:root{--primary-blue: #1a73e8;--primary-blue-hover: #1557b0;--secondary-blue: #e8f0fe;--text-primary: #202124;--text-secondary: #5f6368;--text-tertiary: #80868b;--border-light: #dadce0;--border-medium: #c4c7c5;--background-primary: #ffffff;--background-secondary: #f8f9fa;--background-card: #ffffff;--shadow-light: 0 1px 2px rgba(60,64,67,.3), 0 1px 3px rgba(60,64,67,.15);--shadow-medium: 0 1px 2px rgba(60,64,67,.3), 0 2px 6px rgba(60,64,67,.15);--shadow-heavy: 0 4px 8px rgba(60,64,67,.3), 0 8px 10px rgba(60,64,67,.15);--font-google-sans: 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;--font-google-mono: 'Google Sans Mono', 'SF Mono', Monaco, Inconsolata, monospace}*{box-sizing:border-box}body{font-family:var(--font-google-sans);font-size:16px;line-height:1.6;color:var(--text-primary);background-color:var(--background-primary);margin:0;padding:0}.container{max-width:1200px;margin:0 auto;padding:0 24px}.header{background:var(--background-primary);border-bottom:1px solid var(--border-light);position:sticky;top:0;z-index:100}.header-content{display:flex;align-items:center;justify-content:space-between;height:64px}.logo-link{text-decoration:none;color:var(--text-primary)}.logo-text{font-size:22px;font-weight:500;color:var(--primary-blue)}.nav{display:flex;gap:32px}.nav-link{text-decoration:none;color:var(--text-secondary);font-weight:400;transition:color 0.2s ease}.nav-link:hover{color:var(--primary-blue)}.main{min-height:calc(100vh - 64px - 80px);padding:40px 0}.hero{text-align:center;padding:60px 0;background:linear-gradient(135deg, var(--secondary-blue) 0%, var(--background-primary) 100%);border-radius:12px;margin-bottom:48px}.hero-title{font-size:48px;font-weight:400;color:var(--text-primary);margin:0 0 16px 0;letter-spacing:-0.5px}.hero-subtitle{font-size:20px;color:var(--text-secondary);margin:0;font-weight:300}.content{max-width:800px;margin:0 auto}.content h1{font-size:36px;font-weight:400;color:var(--text-primary);margin:48px 0 24px 0;letter-spacing:-0.25px}.content h2{font-size:28px;font-weight:400;color:var(--text-primary);margin:40px 0 20px 0;padding-bottom:12px;border-bottom:2px solid var(--secondary-blue);display:flex;align-items:center;gap:12px}.content h3{font-size:22px;font-weight:500;color:var(--text-primary);margin:32px 0 16px 0}.content p{color:var(--text-secondary);margin:16px 0;line-height:1.7}table{width:100%;border-collapse:collapse;margin:24px 0;background:var(--background-card);border-radius:8px;overflow:hidden;box-shadow:var(--shadow-light)}th,td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--border-light)}th{background:var(--secondary-blue);font-weight:500;color:var(--text-primary);font-size:14px;text-transform:uppercase;letter-spacing:0.5px}td{color:var(--text-secondary);font-size:14px}tr:hover{background:var(--background-secondary)}tr:last-child td{border-bottom:none}table a{color:var(--primary-blue);text-decoration:none;font-weight:500;padding:6px 12px;border-radius:6px;transition:all 0.2s ease;display:inline-block}table a:hover{background:var(--secondary-blue);color:var(--primary-blue-hover)}.card{background:var(--background-card);border-radius:12px;padding:24px;margin:24px 0;box-shadow:var(--shadow-light);border:1px solid var(--border-light);transition:box-shadow 0.2s ease, transform 0.2s ease}.card:hover{box-shadow:var(--shadow-medium);transform:translateY(-2px)}.cheatsheet-grid{display:grid;gap:32px}pre{background:var(--background-secondary);border-radius:8px;padding:20px;overflow-x:auto;font-family:var(--font-google-mono);font-size:14px;line-height:1.5;border:1px solid var(--border-light);margin:24px 0}code{font-family:var(--font-google-mono);background:var(--background-secondary);padding:2px 6px;border-radius:4px;font-size:0.9em;color:var(--text-primary)}pre code{background:none;padding:0}ul,ol{padding-left:24px;margin:16px 0}li{margin:8px 0;color:var(--text-secondary)}li strong{color:var(--text-primary)}blockquote{border-left:4px solid var(--primary-blue);margin:24px 0;padding:16px 24px;background:var(--secondary-blue);border-radius:0 8px 8px 0;color:var(--text-secondary);font-style:italic}.footer{background:var(--background-secondary);border-top:1px solid var(--border-light);padding:24px 0;margin-top:80px}.footer-content{display:flex;justify-content:center;align-items:center}.footer-text{color:var(--text-tertiary);font-size:14px;margin:0}.footer-text a{color:var(--primary-blue);text-decoration:none}.footer-text a:hover{text-decoration:underline}.cheatsheet-page{max-width:900px;margin:0 auto;padding:0 24px}.cheatsheet-header{margin-bottom:40px;padding-bottom:24px;border-bottom:2px solid var(--border-light)}.breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:24px;font-size:14px}.breadcrumb-link{color:var(--primary-blue);text-decoration:none;font-weight:400}.breadcrumb-link:hover{text-decoration:underline}.breadcrumb-separator{color:var(--text-tertiary);font-weight:300}.breadcrumb-current{color:var(--text-secondary);font-weight:500}.cheatsheet-title-section{text-align:left}.cheatsheet-title{font-size:42px;font-weight:400;color:var(--text-primary);margin:0 0 16px 0;letter-spacing:-0.5px;line-height:1.2}.cheatsheet-description{font-size:18px;color:var(--text-secondary);margin:0 0 24px 0;line-height:1.6;font-weight:300}.cheatsheet-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.meta-badge{display:inline-block;padding:6px 12px;border-radius:16px;font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:0.5px}.meta-badge.difficulty-easy{background:#e8f5e8;color:#2e7d32;border:1px solid #c8e6c9}.meta-badge.difficulty-medium{background:#fff3e0;color:#f57c00;border:1px solid #ffcc02}.meta-badge.difficulty-hard{background:#ffebee;color:#d32f2f;border:1px solid #ffcdd2}.meta-badge.category{background:var(--secondary-blue);color:var(--primary-blue);border:1px solid var(--primary-blue)}.meta-badge.pattern{background:var(--background-secondary);color:var(--text-secondary);border:1px solid var(--border-medium)}.cheatsheet-content{line-height:1.7}.cheatsheet-content h1{font-size:32px;margin:48px 0 24px 0;color:var(--text-primary);font-weight:400}.cheatsheet-content h2{font-size:26px;margin:36px 0 18px 0;color:var(--text-primary);font-weight:400;padding-bottom:8px;border-bottom:1px solid var(--border-light)}.cheatsheet-content h3{font-size:20px;margin:28px 0 14px 0;color:var(--text-primary);font-weight:500}.cheatsheet-content h4{font-size:18px;margin:24px 0 12px 0;color:var(--text-primary);font-weight:500}.cheatsheet-content p{margin:16px 0;color:var(--text-secondary)}.cheatsheet-content ul,.cheatsheet-content ol{margin:16px 0;padding-left:28px}.cheatsheet-content li{margin:8px 0;color:var(--text-secondary)}.cheatsheet-content strong{color:var(--text-primary);font-weight:600}.cheatsheet-content code{background:var(--background-secondary);color:var(--text-primary);padding:3px 6px;border-radius:4px;font-size:0.9em;font-family:var(--font-google-mono)}.cheatsheet-content pre{background:var(--background-secondary);border:1px solid var(--border-light);border-radius:8px;padding:20px;margin:24px 0;overflow-x:auto;font-family:var(--font-google-mono);font-size:14px;line-height:1.5}.cheatsheet-content pre code{background:none;padding:0;color:var(--text-primary)}.cheatsheet-footer{margin-top:60px;padding:32px 0;border-top:1px solid var(--border-light)}.footer-nav{display:flex;justify-content:space-between;align-items:center}.footer-nav-link{color:var(--primary-blue);text-decoration:none;font-weight:500;padding:12px 20px;border-radius:6px;border:1px solid var(--primary-blue);transition:all 0.2s ease}.footer-nav-link:hover{background:var(--primary-blue);color:white}.cheatsheet-content table{width:100%;margin:28px 0;border-collapse:collapse;background:var(--background-card);border-radius:8px;overflow:hidden;box-shadow:var(--shadow-light);border:1px solid var(--border-light)}.cheatsheet-content th{background:var(--secondary-blue);padding:16px 18px;font-weight:600;color:var(--text-primary);font-size:13px;text-transform:uppercase;letter-spacing:0.5px;border-bottom:2px solid var(--primary-blue)}.cheatsheet-content td{padding:14px 18px;color:var(--text-secondary);font-size:14px;border-bottom:1px solid var(--border-light);vertical-align:top}.cheatsheet-content tr:last-child td{border-bottom:none}.cheatsheet-content tr:hover{background:var(--background-secondary)}@media (max-width: 768px){.container{padding:0 16px}.header-content{height:56px}.hero-title{font-size:32px}.hero-subtitle{font-size:18px}.nav{gap:20px}.nav-link{font-size:14px}table{font-size:12px}th,td{padding:12px 16px}.card{padding:20px}}@media (max-width: 480px){.hero{padding:40px 0}.hero-title{font-size:28px}.nav{flex-direction:column;gap:12px}.header-content{flex-direction:column;height:auto;padding:16px 0}.header{position:static}}