:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:17px/160% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}html{scroll-behavior:smooth}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:left;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{color:var(--text);background:#111217;margin:0;line-height:1.6}*{box-sizing:border-box}button,input,select,textarea{font:inherit}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0;line-height:1.7}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.auth-btn{cursor:pointer;white-space:nowrap;border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.55rem 1rem;font-size:.9rem;font-weight:600;transition:all .2s;display:inline-flex}.auth-btn--login{color:#fff;background:#24292f;border:1px solid #444}.auth-btn--login:hover{background:#32383f;border-color:#667eea}.auth-btn--logout{color:#888;background:0 0;border:1px solid #444;padding:.35rem .7rem;font-size:.8rem}.auth-btn--logout:hover{color:#fff;border-color:#667eea}.auth-btn--sync{color:#c9d3ff;background:#667eea1f;border:1px solid #667eea66;padding:.35rem .7rem;font-size:.8rem}.auth-btn--sync:hover:not(:disabled){background:#667eea3d}.auth-btn--sync:disabled{opacity:.6;cursor:not-allowed}.auth-btn--loading{color:#555;cursor:default;letter-spacing:2px;background:0 0;border:1px solid #333}.auth-user{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}.auth-sync-msg{color:#8fd6a5;font-size:.78rem;font-weight:600}.auth-avatar{border:2px solid #444;border-radius:50%;width:34px;height:34px}.auth-info{flex-direction:column;gap:.1rem;display:flex}.auth-name{color:#fff;font-size:.9rem;font-weight:600}.auth-role{font-size:.75rem;font-weight:500}.auth-role--write{color:#43e97b}.auth-role--read{color:#888}@media (width<=600px){.auth-info{display:none}}.note-form{background:#151821;border:1px solid #2a2f3f;border-radius:12px;padding:1.6rem;box-shadow:0 12px 32px #0000004d}.note-form h2{color:#fff;margin-top:0;margin-bottom:1.2rem}.form-row{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:.75rem;display:grid}.form-group{margin-bottom:1rem}.form-group label{color:#b7bcc3;margin-bottom:.5rem;font-size:.9rem;font-weight:500;display:block}.form-group input[type=text],.form-group select,.form-group textarea{color:#fff;box-sizing:border-box;background:#1f222c;border:1px solid #363b4b;border-radius:8px;width:100%;padding:.8rem;font-family:inherit;font-size:.98rem;transition:border-color .2s,box-shadow .2s}.form-group textarea{resize:vertical;font-family:inherit}.form-group textarea.code-textarea{font-family:Courier New,monospace;font-size:.9rem}.coding-solutions{flex-direction:column;gap:1rem;display:flex}.coding-solution-item{background:#1b1e27;border:1px solid #32384a;border-radius:8px;padding:.75rem}.code-editor-wrapper{border:1px solid #32384a;border-radius:8px;margin-top:.6rem;overflow:hidden}.code-editor-wrapper .cm-editor{text-align:left;font-size:.9rem}.code-editor-wrapper .cm-content,.code-editor-wrapper .cm-line{text-align:left}.code-editor-wrapper .cm-focused{outline:none}.blog-editor-toolbar{flex-wrap:wrap;align-items:center;gap:.75rem;margin-bottom:.75rem;display:flex}.blog-toolbar-group{flex-wrap:wrap;gap:.45rem;display:flex}.blog-toolbar-btn{color:#eef4ff;cursor:pointer;background:#1b2333;border:1px solid #39445d;border-radius:8px;min-width:44px;padding:.6rem .78rem;font-weight:600;transition:background .2s,border-color .2s,transform .2s}.blog-toolbar-btn:hover{background:#243048;border-color:#667eea;transform:translateY(-1px)}.blog-upload-btn{color:#eef4ff;cursor:pointer;background:#20283a;border:1px solid #43506c;border-radius:8px;padding:.65rem .95rem;font-weight:600;transition:background .2s,border-color .2s}.blog-upload-btn:hover:not(:disabled){background:#283149;border-color:#667eea}.blog-upload-btn:disabled{opacity:.7;cursor:wait}.blog-editor-hint{color:#9ba7bb;font-size:.88rem}.blog-editor-drop-hint{margin-bottom:.75rem}.blog-image-input{display:none}.blog-upload-feedback{border-radius:8px;margin-bottom:.75rem;padding:.72rem .85rem;font-size:.9rem}.blog-upload-feedback.success{color:#a7e5be;background:#3da56e1f;border:1px solid #3da56e4d}.blog-upload-feedback.error{color:#ffb6bf;background:#dc35451f;border:1px solid #dc35454d}.blog-editor-layout{grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);align-items:start;gap:1rem;display:grid}.blog-editor-surface{min-height:420px;margin-top:0;position:relative}.blog-editor-surface.drag-over{border-color:#667eea;box-shadow:0 0 0 3px #667eea2e}.blog-drop-overlay{z-index:5;color:#eef4ff;letter-spacing:.01em;pointer-events:none;background:#121824d1;border-radius:8px;justify-content:center;align-items:center;font-size:1rem;font-weight:700;display:flex;position:absolute;inset:0}.markdown-preview{background:#1b1e27;border:1px solid #32384a;border-radius:8px;padding:1rem 1.1rem}.blog-preview-panel{min-height:420px;position:sticky;top:1rem}.blog-preview-heading{color:#eef4ff;margin-bottom:.9rem;font-size:.95rem;font-weight:700}.markdown-preview .blog-content{color:#ddd}.markdown-preview .blog-content>:first-child{margin-top:0}.markdown-preview .blog-content>:last-child{margin-bottom:0}.markdown-preview .blog-content img{border:1px solid #2f3340;border-radius:12px;max-width:100%;height:auto;margin:1rem auto;display:block}.coding-solution-header{justify-content:space-between;align-items:center;margin-bottom:.5rem;display:flex}.coding-solution-title{color:#aaa;font-size:.85rem;font-weight:600}.remove-solution-btn,.add-solution-btn{color:#fff;cursor:pointer;background:#2a2a2a;border:1px solid #444;border-radius:8px;padding:.5rem .8rem;transition:background .2s}.remove-solution-btn:hover,.add-solution-btn:hover{background:#333}.add-solution-btn{margin-top:.75rem}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:#667eea;outline:none;box-shadow:0 0 0 3px #667eea33}.type-selector{gap:.5rem;display:flex}.type-btn{color:#fff;cursor:pointer;background:#1f222c;border:1px solid #343a4a;border-radius:8px;flex:1;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1rem;font-size:1rem;transition:all .3s;display:flex}.type-btn:hover{background:#2a2a2a;border-color:#667eea}.type-btn.active{background:linear-gradient(135deg,#667eea33 0%,#764ba233 100%);border-color:#667eea;box-shadow:0 0 0 1px #667eea}.type-icon{font-size:1.2rem}.tags-container{flex-wrap:wrap;gap:.5rem;min-height:36px;margin-bottom:.5rem;display:flex}.tag{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:20px;align-items:center;gap:.5rem;padding:.4rem .8rem;font-size:.85rem;display:inline-flex}.tag button{color:#fff;cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;padding:0;font-size:1.2rem;line-height:1;transition:background .2s;display:flex}.tag button:hover{background:#fff3}.tag-input-row{gap:.5rem;margin-bottom:.5rem;display:flex}.tag-input-row input{flex:1}.add-tag-btn{color:#fff;cursor:pointer;background:#444;border:none;border-radius:8px;padding:.75rem 1rem;transition:background .2s}.add-tag-btn:hover{background:#555}.suggested-tags{flex-wrap:wrap;gap:.4rem;display:flex}.suggestion{color:#aaa;cursor:pointer;background:0 0;border:1px dashed #555;border-radius:16px;padding:.35rem .7rem;font-size:.8rem;transition:all .2s}.suggestion:hover{color:#667eea;background:#667eea1a;border-color:#667eea}.form-actions{border-top:1px solid #2f3340;justify-content:flex-end;gap:1rem;margin-top:1.5rem;padding-top:1rem;display:flex}.btn-cancel,.btn-submit{cursor:pointer;border:none;border-radius:8px;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;transition:all .2s}.btn-cancel{color:#fff;background:#444}.btn-cancel:hover{background:#555}.btn-submit{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.btn-submit:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.btn-submit:active{transform:translateY(0)}@media (width<=768px){.form-row{grid-template-columns:1fr}.blog-editor-toolbar{align-items:stretch}.blog-toolbar-group{width:100%}.blog-toolbar-btn,.blog-upload-btn{flex:auto}.blog-editor-layout{grid-template-columns:1fr}.blog-preview-panel{min-height:auto;position:static}}.note-card{cursor:pointer;background:#161a22;border:1px solid #262d39;border-radius:14px;padding:1.3rem;transition:transform .16s,box-shadow .16s,border-color .16s}.note-card:hover{border-color:#364055;transform:translateY(-1px);box-shadow:0 8px 18px #080a1233}.note-card-header{justify-content:space-between;align-items:center;gap:.85rem;margin-bottom:.8rem;display:flex}.type-label{color:#93a0b4;letter-spacing:.12em;font-size:.72rem;font-weight:700}.note-title{color:#f3f6fb;margin:0 0 .5rem;font-size:1.14rem;font-weight:700;line-height:1.55}.note-meta-strip{color:#8995a7;margin:0 0 1rem;font-size:.84rem;line-height:1.5}.note-reading-block{margin-bottom:1rem}.note-reading-label{color:#a7b2c2;letter-spacing:.12em;text-transform:uppercase;margin-bottom:.5rem;font-size:.74rem;font-weight:700;display:inline-block}.note-language{flex-wrap:wrap;gap:.4rem;margin-bottom:.8rem;display:flex}.lang-badge{color:#98c5f1;background:#1b2230;border:1px solid #29364c;border-radius:999px;padding:.2rem .58rem;font-family:Courier New,monospace;font-size:.72rem;font-weight:600;display:inline-block}.note-preview{color:#d7dee8;-webkit-line-clamp:5;text-overflow:ellipsis;-webkit-box-orient:vertical;margin:0;font-size:.98rem;line-height:1.82;display:-webkit-box;overflow:hidden}.note-tags{flex-wrap:wrap;gap:.5rem;margin-bottom:.95rem;display:flex}.note-tag{color:#a6b1c8;background:#1b202c;border-radius:999px;padding:.18rem .52rem;font-size:.74rem;font-weight:500}.note-tag-more{color:#8993a5;font-size:.76rem}.note-footer{border-top:1px solid #272f40;justify-content:space-between;align-items:center;padding-top:.85rem;display:flex}.note-date{color:#8f9bad;font-size:.82rem;font-weight:500}.note-open-hint{color:#cbd3de;font-size:.84rem;font-weight:600}.btn-delete{color:#dc3545;cursor:pointer;background:0 0;border:none;border-radius:8px;padding:.36rem .72rem;font-size:.82rem;transition:all .2s}.btn-delete:hover{background:#dc35451a;transform:none}@media (width<=768px){.note-card{padding:1rem}.note-card-header{gap:.6rem}}.note-viewer{--viewer-content-max-width:100%;touch-action:pan-y;background:#151821;border:1px solid #2a2f3f;border-radius:18px;padding:1.75rem;position:relative;box-shadow:0 12px 32px #0000004d}.note-viewer.note-viewer-slide-next{animation:.22s ease-out noteViewerSlideNext}.note-viewer.note-viewer-slide-prev{animation:.22s ease-out noteViewerSlidePrev}.note-viewer.note-viewer-fade{animation:.2s ease-out noteViewerFade}@keyframes noteViewerSlideNext{0%{opacity:.72;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes noteViewerSlidePrev{0%{opacity:.72;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes noteViewerFade{0%{opacity:.75}to{opacity:1}}.viewer-header{justify-content:space-between;align-items:center;margin-bottom:2rem;display:flex}.viewer-write-actions{gap:.75rem;display:flex}.viewer-actions{max-width:var(--viewer-content-max-width);flex-wrap:wrap;justify-content:space-between;gap:.8rem;margin:0 auto 1rem;display:flex}.viewer-left-actions{flex-wrap:wrap;align-items:center;gap:.55rem;display:flex}.btn-back{color:#fff;cursor:pointer;background:#242424;border:2px solid #333;border-radius:8px;padding:.5rem 1rem;font-size:1rem;transition:all .2s}.btn-back:hover{background:#2a2a2a;border-color:#667eea}.viewer-position{color:#99a3b3;font-size:.88rem}.viewer-scope{color:#b4bed0;white-space:normal;background:#1b2230;border:1px solid #2f3a52;border-radius:999px;max-width:100%;padding:.3rem .6rem;font-size:.84rem;line-height:1.35}.btn-side-nav{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#e4e9f2;cursor:pointer;z-index:40;background:#1b2231e0;border:1px solid #45516d;border-radius:999px;justify-content:center;align-items:center;width:46px;height:46px;font-size:1.15rem;font-weight:700;transition:all .2s;display:inline-flex;position:fixed;top:50%;transform:translateY(-50%);box-shadow:0 8px 18px #00000047}.btn-side-prev{left:.75rem}.btn-side-next{right:.75rem}.btn-side-nav:hover:not(:disabled){background:#222b3df2;border-color:#7083c6;transform:translateY(-50%)scale(1.03)}.btn-side-nav:disabled{opacity:.35;cursor:not-allowed}.btn-delete-viewer{color:#dc3545;cursor:pointer;background:#dc35451a;border:none;border-radius:8px;padding:.5rem 1rem;font-size:1rem;transition:all .2s}.btn-edit-viewer{color:#667eea;cursor:pointer;background:#667eea26;border:none;border-radius:8px;padding:.5rem 1rem;font-size:1rem;transition:all .2s}.btn-edit-viewer:hover{background:#667eea40}.btn-delete-viewer:hover{background:#dc354533}.viewer-content{max-width:var(--viewer-content-max-width);margin:0 auto}.viewer-filters{max-width:var(--viewer-content-max-width);background:#161c27;border:1px solid #2f3749;border-radius:12px;flex-direction:column;gap:.75rem;margin:0 auto 1rem;padding:.9rem;display:flex}.viewer-filters-toggle{color:#e6edf8;text-align:left;background:#20293a;border:1px solid #4b5773;border-radius:9px;padding:.62rem .78rem;font-size:.88rem;font-weight:600;display:none}.viewer-filters-content{flex-direction:column;gap:.75rem;display:flex}.viewer-search-box{flex-direction:column;gap:.35rem;display:flex}.viewer-filter-label,.viewer-filter-group label{color:#aab3c2;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem;font-weight:700}.viewer-search-box input,.viewer-filter-group select{color:#eef3fa;background:#1d2432;border:1px solid #3a4256;border-radius:9px;padding:.72rem .82rem;font-size:.92rem}.viewer-search-box input:focus,.viewer-filter-group select:focus{border-color:#667eea;outline:none}.viewer-filter-row{flex-wrap:wrap;align-items:end;gap:.7rem;display:flex}.viewer-filter-group{flex-direction:column;gap:.35rem;min-width:170px;display:flex}.viewer-btn-clear-filters{color:#d9e0ea;background:#1f2737;border:1px solid #4c566e;border-radius:9px;padding:.72rem .95rem;font-size:.9rem;font-weight:600}.viewer-btn-clear-filters:hover{border-color:#6a7692}.viewer-mobile-nav{display:none}.btn-mobile-nav{color:#e4eaf3;background:#1d2434;border:1px solid #38445f;border-radius:10px;padding:.65rem .8rem;font-size:.9rem;font-weight:600}.btn-mobile-nav:disabled{opacity:.45}.mobile-swipe-hint{color:#96a2b6;text-align:center;font-size:.78rem}.viewer-meta{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.meta-left{align-items:center;gap:1rem;display:flex}.viewer-type{color:#888;letter-spacing:.5px;font-size:.85rem;font-weight:600}.viewer-category{color:#fff;text-transform:capitalize;border-radius:16px;padding:.35rem .9rem;font-size:.85rem;font-weight:600}.viewer-date{color:#666;font-size:.9rem}.viewer-title{color:#fff;margin:0 0 1.1rem;font-size:2.35rem;font-weight:700;line-height:1.22}.viewer-summary-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:.85rem;margin-bottom:1.4rem;display:grid}.viewer-summary-card{background:#1a1f2a;border:1px solid #2b3244;border-radius:12px;flex-direction:column;gap:.25rem;padding:.9rem 1rem;display:flex}.viewer-summary-label{color:#9ea8b8;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem;font-weight:700}.viewer-summary-value{color:#edf2f9;font-size:.98rem;line-height:1.5}.viewer-language{flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem;display:flex}.lang-badge{color:#4facfe;background:#333;border-radius:8px;padding:.4rem 1rem;font-family:Courier New,monospace;font-size:.95rem;font-weight:600;display:inline-block}.viewer-tags{border-bottom:1px solid #2f3340;flex-wrap:wrap;gap:.75rem;margin-bottom:2rem;padding-bottom:2rem;display:flex}.viewer-tag{color:#667eea;background:#667eea1a;border-radius:8px;padding:.4rem .8rem;font-size:.95rem;font-weight:600}.viewer-body{color:#e2e6ec;text-align:left;font-size:1.05rem;line-height:1.85}.qa-section,.coding-section{background:#171b24;border:1px solid #293042;border-radius:14px;margin-bottom:1.6rem;padding:1.15rem 1.2rem}.qa-section h3,.coding-section h3{color:#fff;border-bottom:1px solid #39435a;margin:0 0 .85rem;padding-bottom:.65rem;font-size:1.18rem}.qa-content,.coding-content{white-space:pre-wrap;word-wrap:break-word;background:#1c2230;border-left:3px solid #667eea;border-radius:10px;padding:1.15rem 1.2rem}.code-block{background:#11151d;border:1px solid #2f3340;border-radius:10px;padding:1rem 1.05rem;overflow-x:auto}.code-block code{color:#d4d4d4;text-align:left;font-family:Courier New,Consolas,Monaco,monospace;font-size:.95rem;line-height:1.6}.blog-content{color:#dfe5ed;background:#171b24;border:1px solid #293042;border-radius:14px;padding:1.25rem}.blog-content>:first-child{margin-top:0}.blog-content>:last-child{margin-bottom:0}.blog-content h1,.blog-content h2,.blog-content h3,.blog-content h4{color:#fff;margin-top:1.5rem;margin-bottom:.8rem;line-height:1.3}.blog-content p{margin:0 0 1.1rem}.blog-content ul,.blog-content ol{margin:0 0 1rem 1.3rem;padding:0}.blog-content li{margin-bottom:.45rem}.blog-content blockquote{color:#cfcfcf;background:#1d202a;border-left:4px solid #667eea;border-radius:6px;margin:1rem 0;padding:.75rem 1rem}.blog-content a{color:#7aa2ff;text-decoration:none}.blog-content a:hover{text-decoration:underline}.blog-content img{border:1px solid #2f3340;border-radius:14px;max-width:100%;height:auto;margin:1.15rem auto;display:block;box-shadow:0 14px 28px #0000002e}.blog-content pre{background:#13151b;border:1px solid #2f3340;border-radius:8px;margin:1rem 0;padding:1rem;overflow-x:auto}.blog-content code{background:#2b2f3a;border-radius:5px;padding:.1rem .35rem;font-family:Courier New,Consolas,Monaco,monospace;font-size:.9em}.blog-content pre code{background:0 0;padding:0}.blog-content table{border-collapse:collapse;border-radius:8px;width:100%;margin:1rem 0;overflow:hidden}.blog-content th,.blog-content td{text-align:left;border:1px solid #2f3340;padding:.6rem .8rem}.blog-content th{color:#fff;background:#202430}@media (width<=768px){.note-viewer.note-viewer-slide-next,.note-viewer.note-viewer-slide-prev,.note-viewer.note-viewer-fade{animation:none}.note-viewer{border-radius:14px;padding:.9rem .85rem 4.5rem}.viewer-left-actions{gap:.5rem;width:100%}.viewer-actions{gap:.45rem;margin-bottom:.85rem}.viewer-filters{gap:.6rem;margin-bottom:.85rem;padding:.75rem}.viewer-filters-toggle{display:block}.viewer-filters-content{display:none}.viewer-filters-content.is-open{display:flex}.viewer-filter-row{flex-direction:column;align-items:stretch}.viewer-filter-group{min-width:100%}.viewer-btn-clear-filters{width:100%}.viewer-write-actions{justify-content:flex-start;gap:.5rem;width:100%}.btn-back,.btn-edit-viewer,.btn-delete-viewer{padding:.45rem .75rem;font-size:.88rem}.viewer-position,.viewer-scope{font-size:.8rem}.btn-side-nav{display:none}.viewer-title{font-size:1.45rem;line-height:1.35}.viewer-summary-grid{grid-template-columns:1fr;gap:.6rem;margin-bottom:1rem}.viewer-summary-card{padding:.7rem .8rem}.viewer-language{margin-bottom:1rem}.lang-badge{padding:.3rem .7rem;font-size:.82rem}.viewer-tags{gap:.5rem;margin-bottom:1.15rem;padding-bottom:1.15rem}.viewer-tag{padding:.3rem .6rem;font-size:.83rem}.viewer-meta{flex-direction:column;align-items:flex-start;gap:.45rem;margin-bottom:1rem}.qa-section,.coding-section,.blog-content{border-radius:10px;margin-bottom:1rem;padding:.85rem}.qa-section h3,.coding-section h3{margin-bottom:.65rem;padding-bottom:.5rem;font-size:1rem}.qa-content,.coding-content{padding:.85rem}.code-block{padding:.75rem .8rem}.viewer-mobile-nav{left:0;right:0;bottom:env(safe-area-inset-bottom,0);padding:.6rem .7rem calc(.6rem + env(safe-area-inset-bottom,0));-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:45;background:#0f1219f0;border-top:1px solid #2b3347;grid-template-columns:1fr auto 1fr;align-items:center;gap:.45rem;display:grid;position:fixed}}.notes-container{max-width:1400px;margin:0 auto}.notes-container.error{color:#dc3545;text-align:center;padding:2rem}.notes-header{margin-bottom:1.4rem}.search-fallback-note{color:#ffb74d;margin-top:.75rem;font-size:.9rem}.header-top{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.notes-header h2{color:#fff;margin:0;font-size:1.72rem;line-height:1.3}.btn-new-note{color:#fff;cursor:pointer;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;border-radius:8px;padding:.7rem 1.25rem;font-size:1rem;font-weight:600;transition:all .2s}.btn-new-note:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.filters{background:#151921;border:1px solid #2a3142;border-radius:16px;flex-direction:column;gap:.9rem;padding:1rem;display:flex}.search-row{align-items:end;gap:.85rem;display:flex}.search-box{flex-direction:column;gap:.45rem;width:100%;display:flex}.search-label,.filters-toolbar-label{color:#9ea8b8;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem;font-weight:700}.filters-toolbar{flex-direction:column;gap:.65rem;padding-top:.1rem;display:flex}.filter-row{flex-wrap:wrap;align-items:end;gap:.85rem;display:flex}.btn-clear-filters{color:#d4d9e1;cursor:pointer;white-space:nowrap;background:#1c2230;border:1px solid #485169;border-radius:10px;padding:.88rem 1rem;font-size:.9rem;transition:all .2s}.btn-clear-filters:hover{background:#202736;border-color:#6c7898}.search-box input{color:#fff;background:#1f2430;border:1px solid #384055;border-radius:10px;width:100%;padding:.95rem 1rem;font-size:1rem;transition:border-color .3s,box-shadow .3s}.search-box input:focus{border-color:#667eea;outline:none;box-shadow:0 0 0 3px #667eea24}.filter-group{flex-direction:column;gap:.45rem;min-width:170px;display:flex}.filter-group label{color:#b6bbc2;font-size:.82rem;font-weight:600}.filter-group select{color:#fff;cursor:pointer;background:#1f2430;border:1px solid #384055;border-radius:10px;min-width:180px;padding:.8rem .9rem;font-size:.95rem;transition:border-color .3s}.filter-group select:focus{border-color:#667eea;outline:none}.results-strip{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;padding-top:.2rem;display:flex}.results-count{color:#dfe5ee;font-size:.94rem;font-weight:600}.results-hint{color:#99a3b3;font-size:.88rem}.notes-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.15rem;display:grid}@media (width<=1200px){.notes-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.notes-pagination{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-top:1.2rem;display:flex}.pagination-summary{color:#9aa0a6;font-size:.95rem}.pagination-left{flex-wrap:wrap;align-items:center;gap:1rem;display:flex}.page-size-control{align-items:center;gap:.45rem;display:flex}.page-size-control label{color:#9aa0a6;font-size:.9rem}.page-size-control select{color:#e8eaed;background:#1f1f1f;border:1.5px solid #444;border-radius:6px;padding:.4rem .55rem;font-size:.9rem}.page-size-control select:focus{border-color:#667eea;outline:none}.pagination-actions{align-items:center;gap:.6rem;display:flex}.btn-page{color:#e8eaed;cursor:pointer;background:#1f1f1f;border:1.5px solid #444;border-radius:8px;padding:.55rem .85rem;transition:all .2s}.btn-page:hover:not(:disabled){border-color:#667eea}.btn-page:disabled{opacity:.45;cursor:not-allowed}.page-indicator{color:#c8cdd3;font-size:.95rem}@media (width<=768px){.notes-grid{grid-template-columns:1fr}.header-top,.search-row,.filter-row{flex-direction:column;align-items:stretch}.filter-group select{min-width:unset;width:100%}.btn-clear-filters{width:100%}.results-strip{flex-direction:column;align-items:flex-start}.notes-pagination{flex-direction:column;align-items:stretch}.pagination-left,.pagination-actions{justify-content:space-between}}.empty-state{text-align:center;color:#8d939b;padding:3rem 1.2rem}.empty-state p{margin:0;font-size:1.2rem}.app-container{flex-direction:column;width:100%;min-height:100vh;margin:0 auto;padding:0 24px;display:flex}.app-header{border-bottom:1px solid #2f3340;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;padding:1.4rem 0 1.1rem;display:flex}.app-header-main{text-align:left}.app-brand-row{align-items:center;gap:.7rem;display:flex}.app-brand-badge{letter-spacing:.05em;color:#e6ebff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:10px;justify-content:center;align-items:center;width:2.15rem;height:2.15rem;font-size:.82rem;font-weight:800;display:inline-flex;box-shadow:0 6px 14px #5463b859}.app-header h1{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0;font-size:2.5rem}.app-header p{color:#a8afba;max-width:56ch;margin:.35rem 0 0;font-size:1rem}.app-main{flex:1;padding:.75rem 0 1.5rem}.app-footer{text-align:center;color:#8b9099;border-top:1px solid #2f3340;margin-top:1.5rem;padding:1.25rem 0 1.35rem;font-size:.9rem}.app-footer-brand{color:#a9b3c2;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.45rem;font-size:.82rem;font-weight:700}.app-footer-title{color:#c5ccd6;margin:0;font-size:.95rem;font-weight:600}.app-footer-subtitle{color:#9299a5;margin:.35rem 0 0;font-size:.88rem}.app-footer-links{align-items:center;gap:.55rem;margin-top:.65rem;display:inline-flex}.app-footer-links span{color:#616877}.app-footer a{color:#667eea;font-weight:600;text-decoration:none;transition:color .2s}.app-footer a:hover{color:#764ba2}@media (width<=768px){.app-container{padding:0 14px}.app-header h1{font-size:2rem}.app-brand-badge{border-radius:9px;width:1.95rem;height:1.95rem;font-size:.74rem}.app-footer{padding-bottom:1.1rem}}
