item:hover{background:var(--bg-hover);border-color:var(--border)}.attachment-icon{font-size:22px;flex-shrink:0}.attachment-info{flex:1;min-width:0}.attachment-name{font-size:13px;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attachment-meta{font-size:11px;color:var(--text-tertiary);margin-top:2px}.attachment-empty{text-align:center;padding:40px 20px;color:var(--text-tertiary);font-size:13px}.modal-viewer{max-width:900px;max-height:90vh}.viewer-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60%}.viewer-actions{display:flex;align-items:center;gap:10px}.viewer-download-btn{padding:6px 14px;background:var(--accent);color:#fff;text-decoration:none;border-radius:var(--radius-sm);font-size:13px;font-weight:500;transition:background var(--transition-fast)}.viewer-download-btn:hover{background:var(--accent-hover)}.viewer-content{display:flex;align-items:center;justify-content:center;min-height:300px}.viewer-image{max-width:100%;max-height:70vh;object-fit:contain;border-radius:var(--radius-sm)}.viewer-video{max-width:100%;max-height:70vh;border-radius:var(--radius-sm)}.viewer-audio{width:100%}.viewer-pdf{width:100%;height:70vh;border:none;border-radius:var(--radius-sm)}.viewer-unsupported{text-align:center;padding:40px;color:var(--text-tertiary)}.unsupported-icon{font-size:48px;display:block;margin-bottom:16px}.viewer-unsupported p{margin:8px 0}.unsupported-meta{font-size:12px;color:var(--text-muted)}.search-modal{max-width:600px;padding:0}.search-input-wrapper{padding:16px 20px;border-bottom:1px solid var(--border)}.search-input{width:100%;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;font-size:15px;color:var(--text-primary);outline:none;font-family:inherit;transition:border-color var(--transition-normal)}.search-input:focus{border-color:var(--accent)}.search-input::placeholder{color:var(--text-tertiary)}.search-results{max-height:400px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--bg-hover) transparent}.search-result-item{padding:12px 20px;cursor:pointer;border-bottom:1px solid var(--border-subtle);transition:background var(--transition-fast)}.search-result-item:hover,.search-result-item.selected{background:var(--bg-hover)}.search-result-title{font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:2px}.search-result-preview{font-size:12px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-result-context{font-size:11px;color:var(--text-tertiary);margin-top:4px}.search-empty{padding:40px 20px;text-align:center;color:var(--text-tertiary);font-size:13px}@media(max-width:767px){.modal-overlay{padding:8px}.modal-container{max-height:90vh;border-radius:var(--radius-md)}.modal-viewer{max-height:95vh}.modal-header{padding:14px 16px}.modal-body{padding:12px 16px}.attachment-item{padding:14px 12px}}.handwriting-modal{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;user-select:none;-webkit-user-select:none}.handwriting-overlay{position:absolute;inset:0;background:#000c;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.handwriting-container{position:relative;width:95vw;height:95vh;max-width:1400px;max-height:900px;background:#fff;border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);user-select:none;-webkit-user-select:none}.handwriting-toolbar{display:flex;align-items:center;gap:14px;padding:10px 16px;background:#f5f5f5;border-bottom:1px solid #ddd}.handwriting-toolbar button{padding:7px 16px;border:1px solid #ccc;background:#fff;border-radius:var(--radius-sm);cursor:pointer;font-size:14px;transition:all var(--transition-fast)}.handwriting-toolbar button:hover{background:#e9e9e9}.handwriting-toolbar button:active{transform:scale(.95)}#hw-close{font-size:20px;padding:4px 12px;margin-right:auto}#hw-save{background:var(--accent);color:#fff;border-color:var(--accent);margin-left:auto}#hw-save:hover{background:var(--accent-hover)}#hw-save:disabled{background:#ccc;cursor:not-allowed}.hw-tools{display:flex;align-items:center;gap:10px}.hw-color-picker{display:flex;gap:5px}.hw-color{width:30px;height:30px;border-radius:50%;padding:0;border:2px solid transparent;cursor:pointer;transition:transform var(--transition-fast)}.hw-color:hover{transform:scale(1.1)}.hw-color.active{border-color:var(--accent);box-shadow:0 0 0 2px #fff,0 0 0 4px var(--accent)}#hw-size{width:100px;cursor:pointer;accent-color:var(--accent)}.handwriting-canvas-wrapper{flex:1;position:relative;background:#fff;overflow:hidden}.handwriting-canvas-wrapper canvas{display:block;cursor:crosshair;user-select:none;-webkit-user-select:none;touch-action:none}body:has(.handwriting-modal[style*="display: flex"]){user-select:none;-webkit-user-select:none}.hw-tool-toggle.active{background:var(--accent);color:#fff;border-color:var(--accent)}@media(max-width:768px){.handwriting-container{width:100vw;height:100vh;height:100dvh;max-width:none;max-height:none;border-radius:0}.handwriting-toolbar{flex-wrap:wrap;gap:8px;padding:8px}.hw-tools{gap:8px}.hw-color{width:26px;height:26px}#hw-size{width:80px}}.hw-dialog-overlay{position:fixed;inset:0;background:#0009;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:10000;display:flex;align-items:center;justify-content:center;padding:16px}.hw-dialog{background:#fff;padding:28px;border-radius:var(--radius-md);max-width:90%;text-align:center;box-shadow:var(--shadow-lg)}.hw-dialog-buttons{margin-top:20px;display:flex;gap:8px;justify-content:center}.hw-dialog-buttons button{padding:8px 24px;border:1px solid #ccc;background:#fff;border-radius:var(--radius-sm);cursor:pointer;font-size:15px;transition:all var(--transition-fast)}.hw-dialog-ok{background:var(--accent)!important;color:#fff!important;border-color:var(--accent)!important}