:root{--bg:#f4f7fa;--panel:#fff;--text:#333;--muted:#666;--border:#ddd;--primary:#6200ee;--primary-dark:#5400cc;--danger:#b00020;--danger-dark:#8a0019;--shadow:0 4px 12px #00000014;--sans:"Segoe UI", Tahoma, Geneva, Verdana, sans-serif;color:var(--text);background:var(--bg);font-family:var(--sans);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0}h1{text-align:center;margin:0;font-size:22px;font-weight:500}.notebook-title-input{color:#fff;text-align:center;box-sizing:border-box;background:#ffffff21;border:1px solid #ffffff8c;border-radius:8px;outline:none;width:100%;min-width:0;padding:8px 10px;font-size:22px;font-weight:500}.notebook-title-input:focus{background:#fff3;border-color:#fff}p{margin:0}#app{box-sizing:border-box;justify-content:center;align-items:flex-start;min-height:100svh;padding:20px;display:flex}button{font:inherit}.app-shell{background:var(--panel);width:100%;max-width:560px;box-shadow:var(--shadow);border-radius:12px;overflow:hidden}.top-app-bar{background:var(--primary);color:#fff;box-sizing:border-box;grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:10px;min-height:68px;padding:12px 16px;display:grid}.icon-btn{width:40px;height:40px;color:inherit;cursor:pointer;box-sizing:border-box;background:#ffffff24;border:none;border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:24px;line-height:0;transition:background-color .2s,transform .1s;display:inline-flex}.icon-symbol{line-height:1;display:block;transform:translateY(-1.5px)}.ui-mask-icon{width:22px;height:22px;-webkit-mask:var(--icon) center / contain no-repeat;-webkit-mask:var(--icon) center / contain no-repeat;mask:var(--icon) center / contain no-repeat;background:currentColor;display:block}.icon-btn:hover{background:#ffffff3d}.icon-btn:active{transform:scale(.96)}.screen{padding:24px}.input-area{gap:10px;margin-bottom:20px;display:flex}.icon-btn:disabled,.icon-btn:disabled:hover{color:#ffffff94;cursor:not-allowed;background:#ffffff14;transform:none}.icon-btn svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:20px;height:20px}.header-action-group{justify-content:flex-end;gap:8px;display:flex}.text-input{border:1px solid var(--border);border-radius:8px;flex:1;min-width:0;padding:12px 14px;font-size:16px;transition:border-color .2s,box-shadow .2s}.text-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 5px #6200ee1f}.primary-btn{background:var(--primary);color:#fff;cursor:pointer;white-space:nowrap;border:none;border-radius:8px;padding:12px 18px;font-size:16px;transition:background-color .2s,transform .1s}.primary-btn:hover{background:var(--primary-dark)}.primary-btn:active{transform:scale(.98)}.list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.notebook-card{cursor:pointer;background:var(--bg);border-left:5px solid var(--primary);border-radius:8px;grid-template-columns:1fr auto;align-items:center;gap:12px;padding:14px;transition:box-shadow .2s,transform .1s;display:grid}.notebook-card:hover{box-shadow:0 2px 8px #0000000f}.note-item{background:var(--bg);border-left:5px solid var(--primary);border-radius:8px;grid-template-columns:1fr 38px;align-items:center;gap:12px;padding:12px;display:grid}.note-summary{cursor:pointer;flex-direction:column;gap:8px;min-width:0;display:flex}.note-title{overflow-wrap:anywhere;font-size:16px;font-weight:600}.notes-input{resize:vertical;border:1px solid var(--border);width:100%;min-height:74px;color:var(--text);box-sizing:border-box;background:#fff;border-radius:8px;padding:10px 12px;font-family:inherit;font-size:14px;line-height:1.4}.notes-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 5px #6200ee1f}.tag-row{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.tag-chip{border:none;border-radius:999px;align-items:center;gap:4px;max-width:100%;padding:5px 8px;font-size:13px;line-height:1.2;display:inline-flex}.tag-remove-btn{width:18px;height:18px;color:inherit;cursor:pointer;background:#ffffff38;border:none;border-radius:50%;flex:none;justify-content:center;align-items:center;padding:0;display:inline-flex}.tag-form{grid-template-columns:minmax(110px,1fr) minmax(100px,1fr) auto;gap:6px;width:100%;display:grid}.tag-select,.tag-text-input{border:1px solid var(--border);min-width:0;color:var(--text);font:inherit;background:#fff;border-radius:8px;padding:8px 10px;font-size:14px}.small-btn{border:1px solid var(--border);color:var(--text);cursor:pointer;white-space:nowrap;background:#fff;border-radius:8px;padding:8px 10px;font-size:14px}.icon-only-btn{justify-content:center;align-items:center;width:38px;height:38px;padding:0;display:inline-flex}.small-btn:hover{border-color:var(--primary);color:var(--primary)}.small-btn:disabled{border-color:var(--border);color:var(--muted);cursor:not-allowed;background:#f4f4f4}.danger-link{color:var(--danger);cursor:pointer;font:inherit;text-underline-offset:3px;background:0 0;border:none;justify-content:center;align-items:center;gap:6px;font-size:14px;text-decoration:underline;display:inline-flex}.danger-link:hover{color:var(--danger-dark)}.drawer-overlay{z-index:1;background:#00000057;position:fixed;inset:0}.settings-drawer{z-index:2;width:min(360px,88vw);box-shadow:var(--shadow);background:#fff;flex-direction:column;display:flex;position:fixed;inset:0 auto 0 0}.note-editor-drawer{z-index:2;width:min(520px,94vw);box-shadow:var(--shadow);background:#fff;flex-direction:column;display:flex;position:fixed;inset:0 0 0 auto}.settings-drawer--wide{width:min(560px,94vw)}.drawer-header{border-bottom:1px solid var(--border);box-sizing:border-box;grid-template-columns:44px 1fr 44px;align-items:center;gap:8px;min-height:60px;padding:10px 14px;display:grid}.drawer-title{text-align:center;margin:0;font-size:20px;font-weight:600}.drawer-brand-icon{object-fit:contain;box-sizing:border-box;width:40px;height:40px;padding:8px}.drawer-content{padding:16px;overflow-y:auto}.note-editor-drawer-content{box-sizing:border-box;flex-direction:column;gap:12px;height:100%;display:flex}.note-drawer-title-input{border:1px solid var(--border);width:100%;min-width:0;color:var(--text);font:inherit;box-sizing:border-box;background:#fff;border-radius:8px;padding:10px 12px;font-size:20px;font-weight:600}.note-drawer-body-input{resize:vertical;border:1px solid var(--border);width:100%;min-height:240px;color:var(--text);font:inherit;box-sizing:border-box;background:#fff;border-radius:8px;flex:1;padding:12px;font-size:15px;line-height:1.45}.note-drawer-title-input:focus,.note-drawer-body-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 5px #6200ee1f}.note-drawer-section{border-top:1px solid var(--border);flex-direction:column;gap:8px;padding-top:12px;display:flex}.settings-link{border:none;border-bottom:1px solid var(--border);width:100%;color:var(--text);cursor:pointer;font:inherit;text-align:left;background:#fff;justify-content:space-between;align-items:center;padding:14px 2px;display:flex}.drawer-actions{flex-direction:column;align-items:stretch;gap:10px;display:flex}.drawer-info{color:var(--muted);margin:0 0 14px;font-size:14px;line-height:1.45}.drawer-alert{color:#5f4100;background:#fff8e1;border:1px solid #f3c14b;border-radius:8px;margin:0 0 14px;padding:10px 12px;font-size:14px;line-height:1.45}.drawer-success{color:#1f5c2e;background:#edf8f0;border:1px solid #72c78a;border-radius:8px;margin:0 0 14px;padding:10px 12px;font-size:14px;line-height:1.45}.secondary-btn{border:1px solid var(--border);color:var(--text);cursor:pointer;background:#fff;border-radius:8px;padding:10px 12px;font-size:14px;transition:border-color .2s,color .2s}.secondary-btn:hover{border-color:var(--primary);color:var(--primary)}.install-btn{width:100%}.drawer-danger{justify-content:center;padding-top:8px;display:flex}.tag-type-form{grid-template-columns:1fr 52px auto;align-items:center;gap:8px;margin-bottom:16px;display:grid}.tag-label-input{border:1px solid var(--border);min-width:0;color:var(--text);font:inherit;background:#fff;border-radius:8px;padding:8px 10px;font-size:14px}.tag-color-input{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:8px;width:52px;height:38px;padding:3px}.tag-type-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.tag-type-item{border:1px solid var(--border);border-radius:8px;grid-template-columns:minmax(15ch,auto) 52px minmax(0,150px) auto auto;align-items:center;gap:8px;padding:10px;display:grid}.tag-type-preview{white-space:nowrap;text-overflow:ellipsis;justify-self:start;min-width:0;max-width:150px;overflow:hidden}.tag-type-item .tag-label-input{width:15ch;max-width:100%}.tag-type-preview span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.notebook-name{overflow-wrap:anywhere;font-size:18px;font-weight:600;display:block}.notebook-meta{color:var(--muted);margin-top:4px;font-size:14px;display:block}.delete-btn{background:var(--danger);color:#fff;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;height:38px;transition:background-color .2s;display:inline-flex}.delete-btn:hover{background:var(--danger-dark)}.notebook-delete-btn{width:38px;padding:0}.tag-remove-btn .ui-mask-icon{width:14px;height:14px}.note-action-panel{flex-direction:column;place-self:start end;gap:8px;display:flex}.settings-link:hover{color:var(--primary)}.note-action-btn{border:1px solid var(--border);width:38px;height:38px;color:var(--text);cursor:pointer;background:#fff;border-radius:8px;justify-content:center;align-items:center;line-height:1;transition:border-color .2s,color .2s;display:inline-flex}.note-action-btn:hover{border-color:var(--primary);color:var(--primary)}.note-action-btn:disabled,.note-action-btn:disabled:hover{border-color:var(--border);color:var(--muted);cursor:not-allowed;background:#f4f4f4}.unlink-btn{color:var(--danger)}.unlink-btn:hover{border-color:var(--danger);color:var(--danger-dark)}.unlink-btn svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:19px;height:19px}.empty-state{text-align:center;color:var(--muted);background:var(--bg);border-radius:8px;margin:0;padding:18px}.storage-note{border-top:1px solid var(--border);color:var(--muted);text-align:center;background:#fff;margin:0;padding:14px 24px 18px;font-size:13px;line-height:1.4}@media (width<=520px){#app{padding:12px}.screen{padding:16px}.input-area{flex-direction:column}.primary-btn{width:100%}.tag-form,.tag-type-form,.tag-type-item{grid-template-columns:1fr}.tag-color-input{width:100%}}.all-notes-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.all-note-item{border:1px solid var(--border);background:var(--bg);cursor:pointer;border-radius:8px;grid-template-columns:minmax(0,1fr) 38px;gap:10px;padding:12px;transition:border-color .2s,box-shadow .2s;display:grid}.all-note-item:hover{border-color:#6200ee47;box-shadow:0 2px 8px #0000000f}.all-note-main{flex-direction:column;gap:8px;min-width:0;display:flex}.all-note-title{overflow-wrap:anywhere;font-size:16px;font-weight:600}.all-note-preview{color:var(--muted);overflow-wrap:anywhere;-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:14px;line-height:1.4;display:-webkit-box;overflow:hidden}.all-note-meta-row,.note-link-row{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.linked-notebook-chip,.unfiled-label{border-radius:999px;align-items:center;gap:5px;min-width:0;max-width:100%;padding:5px 7px;font-size:13px;line-height:1.2;display:inline-flex}.linked-notebook-chip{color:#164276;background:#e7f0ff}.linked-notebook-chip span:not(.ui-mask-icon){text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.linked-notebook-chip .ui-mask-icon{flex:none;width:16px;height:16px}.unfiled-label{color:var(--muted);background:#f5f5f5}.chip-icon-btn{width:20px;height:20px;color:inherit;cursor:pointer;background:0 0;border:none;border-radius:50%;flex:none;justify-content:center;align-items:center;padding:0;display:inline-flex}.chip-icon-btn:hover{background:#00000014}.chip-icon-btn svg,.note-action-btn svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:18px;height:18px}.note-link-form{grid-template-columns:minmax(0,1fr) 38px;gap:8px;display:grid}