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#8888aa);line-height:1.5}.std-card-chevron{font-size:10px;color:var(--text-muted,#8888aa);flex-shrink:0;margin-top:6px;transition:transform .2s}.std-card.std-open .std-card-chevron{color:var(--accent)}.std-card-body{padding:16px 18px 18px 54px;border-top:1px solid var(--border)}.std-card-detail p{font-size:13.5px;line-height:1.7;color:var(--text2,#8888aa);margin-bottom:10px}.std-card-detail p strong{color:var(--text)}.std-card-detail p code{background:var(--surface2);padding:1px 6px;border-radius:4px;font-family:JetBrains Mono,monospace;font-size:12px;color:var(--accent)}.std-card-links{margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}.std-links-label{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted,#8888aa);margin-bottom:8px}.std-links-list{display:flex;flex-wrap:wrap;gap:8px}.std-link{font-size:12px;color:var(--accent);text-decoration:none;border:1px solid rgba(124,106,255,.3);border-radius:20px;padding:4px 12px;background:#7c6aff14;transition:all .2s}.std-link:hover{background:#7c6aff33;border-color:var(--accent)}.std-link-pill{font-size:12px;color:var(--accent);text-decoration:none;border:1px solid rgba(124,106,255,.3);border-radius:20px;padding:5px 13px;background:#7c6aff14;transition:all .2s;display:inline-block}.std-link-pill:hover{background:#7c6aff33}.lang-section{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px 16px;margin-bottom:10px}.lang-section-title{font-family:Syne,sans-serif;font-weight:700;font-size:13px;color:var(--text);margin-bottom:6px}.lang-section-body{font-size:13px;color:var(--text2,#8888aa);line-height:1.7}@media (max-width: 768px){.nav{padding:0 14px}.nav-brand{font-size:18px}.nav-links{gap:2px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none;-ms-overflow-style:none}.nav-links::-webkit-scrollbar{display:none}.nav-link{font-size:11px;padding:6px 8px;white-space:nowrap}.main-content{padding:16px}.hero-title{font-size:clamp(2.5rem,10vw,5rem)}.hero-stats{flex-wrap:wrap;gap:20px;justify-content:center}.hero-stat-value{font-size:2.5rem}.features-grid{grid-template-columns:1fr;gap:12px}.section-title{font-size:1.4rem}.section-subtitle{font-size:13px}.ch-row{flex-wrap:wrap;gap:4px}.ch-title{font-size:13px;flex:1 1 100%;order:-1}.ch-num{font-size:11px}.ch-detail-grid{grid-template-columns:1fr}.cat-groups{gap:10px}.cat-group{flex-direction:column;align-items:flex-start;gap:6px}.cat-group-label{min-width:unset}.cat-pill{font-size:11px;padding:4px 10px}.std-card-body,.std-card-header{padding:14px}.std-links-list{flex-direction:column}.std-tab-bar{gap:4px}.tab-bar{flex-wrap:wrap;gap:4px}.tab-btn{font-size:11px;padding:5px 10px}.filter-bar{gap:6px}.filter-btn{font-size:12px;padding:5px 10px}.card{padding:16px}.two-col,.principles-grid{grid-template-columns:1fr}}@media (max-width: 480px){.hero-title{font-size:2.2rem}.nav-link{font-size:10px;padding:5px 6px}.main-content{padding:12px}.features-grid{gap:8px}.hero-stats{gap:14px}}.scratchpad-container{position:fixed;bottom:24px;right:24px;z-index:1000;display:flex;flex-direction:column;align-items:flex-end}.scratchpad-toggle{background:var(--surface2);color:var(--text);border:1px solid var(--border);padding:10px 20px;border-radius:20px;cursor:pointer;font-family:inherit;font-size:13px;font-weight:700;box-shadow:0 4px 12px #0006;transition:all .2s;letter-spacing:.05em}.scratchpad-container.open .scratchpad-toggle{background:var(--accent);color:#fff;border-color:var(--accent)}.scratchpad-toggle:hover{transform:translateY(-2px);box-shadow:0 6px 16px #7c6aff40;border-color:var(--accent)}.scratchpad-panel{width:380px;height:450px;background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:12px;display:flex;flex-direction:column;box-shadow:0 12px 32px #0009;overflow:hidden;animation:slideUp .3s cubic-bezier(.16,1,.3,1)}@media (max-width: 600px){.scratchpad-panel{width:calc(100vw - 48px);height:350px}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.scratchpad-header{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;background:var(--surface2);border-bottom:1px solid var(--border)}.scratchpad-header h3{margin:0;font-size:14px;color:var(--accent);font-weight:700}.clear-btn{background:#ff6b6b1a;color:var(--accent2);border:1px solid rgba(255,107,107,.2);padding:4px 12px;border-radius:6px;font-size:12px;font-weight:600;cursor:pointer;transition:all .2s}.clear-btn:hover{background:#ff6b6b33}.scratchpad-textarea{flex:1;background:transparent;border:none;color:var(--text);padding:16px 18px;resize:none;font-family:inherit;font-size:14px;line-height:1.6;outline:none}.scratchpad-textarea::placeholder{color:var(--text2);opacity:.6}.footer{border-top:1px solid var(--border);background:var(--bg);padding:32px 24px;margin-top:60px;text-align:center}.footer-content{max-width:1000px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:12px}.footer-text{font-family:Syne,sans-serif;font-size:14px;font-weight:600;color:var(--text)}.footer-links{display:flex;gap:16px;align-items:center}.footer-link{font-family:Plus Jakarta Sans,sans-serif;font-size:13px;font-weight:500;color:var(--text2);text-decoration:none;transition:color .2s}.footer-link:hover{color:var(--accent)}.footer-divider{color:var(--border);font-size:12px}