:root{--bg-page:#f7f7f5;--bg-panel:#fff;--bg-panel-subtle:#fbfbfa;--bg-card:#fff;--bg-code:#131518;--bg-code-header:#1b1e24;--text-primary:#191919;--text-secondary:#646460;--text-muted:#8e8e89;--accent-lime:#c6f36b;--accent-lime-hover:#b9ec59;--accent-lime-dim:#ebfabf;--border-light:#e7e7e2;--border-card:#e4e4df;--border-dark:#2a2e35;--code-text:#e6edf3;--code-property:#79c0ff;--code-value:#a5d6ff;--code-keyword:#ff7b72;--code-selector:#ffa657;--code-number:#7ee787;--code-comment:#8b949e;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 12px -2px #0000000f;--shadow-hover:0 6px 16px -2px #00000014}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-page);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.5;overflow-x:hidden}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}button:focus-visible{outline:2px solid var(--text-primary);outline-offset:2px}.app-container{flex-direction:column;gap:28px;max-width:1360px;min-height:100vh;margin:0 auto;padding:24px 32px 48px;display:flex}.app-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding-bottom:20px;display:flex}.header-brand{align-items:center;gap:12px;display:flex}.brand-icon-box{background-color:var(--text-primary);color:#fff;border-radius:var(--radius-sm);justify-content:center;align-items:center;width:32px;height:32px;display:flex}.brand-text{letter-spacing:.06em;color:var(--text-primary);font-size:15px;font-weight:700}.brand-badge{font-family:var(--font-mono);letter-spacing:.04em;color:var(--text-secondary);border:1px solid var(--border-light);background:#efefea;border-radius:6px;padding:3px 8px;font-size:11px;font-weight:600}.header-status-area{align-items:center;gap:16px;display:flex}.live-indicator{letter-spacing:.06em;color:var(--text-secondary);background:var(--bg-panel);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);border-radius:999px;align-items:center;gap:8px;padding:4px 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var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);flex-direction:column;display:flex;overflow:hidden}.preview-panel{flex-direction:column;gap:0;display:flex}.preview-toolbar{border-bottom:1px solid var(--border-light);background:var(--bg-panel-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:14px 20px;display:flex}.toolbar-left{align-items:center;gap:12px;display:flex}.canvas-badge{font-family:var(--font-mono);letter-spacing:.05em;color:var(--text-secondary);background:#edede8;border-radius:6px;padding:4px 8px;font-size:11px;font-weight:600}.canvas-width-indicator{font-family:var(--font-mono);color:var(--text-primary);background:var(--bg-panel);border:1px solid var(--border-light);border-radius:6px;align-items:center;gap:6px;padding:3px 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#0000000d}.preview-stage::-webkit-scrollbar{width:0;height:0;display:none}.grid-preview::-webkit-scrollbar{width:0;height:0;display:none}.canvas-viewport-wrapper::-webkit-scrollbar{width:0;height:0;display:none}.preview-stage,.grid-preview,.canvas-viewport-wrapper{-ms-overflow-style:none;scrollbar-width:none}.preview-stage.fixed-overflow{overflow-x:auto}.grid-preview{box-sizing:border-box;gap:16px;width:100%;min-width:0;display:grid}.grid-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-md);word-break:break-word;flex-direction:column;gap:10px;min-width:0;padding:18px 16px;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;position:relative}.grid-card:hover{box-shadow:var(--shadow-hover);border-color:#d0d0c8;transform:translateY(-2px)}.card-top{justify-content:space-between;align-items:center;display:flex}.card-icon-box{border-radius:var(--radius-sm);width:32px;height:32px;color:var(--text-primary);border:1px solid var(--border-light);background:#f4f4f0;justify-content:center;align-items:center;display:flex}.card-tag{font-family:var(--font-mono);letter-spacing:.06em;color:var(--text-muted);font-size:10px;font-weight:600}.card-body{flex-direction:column;gap:4px;display:flex}.card-title{color:var(--text-primary);letter-spacing:-.01em;font-size:14px;font-weight:600}.card-desc{color:var(--text-secondary);font-size:12px;line-height:1.4}.canvas-footer{border-top:1px dashed var(--border-light);width:100%;color:var(--text-secondary);justify-content:space-between;align-items:center;margin-top:18px;padding-top:14px;font-size:12px;display:flex}.canvas-footer-stat{align-items:center;gap:6px;display:inline-flex}.canvas-footer-stat 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22px}.hero-code-pre{font-family:var(--font-mono);color:#a5d6ff;margin:0;font-size:13px;line-height:1.65}.hero-live-preview-box{border-top:1px solid var(--border-dark);background:#fff;flex-direction:column;gap:12px;padding:18px 22px;display:flex}.hero-mini-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.hero-mini-card{border:1px solid var(--border-light);border-radius:var(--radius-sm);background:#f7f7f5;flex-direction:column;gap:4px;padding:10px 12px;display:flex}.mini-tag{font-family:var(--font-mono);color:var(--text-muted);font-size:10px}.hero-mini-card strong{color:var(--text-primary);font-size:12px}.hero-open-playground-link{font-family:var(--font-mono);color:#0284c7;align-self:flex-end;font-size:12px;font-weight:600;text-decoration:none}.hero-open-playground-link:hover{text-decoration:underline}.home-search-section{border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);background:#fff;flex-direction:column;gap:16px;padding:28px 32px;display:flex}.home-search-bar{align-items:center;gap:12px;display:flex;position:relative}.home-search-icon{color:var(--text-muted);position:absolute;left:16px}.home-search-field{width:100%;font-size:15px;font-family:var(--font-sans);border:1px solid var(--border-light);border-radius:var(--radius-md);color:var(--text-primary);background:#fbfbfa;padding:14px 20px 14px 44px;transition:all .2s}.home-search-field:focus{background:#fff;border-color:#a0a096;outline:none;box-shadow:0 0 0 3px #c6f36b59}.search-clear-btn{color:var(--text-muted);border-radius:4px;padding:6px 10px;font-size:12px}.home-search-submit-btn{background:var(--text-primary);color:#fff;border-radius:var(--radius-md);white-space:nowrap;padding:14px 24px;font-size:14px;font-weight:600;transition:all 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var(--border-light);border-radius:var(--radius-lg);color:inherit;box-shadow:var(--shadow-sm);background:#fff;flex-direction:column;gap:16px;padding:24px;text-decoration:none;transition:all .2s;display:flex}.category-feature-card:hover{box-shadow:var(--shadow-hover);border-color:#d0d0c8;transform:translateY(-2px)}.category-icon-box{border-radius:var(--radius-md);justify-content:center;align-items:center;width:46px;height:46px;display:flex}.html-icon{color:#e11d48;background:#fef2f2;border:1px solid #fecdd3}.css-icon{color:#0284c7;background:#f0f9ff;border:1px solid #bae6fd}.js-icon{color:#ca8a04;background:#fefce8;border:1px solid #fef08a}.category-card-body{flex-direction:column;gap:8px;display:flex}.category-badge-row{justify-content:space-between;align-items:center;display:flex}.cat-badge{font-family:var(--font-mono);border-radius:4px;padding:2px 6px;font-size:10px;font-weight:700}.cat-badge.html{color:#be123c;background:#ffe4e6}.cat-badge.css{color:#0369a1;background:#e0f2fe}.cat-badge.js{color:#854d0e;background:#fef08a}.cat-count{font-family:var(--font-mono);color:var(--text-muted);font-size:11px}.category-card-body h3{color:var(--text-primary);font-size:18px;font-weight:700}.category-card-body p{color:var(--text-secondary);font-size:13px;line-height:1.5}.category-card-footer{color:var(--text-primary);border-top:1px dashed var(--border-light);margin-top:auto;padding-top:12px;font-size:13px;font-weight:600}.section-header-flex{justify-content:space-between;align-items:flex-end;margin-bottom:24px;display:flex}.view-all-link{color:var(--text-primary);border:1px solid var(--border-light);border-radius:var(--radius-sm);background:#fff;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:600;text-decoration:none;transition:all .15s;display:inline-flex}.view-all-link:hover{background:#f4f4f1}.tricks-responsive-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;display:grid}.trick-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);flex-direction:column;gap:14px;padding:22px;transition:all .2s;display:flex}.trick-card:hover{box-shadow:var(--shadow-hover);border-color:#d0d0c8;transform:translateY(-2px)}.trick-card-top{justify-content:space-between;align-items:center;display:flex}.trick-card-meta{align-items:center;gap:8px;display:flex}.trick-category-tag{font-family:var(--font-mono);color:var(--text-muted);font-size:11px}.trick-read-time{color:var(--text-muted);align-items:center;gap:4px;font-size:11px;display:inline-flex}.trick-card-title-link{color:inherit;text-decoration:none}.trick-card-title{color:var(--text-primary);font-size:17px;font-weight:700;line-height:1.3}.trick-card-desc{color:var(--text-secondary);font-size:13px;line-height:1.5}.trick-mini-code{border-radius:var(--radius-sm);background:#181a1f;border:1px solid #2b303a;overflow:hidden}.mini-code-header{background:#20232a;border-bottom:1px solid #2b303a;justify-content:space-between;align-items:center;padding:6px 12px;display:flex}.mini-code-lang{font-family:var(--font-mono);color:#8e96a0;text-transform:uppercase;font-size:10px}.mini-copy-btn{font-family:var(--font-mono);color:#c0c8d0;background:#ffffff14;border-radius:4px;align-items:center;gap:4px;padding:2px 7px;font-size:10px;transition:all .15s;display:inline-flex}.mini-copy-btn:hover{color:#fff;background:#ffffff2e}.mini-code-pre{font-family:var(--font-mono);color:#a5d6ff;margin:0;padding:10px 12px;font-size:12px;line-height:1.5;overflow-x:auto}.trick-card-bottom{border-top:1px dashed var(--border-light);justify-content:space-between;align-items:center;margin-top:auto;padding-top:14px;display:flex}.trick-tags-row{flex-wrap:wrap;gap:6px;display:flex}.trick-sub-tag{font-family:var(--font-mono);color:var(--text-muted);font-size:10px}.trick-read-more-btn{color:var(--text-primary);border:1px solid var(--border-light);background:#f4f4f1;border-radius:6px;align-items:center;gap:5px;padding:5px 10px;font-size:12px;font-weight:600;text-decoration:none;transition:all .15s;display:inline-flex}.trick-read-more-btn:hover{background:var(--accent-lime);border-color:#b2e54f}.latest-list-grid{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.latest-item-card{border:1px solid var(--border-light);border-radius:var(--radius-md);color:inherit;background:#fff;flex-direction:column;gap:8px;padding:18px;text-decoration:none;transition:all .15s;display:flex}.latest-item-card:hover{box-shadow:var(--shadow-sm);border-color:#b5b5ad;transform:translateY(-2px)}.latest-item-meta{justify-content:space-between;align-items:center;display:flex}.latest-date{font-family:var(--font-mono);color:var(--text-muted);font-size:10px}.latest-item-card h4{color:var(--text-primary);font-size:15px;font-weight:600}.latest-item-card p{color:var(--text-secondary);font-size:12px;line-height:1.4}.latest-read-link{color:#0284c7;margin-top:auto;padding-top:8px;font-size:11px;font-weight:600}.closing-cta-card{color:#fff;border-radius:var(--radius-lg);text-align:center;background:#191919;padding:56px 40px}.closing-cta-content{flex-direction:column;align-items:center;gap:16px;max-width:620px;margin:0 auto;display:flex}.closing-badge{font-family:var(--font-mono);color:var(--accent-lime);align-items:center;gap:6px;font-size:11px;font-weight:700;display:inline-flex}.closing-cta-content h2{letter-spacing:-.03em;font-size:36px;font-weight:800}.closing-cta-content p{color:#a3a3a3;font-size:16px;line-height:1.6}.closing-cta-btns{flex-wrap:wrap;justify-content:center;align-items:center;gap:14px;margin-top:10px;display:flex}.closing-cta-btns .primary-cta-btn{background:var(--accent-lime);color:#191919;font-weight:700}.closing-cta-btns .primary-cta-btn:hover{background:var(--accent-lime-hover)}.social-cta-btn{color:#fff;border-radius:var(--radius-sm);background:#ffffff1a;border:1px solid #ffffff26;align-items:center;gap:6px;padding:11px 18px;font-size:13px;font-weight:500;text-decoration:none;transition:all .15s;display:inline-flex}.social-cta-btn:hover{background:#ffffff2e}.library-page-container{flex-direction:column;gap:28px;max-width:1360px;margin:0 auto;padding:40px 32px 80px;display:flex}.library-header{flex-direction:column;gap:8px;display:flex}.library-eyebrow{font-family:var(--font-mono);letter-spacing:.08em;color:var(--text-muted);font-size:11px;font-weight:600}.library-title{letter-spacing:-.03em;color:var(--text-primary);font-size:38px;font-weight:800}.library-subtitle{color:var(--text-secondary);max-width:680px;font-size:16px}.library-toolbar{border:1px solid var(--border-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);background:#fff;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:16px 20px;display:flex}.toolbar-search-box{flex:1;align-items:center;min-width:240px;display:flex;position:relative}.toolbar-search-icon{color:var(--text-muted);position:absolute;left:12px}.toolbar-search-input{width:100%;font-size:13px;font-family:var(--font-sans);border:1px solid var(--border-light);border-radius:var(--radius-sm);color:var(--text-primary);background:#f8f8f5;padding:8px 12px 8px 36px}.toolbar-search-input:focus{background:#fff;border-color:#a0a096;outline:none}.toolbar-search-clear{color:var(--text-muted);font-size:11px;position:absolute;right:10px}.tech-filters-bar{background:#ecece7;border-radius:9px;align-items:center;gap:3px;padding:3px;display:inline-flex}.tech-pill-btn{color:var(--text-secondary);border-radius:7px;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:500;transition:all .15s;display:inline-flex}.tech-pill-btn:hover{color:var(--text-primary)}.tech-pill-btn.active{color:var(--text-primary);background:#fff;font-weight:600;box-shadow:0 1px 3px #00000014}.tech-count-badge{font-family:var(--font-mono);background:#e5e5de;border-radius:4px;padding:1px 5px;font-size:10px}.toolbar-actions{align-items:center;gap:10px;display:flex}.sort-select-wrapper{border:1px solid var(--border-light);border-radius:var(--radius-sm);color:var(--text-secondary);background:#f8f8f5;align-items:center;gap:6px;padding:6px 10px;font-size:12px;display:flex}.sort-select{font-family:var(--font-sans);color:var(--text-primary);cursor:pointer;background:0 0;border:none;outline:none;font-size:12px}.reset-filters-btn{color:var(--text-secondary);border:1px solid var(--border-light);border-radius:var(--radius-sm);background:#fff;align-items:center;gap:5px;padding:6px 10px;font-size:12px;transition:all 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10px;font-size:13px;font-weight:500;text-decoration:none;transition:all .15s;display:inline-flex}.back-link:hover{color:var(--text-primary);background:#f4f4f1}.breadcrumb-actions{align-items:center;gap:10px;display:flex}.share-btn{color:var(--text-secondary);border:1px solid var(--border-light);border-radius:var(--radius-sm);background:#fff;align-items:center;gap:6px;padding:5px 10px;font-size:12px;transition:all .15s;display:inline-flex}.share-btn:hover{color:var(--text-primary);background:#f4f4f1}.trick-detail-header{flex-direction:column;gap:10px;display:flex}.trick-meta-tags-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.trick-category-pill{font-family:var(--font-mono);color:var(--text-muted);background:#efefea;border-radius:4px;padding:2px 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p{color:var(--text-secondary);font-size:13px;line-height:1.5}.detail-code-card{background:var(--bg-code);border:1px solid var(--border-dark);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden}.code-card-header{background:var(--bg-code-header);border-bottom:1px solid var(--border-dark);justify-content:space-between;align-items:center;padding:12px 18px;display:flex}.code-card-header .header-left{align-items:center;gap:8px;display:flex}.lang-tag{font-family:var(--font-mono);color:var(--accent-lime);text-transform:uppercase;font-size:11px;font-weight:700}.filename-tag{font-family:var(--font-mono);color:#8e96a0;font-size:11px}.copy-code-btn{font-family:var(--font-mono);color:#191919;background:var(--accent-lime);border:1px solid #b0e54d;border-radius:6px;align-items:center;gap:6px;padding:5px 12px;font-size:11px;font-weight:600;transition:all 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1.5fr;gap:20px;display:grid}.note-box{border:1px solid var(--border-light);border-radius:var(--radius-md);background:#fff;flex-direction:column;gap:8px;padding:20px;display:flex}.note-box h4{color:var(--text-primary);font-size:14px;font-weight:700}.note-box p{color:var(--text-secondary);font-size:13px;line-height:1.5}.gotchas-list{color:var(--text-secondary);flex-direction:column;gap:6px;padding-left:18px;font-size:13px;line-height:1.5;display:flex}.related-tricks-section{border-top:1px solid var(--border-light);flex-direction:column;gap:20px;padding-top:24px;display:flex}.related-tricks-section h2{color:var(--text-primary);font-size:22px;font-weight:700}.interactive-demo-container{border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);background:#fff;overflow:hidden}.demo-header{border-bottom:1px solid var(--border-light);background:#f7f7f5;justify-content:space-between;align-items:center;padding:12px 18px;display:flex}.demo-header-left{align-items:center;gap:10px;display:flex}.demo-title{font-family:var(--font-mono);color:var(--text-secondary);font-size:11px;font-weight:600}.demo-copy-btn{color:var(--text-secondary);border:1px solid var(--border-light);background:#fff;border-radius:6px;align-items:center;gap:5px;padding:4px 10px;font-size:11px;font-weight:600;display:inline-flex}.demo-copy-btn:hover{color:var(--text-primary)}.demo-body{background:#fafafa;padding:24px}.demo-stage-box{border:1px solid var(--border-light);border-radius:var(--radius-md);background:#fff;min-height:260px;padding:32px 24px;position:relative;overflow:hidden}.center-demo-box{background:#f4f4f1;place-items:center;display:grid}.centered-element{border:1px solid var(--border-light);border-radius:var(--radius-md);text-align:center;box-shadow:var(--shadow-md);background:#fff;flex-direction:column;align-items:center;gap:6px;padding:24px;display:flex}.centered-badge{font-family:var(--font-mono);background:var(--accent-lime);color:#191919;border-radius:4px;padding:2px 7px;font-size:10px;font-weight:700}.glass-demo-bg{background:linear-gradient(135deg,#ff6b6b 0%,#4ecdc4 50%,#ffe66d 100%);justify-content:center;align-items:center;display:flex;position:relative}.glass-shape{filter:blur(8px);border-radius:50%;position:absolute}.glass-shape.circle-1{background:#f36;width:120px;height:120px;top:20px;left:40px}.glass-shape.circle-2{background:#3cf;width:140px;height:140px;bottom:20px;right:50px}.glass-card-element{color:#191919;z-index:2;background:#ffffff40;border:1px solid #fff6;border-radius:16px;flex-direction:column;gap:8px;max-width:420px;padding:24px;display:flex;position:relative;box-shadow:0 8px 32px #00000026}.glass-pill{font-family:var(--font-mono);background:#ffffff80;border-radius:4px;align-self:flex-start;padding:2px 7px;font-size:10px;font-weight:700}.demo-controls-row{border-top:1px solid #ffffff4d;flex-direction:column;gap:4px;margin-top:10px;padding-top:10px;font-size:12px;display:flex}.balance-demo-box{flex-direction:column;align-items:center;gap:20px;display:flex}.demo-toggle-row{gap:8px;display:flex}.demo-pill-btn{color:var(--text-secondary);background:#ecece7;border-radius:7px;padding:6px 12px;font-size:12px;font-weight:500;transition:all .15s}.demo-pill-btn.active{background:var(--text-primary);color:#fff;font-weight:600}.balance-text-card{border:1px solid var(--border-light);border-radius:var(--radius-md);background:#f8f8f5;width:100%;padding:28px}.balance-sub{text-align:center;color:var(--text-secondary);margin-top:12px;font-size:13px}.accent-demo-box{flex-direction:column;gap:20px;display:flex}.demo-color-picker-row{align-items:center;gap:12px;font-size:13px;font-weight:500;display:flex}.color-swatches{gap:8px;display:flex}.color-swatch-circle{border:2px solid #fff;border-radius:50%;width:24px;height:24px;transition:transform .15s;box-shadow:0 0 0 1px #d0d0c8}.color-swatch-circle.active{box-shadow:0 0 0 2px var(--text-primary);transform:scale(1.25)}.accent-inputs-grid{border-radius:var(--radius-md);border:1px solid var(--border-light);background:#f8f8f5;grid-template-columns:repeat(2,1fr);gap:16px;padding:20px;display:grid}.accent-input-item{cursor:pointer;align-items:center;gap:8px;font-size:13px;display:flex}.accent-slider-item{flex-direction:column;grid-column:span 2;gap:6px;display:flex}.js-demo-box{flex-direction:column;gap:16px;display:flex}.js-interactive-cards-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.js-target-card{border:1px solid var(--border-light);border-radius:var(--radius-md);cursor:pointer;background:#f8f8f5;flex-direction:column;gap:6px;padding:16px;transition:all .2s;display:flex}.js-target-card:hover{border-color:#b5b5ad;transform:translateY(-2px)}.js-target-card.is-active{background:#fff;border-color:#10b981;box-shadow:0 0 0 2px #10b981}.js-card-tag{font-family:var(--font-mono);color:var(--text-muted);font-size:10px}.js-demo-caption{color:var(--text-secondary);text-align:center;font-size:12px}.dialog-demo-box{justify-content:center;align-items:center;min-height:240px;display:flex}.open-dialog-btn{background:var(--text-primary);color:#fff;border-radius:var(--radius-sm);padding:12px 20px;font-size:14px;font-weight:600;transition:all .15s}.open-dialog-btn:hover{background:#333}.custom-backdrop-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:999;background:#00000073;justify-content:center;align-items:center;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.simulated-dialog-modal{border-radius:var(--radius-lg);background:#fff;flex-direction:column;gap:12px;width:90%;max-width:440px;padding:24px;animation:.15s scaleUp;display:flex;box-shadow:0 16px 40px #0003}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleUp{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.modal-header{justify-content:space-between;align-items:center;display:flex}.modal-tag{font-family:var(--font-mono);color:#e11d48;background:#fef2f2;border-radius:4px;padding:2px 6px;font-size:11px}.close-dialog-btn{border:1px solid var(--border-light);border-radius:var(--radius-sm);background:#f4f4f1;align-self:flex-end;padding:8px 14px;font-size:13px;font-weight:600}.close-dialog-btn:hover{background:#ecece7}.scroll-demo-box{flex-direction:column;gap:12px;display:flex}.scroll-demo-nav{gap:8px;display:flex}.scroll-jump-link{color:var(--text-primary);border-radius:var(--radius-sm);border:1px solid var(--border-light);background:#f4f4f1;padding:6px 12px;font-size:12px;font-weight:600;text-decoration:none}.scroll-viewport-container{border:1px solid var(--border-light);border-radius:var(--radius-sm);flex-direction:column;gap:100px;max-height:180px;padding:12px;display:flex;overflow-y:auto}.scroll-sec-block{border-radius:var(--radius-sm);padding:20px}.sec-1{background:#e0f2fe}.sec-2{background:#fef3c7}.sec-3{background:#dcfce7}.trick-deep-dive{border-top:1px solid var(--border-light);flex-direction:column;gap:24px;margin-top:40px;padding-top:32px;display:flex}.deep-dive-header 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36px;display:grid}.footer-brand{align-items:center;gap:10px;margin-bottom:12px;display:flex}.footer-desc{color:#9ca3af;max-width:360px;margin-bottom:14px;font-size:13px;line-height:1.6}.footer-meta{font-family:var(--font-mono);color:#6b7280;font-size:11px}.footer-links-col h4{text-transform:uppercase;letter-spacing:.05em;color:#fff;margin-bottom:14px;font-size:13px;font-weight:700}.footer-links-col ul{flex-direction:column;gap:10px;list-style:none;display:flex}.footer-links-col a{color:#9ca3af;font-size:13px;text-decoration:none;transition:color .15s}.footer-links-col a:hover{color:var(--accent-lime)}.external-social-link{align-items:center;gap:5px;display:inline-flex}.footer-bottom{border-top:1px solid #262626;padding:20px 32px}.footer-bottom-inner{color:#6b7280;justify-content:space-between;align-items:center;max-width:1360px;margin:0 auto;font-size:12px;display:flex}.not-found-container{text-align:center;flex-direction:column;align-items:center;gap:16px;max-width:500px;margin:80px auto;display:flex}@media (width<=1024px){.hero-section{grid-template-columns:1fr;gap:36px}.footer-inner{grid-template-columns:1fr 1fr;gap:32px}.categories-cards-grid{grid-template-columns:1fr}.latest-list-grid{grid-template-columns:repeat(2,1fr)}.notes-two-col,.deep-dive-grid{grid-template-columns:1fr}}@media (width<=768px){.navbar-inner{padding:12px 18px}.desktop-nav-links,.nav-search-form,.playground-quick-btn{display:none}.mobile-menu-btn{display:block}.home-container,.library-page-container,.trick-detail-page,.playground-page{gap:40px;padding:24px 18px 60px}.hero-title{font-size:32px}.problem-solution-grid,.latest-list-grid,.footer-inner{grid-template-columns:1fr}.footer-bottom-inner{text-align:center;flex-direction:column;gap:8px}.accent-inputs-grid,.js-interactive-cards-grid{grid-template-columns:1fr}}