:root{--color-primary: #e74c3c;--color-primary-dark: #c0392b;--color-primary-light: rgba(231, 76, 60, .1);--color-text-primary: #2b2b2b;--color-text-secondary: #666;--color-text-tertiary: #999;--color-background: #fafafa;--color-surface: #ffffff;--color-border: #e5e5e5;--color-border-light: #f0f0f0;--color-success: #155724;--color-success-bg: #d4edda;--color-warning: #856404;--color-warning-bg: #fff3cd;--color-danger: #721c24;--color-danger-bg: #f8d7da;--color-info: #1976d2;--color-info-bg: #e3f2fd;--color-difficulty-low: #155724;--color-difficulty-low-bg: #d4edda;--color-difficulty-medium: #856404;--color-difficulty-medium-bg: #fff3cd;--color-difficulty-high: #721c24;--color-difficulty-high-bg: #f8d7da;--color-link: #0066cc;--color-link-hover: #004499;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 2.5rem;--spacing-3xl: 3rem;--spacing-4xl: 4rem;--spacing-5xl: 5rem;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--radius-full: 9999px;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 2px 8px rgba(0, 0, 0, .05);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .12);--shadow-hover: 0 4px 16px rgba(0, 0, 0, .12);--shadow-focus: 0 0 0 3px rgba(231, 76, 60, .1);--font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;--font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.05rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-size-4xl: 2.5rem;--font-size-5xl: 3rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.2;--line-height-normal: 1.4;--line-height-relaxed: 1.6;--line-height-loose: 1.8;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--z-base: 1;--z-dropdown: 10;--z-sticky: 100;--z-fixed: 1000;--z-modal: 10000;--breakpoint-sm: 640px;--breakpoint-md: 768px;--breakpoint-lg: 1024px;--breakpoint-xl: 1280px;--container-max-width: 1200px;--sidebar-width: 280px;--header-height: 80px}.btn{display:inline-block;padding:var(--spacing-md) var(--spacing-xl);border:none;border-radius:var(--radius-lg);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);text-decoration:none;cursor:pointer;transition:all var(--transition-base);font-family:inherit}.btn-primary{background:var(--color-primary);color:var(--color-surface)}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg);text-decoration:none}.btn-clear{padding:var(--spacing-sm) var(--spacing-md);background:var(--color-primary);border:none;border-radius:var(--radius-sm);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-surface);transition:all var(--transition-base)}.btn-clear:hover{background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:0 2px 4px #e74c3c4d}.code-badge{display:inline-block;background:var(--color-text-primary);color:var(--color-surface);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);font-family:var(--font-family-mono)}.code-inline{background:var(--color-border-light);padding:.25rem .5rem;border-radius:var(--radius-sm);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-link);font-family:var(--font-family-mono)}.tag{display:inline-block;background:var(--color-border-light);color:var(--color-text-secondary);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);transition:all var(--transition-base);border:1px solid #e0e0e0}.tag:hover{background:var(--color-border);color:var(--color-text-primary)}.tag-list{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.section{margin-bottom:var(--spacing-2xl)}.section:last-child{margin-bottom:0}.section h2{margin:0 0 var(--spacing-lg) 0;font-size:var(--font-size-2xl);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-lg)}.info-item{background:#f9f9f9;padding:var(--spacing-lg);border-radius:var(--radius-md);border-left:4px solid var(--color-primary)}.info-item h3{margin:0 0 var(--spacing-sm) 0;font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px}.info-item p{margin:0;font-size:var(--font-size-base);color:var(--color-text-primary);font-weight:var(--font-weight-medium)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-hover);border-color:var(--color-primary);transform:translateY(-2px)}.card-header{display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-md)}.mt-0{margin-top:0}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-0{margin-bottom:0}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.mb-2xl{margin-bottom:var(--spacing-2xl)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.text-primary{color:var(--color-text-primary)}.text-secondary{color:var(--color-text-secondary)}.text-muted{color:var(--color-text-tertiary)}.font-normal{font-weight:var(--font-weight-normal)}.font-medium{font-weight:var(--font-weight-medium)}.font-semibold{font-weight:var(--font-weight-semibold)}.font-bold{font-weight:var(--font-weight-bold)}.d-none{display:none}.d-block{display:block}.d-flex{display:flex}.d-grid{display:grid}.flex-column{flex-direction:column}.flex-row{flex-direction:row}.flex-wrap{flex-wrap:wrap}.justify-start{justify-content:flex-start}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}.align-start{align-items:flex-start}.align-center{align-items:center}.align-end{align-items:flex-end}.gap-xs{gap:var(--spacing-xs)}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.gap-xl{gap:var(--spacing-xl)}@media(max-width:768px){.mobile-hidden{display:none}.mobile-full-width{width:100%}}@media(min-width:769px){.desktop-hidden{display:none}}*{box-sizing:border-box}body{margin:0;padding:0;font-family:var(--font-family-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--color-background);color:var(--color-text-primary)}a{color:var(--color-link);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;font-family:inherit}input,textarea,select{font-family:inherit}.container{max-width:var(--container-max-width);margin:0 auto;padding:0 var(--spacing-md)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.header.svelte-hv3zzy{background:var(--color-text-primary);border-bottom:none;position:sticky;top:0;z-index:var(--z-sticky);box-shadow:var(--shadow-sm)}.header-content.svelte-hv3zzy{max-width:var(--container-max-width);margin:0 auto;padding:1.25rem var(--spacing-md);display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-xl)}.logo.svelte-hv3zzy{text-decoration:none;color:var(--color-surface);display:flex;align-items:center;gap:var(--spacing-md)}.logo-image.svelte-hv3zzy{height:3.5rem;width:auto}.logo.svelte-hv3zzy h1:where(.svelte-hv3zzy){margin:0;font-size:var(--font-size-2xl);font-weight:var(--font-weight-semibold)}.nav-main.svelte-hv3zzy{display:flex;gap:var(--spacing-xl);list-style:none;margin:0;padding:0;align-items:center}.nav-main.svelte-hv3zzy a:where(.svelte-hv3zzy){text-decoration:none;color:#ffffffd9;font-weight:var(--font-weight-medium);transition:color var(--transition-base)}.nav-main.svelte-hv3zzy a:where(.svelte-hv3zzy):hover{color:var(--color-surface);text-decoration:none}.download-btn.svelte-hv3zzy{background:transparent;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);border:2px solid #dc2626;color:#fffffff2;display:flex;align-items:center;gap:.5rem;transition:background var(--transition-base),border-color var(--transition-base),color var(--transition-base)}.download-btn.svelte-hv3zzy:hover{background:#dc26261a;border-color:#ef4444;color:var(--color-surface)}.download-icon.svelte-hv3zzy{width:1rem;height:1rem;flex-shrink:0}@media(max-width:768px){.header-content.svelte-hv3zzy{flex-direction:column;gap:var(--spacing-md)}.logo-image.svelte-hv3zzy{height:2.5rem}.logo.svelte-hv3zzy h1:where(.svelte-hv3zzy){font-size:var(--font-size-xl)}.nav-main.svelte-hv3zzy{gap:var(--spacing-md)}}.footer.svelte-7lfk2o{background:var(--color-text-primary);color:#ffffffb3;padding:var(--spacing-3xl) var(--spacing-md) var(--spacing-xl);margin-top:auto}.footer-content.svelte-7lfk2o{max-width:var(--container-max-width);margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-2xl);margin-bottom:var(--spacing-2xl)}.footer-section.svelte-7lfk2o h4:where(.svelte-7lfk2o){font-size:var(--font-size-lg);margin-bottom:var(--spacing-md);font-weight:var(--font-weight-semibold);color:var(--color-surface)}.footer-section.svelte-7lfk2o ul:where(.svelte-7lfk2o){list-style:none;padding:0;margin:0}.footer-section.svelte-7lfk2o li:where(.svelte-7lfk2o){margin-bottom:var(--spacing-sm)}.footer-section.svelte-7lfk2o a:where(.svelte-7lfk2o){color:#ffffffb3;text-decoration:none;transition:color var(--transition-base);font-size:var(--font-size-sm)}.footer-section.svelte-7lfk2o a:where(.svelte-7lfk2o):hover{color:var(--color-surface);text-decoration:none}.footer-bottom.svelte-7lfk2o{border-top:1px solid rgba(255,255,255,.1);padding-top:var(--spacing-lg);text-align:center}.footer-bottom.svelte-7lfk2o p:where(.svelte-7lfk2o){margin:0;font-size:var(--font-size-sm);color:#fff9}@media(max-width:768px){.footer-content.svelte-7lfk2o{grid-template-columns:1fr;gap:var(--spacing-xl)}}.layout.svelte-12qhfyh{display:flex;flex-direction:column;min-height:100vh}.main-content.svelte-12qhfyh{flex:1;padding:var(--spacing-2xl) var(--spacing-md);max-width:var(--container-max-width);margin:0 auto;width:100%}@media(max-width:768px){.main-content.svelte-12qhfyh{padding:var(--spacing-xl) var(--spacing-md)}}