.pattern-card[data-astro-cid-oyphue5v]{flex-grow:1;position:relative;background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:1.5rem;display:flex;flex-direction:column;gap:.75rem;transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow .3s,border-color .3s;box-shadow:0 4px 12px var(--shadow)}.pattern-card[data-astro-cid-oyphue5v]:hover{transform:translateY(-4px);box-shadow:0 12px 30px var(--shadow);border-color:var(--accent)}.pattern-card-header[data-astro-cid-oyphue5v]{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.pattern-card-title[data-astro-cid-oyphue5v]{font-size:22px;font-weight:700;margin:0;line-height:1.2}.pattern-card-title[data-astro-cid-oyphue5v] a[data-astro-cid-oyphue5v]{color:var(--text);text-decoration:none;transition:color .2s}.pattern-card-title[data-astro-cid-oyphue5v] a[data-astro-cid-oyphue5v]:hover{color:var(--accent)}.problem-count-badge[data-astro-cid-oyphue5v]{background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:20px;white-space:nowrap}.pattern-description[data-astro-cid-oyphue5v]{font-size:14px;line-height:1.6;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.difficulty-breakdown[data-astro-cid-oyphue5v]{display:flex;align-items:center;gap:12px;font-size:12px;font-weight:600;margin-top:auto;padding-top:.5rem;border-top:1px solid rgba(0,0,0,.05)}.dark .difficulty-breakdown[data-astro-cid-oyphue5v]{border-top:1px solid rgba(255,255,255,.05)}.breakdown-item[data-astro-cid-oyphue5v]{display:inline-flex;align-items:center;gap:4px}.breakdown-item[data-astro-cid-oyphue5v].easy{color:#0d9488}.dark .breakdown-item[data-astro-cid-oyphue5v].easy{color:#34d399}.breakdown-item[data-astro-cid-oyphue5v].medium{color:#d97706}.dark .breakdown-item[data-astro-cid-oyphue5v].medium{color:#fbbf24}.breakdown-item[data-astro-cid-oyphue5v].hard{color:#dc2626}.dark .breakdown-item[data-astro-cid-oyphue5v].hard{color:#f87171}.stretched-link[data-astro-cid-oyphue5v]:after{position:absolute;inset:0;z-index:1;content:""}.dsa-hub-hero[data-astro-cid-53i2fbv4]{margin-bottom:4rem;text-align:center}.dsa-hub-title[data-astro-cid-53i2fbv4]{font-family:"DM Serif Display",serif;font-size:48px;font-weight:400;line-height:1.15;margin-bottom:1rem;color:var(--text)}.dsa-hub-subtitle[data-astro-cid-53i2fbv4]{font-size:18px;line-height:1.6;color:var(--muted);max-width:720px;margin:0 auto 3rem}.curated-lists-nav[data-astro-cid-53i2fbv4]{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:900px;margin:0 auto;text-align:left}.curated-nav-card[data-astro-cid-53i2fbv4]{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:1.75rem;display:flex;justify-content:space-between;align-items:center;text-decoration:none;transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow .3s,border-color .3s;box-shadow:0 4px 12px var(--shadow);position:relative;overflow:hidden}.curated-nav-card[data-astro-cid-53i2fbv4]:hover{transform:translateY(-4px);box-shadow:0 12px 30px var(--shadow);border-color:var(--accent)}.curated-nav-card[data-astro-cid-53i2fbv4].blind75-nav{border-left:5px solid var(--accent)}.curated-nav-card[data-astro-cid-53i2fbv4].top250-nav{border-left:5px solid #8b5cf6}.curated-nav-content[data-astro-cid-53i2fbv4] h3[data-astro-cid-53i2fbv4]{font-family:"DM Serif Display",serif;font-size:24px;font-weight:400;margin:0 0 .5rem;color:var(--text)}.curated-nav-content[data-astro-cid-53i2fbv4] p[data-astro-cid-53i2fbv4]{font-size:14px;color:var(--muted);margin:0 0 1rem;line-height:1.5}.count-indicator[data-astro-cid-53i2fbv4]{font-size:12px;font-weight:700;background:#0000000d;color:var(--text);padding:4px 12px;border-radius:20px;border:1px solid var(--border)}.dark .count-indicator[data-astro-cid-53i2fbv4]{background:#ffffff0d}.arrow-indicator[data-astro-cid-53i2fbv4]{font-size:20px;color:var(--muted);transition:transform .2s}.curated-nav-card[data-astro-cid-53i2fbv4]:hover .arrow-indicator[data-astro-cid-53i2fbv4]{transform:translate(6px);color:var(--accent)}.patterns-section[data-astro-cid-53i2fbv4]{margin-top:2rem}.section-header[data-astro-cid-53i2fbv4]{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-bottom:2rem}.section-header[data-astro-cid-53i2fbv4] h2[data-astro-cid-53i2fbv4]{font-family:"DM Serif Display",serif;font-size:32px;font-weight:400;margin:0;color:var(--text)}.search-box[data-astro-cid-53i2fbv4]{position:relative;display:flex;align-items:center;max-width:320px;width:100%}.search-icon[data-astro-cid-53i2fbv4]{position:absolute;left:12px;color:var(--muted);pointer-events:none}.search-box[data-astro-cid-53i2fbv4] input[data-astro-cid-53i2fbv4]{width:100%;background:var(--card-bg);border:1px solid var(--border);color:var(--text);padding:10px 16px 10px 38px;border-radius:24px;font-size:14px;font-weight:500;outline:none;transition:all .2s ease}.search-box[data-astro-cid-53i2fbv4] input[data-astro-cid-53i2fbv4]:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb26}.patterns-grid[data-astro-cid-53i2fbv4]{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.pattern-card-wrapper[data-astro-cid-53i2fbv4]{display:flex;flex-direction:column}.empty-state[data-astro-cid-53i2fbv4],.no-results-state[data-astro-cid-53i2fbv4]{text-align:center;padding:3rem 1.5rem;background:var(--card-bg);border:1px dashed var(--border);border-radius:12px;color:var(--muted)}.hidden[data-astro-cid-53i2fbv4]{display:none!important}@media(max-width:768px){.dsa-hub-title[data-astro-cid-53i2fbv4]{font-size:36px}.curated-lists-nav[data-astro-cid-53i2fbv4],.patterns-grid[data-astro-cid-53i2fbv4]{grid-template-columns:1fr;gap:16px}.section-header[data-astro-cid-53i2fbv4]{flex-direction:column;align-items:stretch}.search-box[data-astro-cid-53i2fbv4]{max-width:100%}}