:root{--color-primary: hsl(250, 84%, 54%);--color-primary-light: hsl(250, 84%, 64%);--color-primary-dark: hsl(250, 84%, 44%);--color-secondary: hsl(210, 100%, 56%);--color-secondary-light: hsl(210, 100%, 66%);--color-bg-primary: #ffffff;--color-bg-secondary: #f8fafc;--color-bg-tertiary: #f1f5f9;--color-text-primary: #000000;--color-text-secondary: #334155;--color-text-muted: #64748b;--color-border: #e2e8f0;--color-border-light: #cbd5e1;--gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);--gradient-bg: radial-gradient(ellipse at top left, #e0e7ff 0%, #fce7f3 30%, #e0f2fe 60%, #f0f9ff 100%);--gradient-card: linear-gradient(135deg, rgba(255, 255, 255, .8) 0%, rgba(255, 255, 255, .4) 100%);--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-2xl: 4rem;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-size-5xl: 3rem;--font-weight-light: 300;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--font-weight-extrabold: 800;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-glow: 0 0 20px rgba(99, 102, 241, .2);--transition-fast: .15s ease-in-out;--transition-base: .25s ease-in-out;--transition-slow: .35s ease-in-out}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);font-size:var(--font-size-base);font-weight:var(--font-weight-normal);line-height:1.6;color:var(--color-text-primary);background:var(--gradient-bg);min-height:100vh;overflow-x:hidden}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-bold);line-height:1.2;margin-bottom:var(--spacing-sm)}h1{font-size:var(--font-size-4xl);font-weight:var(--font-weight-extrabold)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}p{margin-bottom:var(--spacing-sm)}a{color:var(--color-primary-light);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-secondary-light)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}.fade-in{animation:fadeIn .6s ease-out forwards}.slide-down{animation:slideDown .4s ease-out forwards}.glass-card{background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-lg);transition:all var(--transition-base)}.glass-card:hover{background:#ffffff14;border-color:var(--color-border-light);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-lg);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);text-decoration:none}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),var(--shadow-glow)}.btn-secondary{background:var(--color-bg-tertiary);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg-secondary);border-color:var(--color-border-light)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}@media(max-width:768px){:root{--font-size-4xl: 1.875rem;--font-size-3xl: 1.5rem;--font-size-2xl: 1.25rem}.container{padding:0 var(--spacing-sm)}}@media(max-width:480px){:root{--font-size-4xl: 1.5rem;--font-size-3xl: 1.25rem}}.header{background:#fff;border-bottom:1px solid var(--color-border);padding:var(--spacing-xl) 0;position:relative;overflow:hidden}.header:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(99,102,241,.1),transparent);animation:shimmer 3s infinite}.header-content{text-align:center;position:relative;z-index:1}.header-title{font-size:var(--font-size-5xl);font-weight:var(--font-weight-extrabold);margin-bottom:var(--spacing-sm);letter-spacing:-.02em}.gradient-text{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline-block}.header-subtitle{font-size:var(--font-size-lg);color:var(--color-text-secondary);font-weight:var(--font-weight-normal);margin:0}@media(max-width:768px){.header{padding:var(--spacing-lg) 0}.header-title{font-size:var(--font-size-3xl)}.header-subtitle{font-size:var(--font-size-base)}}@media(max-width:480px){.header-title{font-size:var(--font-size-2xl)}.header-subtitle{font-size:var(--font-size-sm)}}.note-card-link{text-decoration:none;color:inherit;display:block}.note-card{height:100%;display:flex;flex-direction:column;cursor:pointer;position:relative;overflow:hidden;background:#fff}.note-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--transition-base)}.note-card:hover:before{transform:scaleX(1)}.note-card:hover{background:#0000000d;border-color:var(--color-primary)}.note-card-header{margin-bottom:var(--spacing-sm)}.note-card-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);margin-bottom:var(--spacing-xs);color:var(--color-text-primary);line-height:1.3}.note-card-date{font-size:var(--font-size-sm);color:var(--color-text-muted);font-weight:var(--font-weight-normal)}.note-card-description{font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:1.6;margin-bottom:var(--spacing-md);flex:1}.note-card-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);margin-bottom:var(--spacing-md)}.note-tag{font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);padding:.25rem .75rem;background:#6366f133;border:1px solid rgba(99,102,241,.3);border-radius:var(--radius-md);color:var(--color-primary-light);transition:all var(--transition-fast)}.note-card:hover .note-tag{background:#6366f14d;border-color:#6366f180}.note-card-footer{margin-top:auto}.read-more{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-primary-light);display:inline-flex;align-items:center;gap:.5rem;transition:all var(--transition-fast)}.arrow{display:inline-block;transition:transform var(--transition-fast)}.note-card:hover .read-more{color:var(--color-secondary-light)}.note-card:hover .arrow{transform:translate(4px)}@media(max-width:768px){.note-card-title{font-size:var(--font-size-lg)}.note-card-description{font-size:var(--font-size-sm)}}.notes-list{flex:1;padding:var(--spacing-2xl) 0}.notes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--spacing-lg);animation:fadeIn .6s ease-out}.empty-state{text-align:center;max-width:600px;margin:0 auto}.empty-state-icon{margin-bottom:var(--spacing-lg);display:inline-block}.empty-state-icon svg{filter:drop-shadow(0 0 20px rgba(99,102,241,.3))}.rotating-circle{animation:rotate 20s linear infinite;transform-origin:center}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.empty-state-title{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);margin-bottom:var(--spacing-md);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.empty-state-description{font-size:var(--font-size-lg);color:var(--color-text-secondary);line-height:1.7;margin-bottom:var(--spacing-xl)}.empty-state-hint{background:#6366f11a;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-md);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.hint-text{font-size:var(--font-size-base);color:var(--color-text-secondary);margin:0;font-weight:var(--font-weight-medium)}@media(max-width:768px){.notes-list{padding:var(--spacing-xl) 0}.empty-state-icon svg{width:100px;height:100px}.empty-state-title{font-size:var(--font-size-2xl)}.empty-state-description{font-size:var(--font-size-base)}}@media(max-width:480px){.notes-list{padding:var(--spacing-lg) 0}.empty-state-icon svg{width:80px;height:80px}.empty-state-title{font-size:var(--font-size-xl)}.empty-state-description,.hint-text{font-size:var(--font-size-sm)}}.image-viewer{position:relative;background:#00000008;border:1px solid var(--color-border);border-radius:var(--radius-xl);overflow:hidden}.image-controls{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:#fffc;border-bottom:1px solid var(--color-border)}.zoom-hint{font-size:var(--font-size-sm);color:var(--color-text-muted);font-weight:var(--font-weight-normal)}.control-btn{background:#0000000d;border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-primary);font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast);padding:0}.control-btn:hover{background:#0000001a;border-color:var(--color-primary-light);transform:translateY(-1px)}.control-btn:active{transform:translateY(0)}.control-btn:disabled{opacity:.4;cursor:not-allowed}.control-btn:disabled:hover{background:#0000000d;border-color:var(--color-border);transform:none}.fullscreen-btn{margin-left:auto}.zoom-level{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:var(--font-weight-medium);min-width:50px;text-align:center;margin:0 var(--spacing-xs)}.image-container{padding:var(--spacing-lg);overflow:auto;max-height:800px;min-height:600px;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none}.image-viewer:fullscreen .image-container,.image-viewer:-webkit-full-screen .image-container,.image-viewer:-moz-full-screen .image-container,.image-viewer:-ms-fullscreen .image-container{max-height:100vh;min-height:100vh;padding:var(--spacing-md);overflow:hidden;position:relative}.design-image{width:120%;max-width:1400px;height:auto;display:block;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);transition:transform var(--transition-base);transform-origin:center;will-change:transform}.image-viewer:fullscreen .design-image,.image-viewer:-webkit-full-screen .design-image,.image-viewer:-moz-full-screen .design-image,.image-viewer:-ms-fullscreen .design-image{transform-origin:center center}@media(max-width:768px){.image-container{max-height:400px;padding:var(--spacing-md)}.control-btn{width:28px;height:28px;font-size:var(--font-size-base)}.zoom-level{font-size:var(--font-size-xs);min-width:45px}}@media(max-width:480px){.image-controls{padding:var(--spacing-xs) var(--spacing-sm);gap:4px}.control-btn{width:24px;height:24px;font-size:var(--font-size-sm)}.zoom-level{min-width:40px}}.lightbox-overlay{position:fixed;inset:0;background:#000000e6;z-index:9999;display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg);animation:fadeIn .2s ease-in-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.lightbox-content{width:100%;height:100%;max-width:95vw;max-height:95vh;display:flex;flex-direction:column;background:var(--color-bg-primary);border-radius:var(--radius-xl);overflow:hidden;box-shadow:0 20px 60px #00000080}.lightbox-controls{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-sm);padding:var(--spacing-md);background:#000c;border-bottom:1px solid var(--color-border);color:#fff}.lightbox-controls .zoom-hint{color:#fffc;font-size:var(--font-size-sm)}.lightbox-controls-right{display:flex;align-items:center;gap:var(--spacing-sm)}.lightbox-controls .control-btn{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff}.lightbox-controls .control-btn:hover{background:#fff3;border-color:#fff6}.lightbox-controls .control-btn:disabled{opacity:.3}.lightbox-controls .zoom-level{color:#fff}.lightbox-image-container{flex:1;overflow:hidden;display:flex;align-items:center;justify-content:center;position:relative;padding:var(--spacing-lg);min-height:0;width:100%;height:100%}.lightbox-image{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);transition:transform var(--transition-base);transform-origin:center center;will-change:transform;-webkit-user-select:none;user-select:none;display:block}@media(max-width:768px){.lightbox-overlay{padding:var(--spacing-sm)}.lightbox-content{max-width:100vw;max-height:100vh;border-radius:0}.lightbox-controls,.lightbox-image-container{padding:var(--spacing-sm)}}.note-detail-container{flex:1;padding:var(--spacing-xl) 0;min-height:calc(100vh - 200px)}.back-link{display:inline-flex;align-items:center;gap:.5rem;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);margin-bottom:var(--spacing-lg);transition:color var(--transition-fast)}.back-link:hover{color:var(--color-primary-light)}.note-detail{max-width:900px;margin:0 auto}.note-detail-header{margin-bottom:var(--spacing-xl)}.note-detail-title{font-size:var(--font-size-4xl);font-weight:var(--font-weight-extrabold);margin-bottom:var(--spacing-md);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}.note-detail-meta{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-md);flex-wrap:wrap}.note-detail-date{font-size:var(--font-size-sm);color:var(--color-text-muted)}.note-detail-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-xs)}.note-detail-description{font-size:var(--font-size-lg);color:var(--color-text-secondary);line-height:1.7;margin-bottom:var(--spacing-xl)}.note-detail-content{margin-top:var(--spacing-xl)}.content-section{margin-bottom:var(--spacing-2xl)}.content-section h2{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-sm);border-bottom:2px solid rgb(219,171,219)}.content-section ol{margin-left:var(--spacing-lg);color:var(--color-text-secondary);line-height:1.8}.content-section li{margin-bottom:var(--spacing-sm);padding-left:var(--spacing-xs)}.api-endpoint{margin-bottom:var(--spacing-xl)}.api-endpoint h3{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-primary-light);margin-bottom:var(--spacing-sm)}.code-block{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-md);font-family:Monaco,Menlo,Courier New,monospace;font-size:var(--font-size-sm);line-height:1.6;overflow-x:auto}.code-line{color:var(--color-text-secondary);white-space:pre}.code-line.indent{padding-left:var(--spacing-md)}.code-line .method{color:var(--color-secondary-light);font-weight:var(--font-weight-bold);margin-right:var(--spacing-xs)}.code-line.response{color:var(--color-primary-light);margin-top:var(--spacing-xs);margin-bottom:var(--spacing-xs)}.design-document{background:#00000008;border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-lg);overflow:hidden}.explanation-block{padding-left:var(--spacing-xl);padding-right:var(--spacing-md);margin-top:var(--spacing-sm);margin-bottom:var(--spacing-sm);border-left:3px solid var(--color-primary-light);background:#dbabdb0d;padding-top:var(--spacing-sm);padding-bottom:var(--spacing-sm);border-radius:var(--radius-sm)}.design-image{width:100%;height:auto;display:block;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.not-found{text-align:center;padding:var(--spacing-2xl) 0}.not-found h2{font-size:var(--font-size-3xl);margin-bottom:var(--spacing-md);color:var(--color-text-primary)}.not-found p{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin-bottom:var(--spacing-xl)}@media(max-width:768px){.note-detail-container{padding:var(--spacing-lg) 0}.note-detail-title{font-size:var(--font-size-3xl)}.note-detail-description{font-size:var(--font-size-base)}.content-section h2{font-size:var(--font-size-xl)}.code-block{padding:var(--spacing-sm);font-size:var(--font-size-xs)}.design-document{padding:var(--spacing-md)}}@media(max-width:480px){.note-detail-title{font-size:var(--font-size-2xl)}.note-detail-meta{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.content-section ol{margin-left:var(--spacing-md)}.design-document{padding:var(--spacing-sm)}}