.checker-main{max-width:var(--maxw);margin:0 auto;padding:clamp(120px,12vw,160px) var(--pad-x) 80px}.checker-hero{max-width:720px;margin:0 auto 48px;text-align:center}.checker-hero .eyebrow{margin:0 auto 20px}.checker-h1{margin:0 0 16px}.checker-lede{margin:0 auto}.checker-tool{max-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:20px}.search-wrap{position:relative;z-index:5;display:flex;align-items:center;gap:10px;padding:14px 18px}.search-icon{color:var(--ink-muted);flex-shrink:0}.search-wrap input{flex:1;border:none;background:transparent;outline:none;font-family:var(--sans);font-size:16px;color:var(--ink)}.search-results{display:none;position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:20;background:#fff;border-radius:var(--r-card);border:1px solid var(--line);box-shadow:0 20px 40px -12px #0f172a2e;overflow:hidden;max-height:320px;overflow-y:auto}.search-item{display:flex;align-items:center;gap:12px;width:100%;padding:12px 18px;background:none;border:none;text-align:left;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line)}.search-item:last-child{border-bottom:none}.search-item:hover{background:var(--bg-2)}.search-item-emoji{font-size:18px}.stack-panel{padding:24px}.stack-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.stack-head h2{font-size:17px;font-weight:600;margin:0}.clear-btn{background:none;border:none;font-size:13px;color:var(--ink-muted);font-weight:500;cursor:pointer}.clear-btn:hover{color:var(--ink)}.stack-chips{display:flex;flex-wrap:wrap;gap:8px}.stack-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 8px 8px 12px;background:var(--bg-2);border-radius:var(--r-pill);font-size:14px;font-weight:500}.stack-chip-emoji{font-size:15px}.stack-chip-remove{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:#0f172a14;border:none;font-size:15px;line-height:1;color:var(--ink-soft);cursor:pointer}.stack-chip-remove:hover{background:#0f172a29}.stack-empty{margin:4px 0 0;font-size:14px;color:var(--ink-muted)}.results{display:none;flex-direction:column;gap:16px}.results.is-visible{display:flex}.result-block{padding:22px 24px}.result-block h3{font-size:15px;font-weight:600;margin:0 0 14px}.no-data-msg{font-size:14px;color:var(--ink-muted);margin:0}.relation-card{padding:14px 0;border-top:1px solid var(--line)}.relation-card:first-child{border-top:none;padding-top:0}.relation-pair{font-weight:600;font-size:14.5px;margin-bottom:6px}.relation-plus{color:var(--ink-muted);font-weight:400;margin:0 2px}.relation-reason{font-size:14px;line-height:1.6;color:var(--ink-soft);margin:0 0 4px}.relation-sources{font-size:12px;color:var(--ink-muted);margin:0;font-family:var(--mono)}.warnings-block{border:1px solid oklch(.75 .12 40 / .35);background:oklch(.98 .02 60 / .7)}.synergies-block{border:1px solid var(--emerald-soft);background:var(--emerald-tint)}.featured-pairs-section{max-width:860px;margin:56px auto 0}.featured-head{text-align:center;margin-bottom:28px}.featured-title{font-size:22px;font-weight:700;margin:0 0 8px}.featured-subtitle{font-size:14px;color:var(--ink-muted);margin:0}.featured-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:16px}.featured-card{padding:20px;border-radius:16px;display:flex;flex-direction:column}.featured-card.is-warning{border-left:4px solid #f59e0b;background:#fef3c759}.featured-card.is-synergy{border-left:4px solid #10b981;background:#d1fae559}.featured-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.type-badge{font-size:11.5px;font-weight:600;padding:4px 8px;border-radius:6px}.badge-warning{background:#fef3c7;color:#92400e}.badge-synergy{background:#d1fae5;color:#065f46}.test-pair-btn{background:#fff;border:1px solid #ddd;border-radius:99px;font-size:12px;font-weight:600;color:#333;padding:4px 10px;cursor:pointer;transition:all .2s}.test-pair-btn:hover{background:#000;color:#fff;border-color:#000}.featured-pair-names{font-size:16px;font-weight:600;margin-bottom:8px;color:#111}.pair-operator{color:#888;font-weight:400;margin:0 4px}.featured-reason{font-size:13.5px;line-height:1.55;color:#444;margin:0 0 8px;flex-grow:1}.featured-sources{font-size:11.5px;color:#777;margin:0;font-family:var(--mono)}.checker-faq-section{max-width:860px;margin:48px auto 0;padding:36px;border-radius:20px}.faq-head-title{font-size:22px;font-weight:700;margin:0 0 24px;text-align:center}.faq-list{display:flex;flex-direction:column;gap:20px}.faq-item{border-bottom:1px solid var(--line);padding-bottom:16px}.faq-item:last-child{border-bottom:none;padding-bottom:0}.faq-q{font-size:16px;font-weight:600;color:#111;margin:0 0 6px}.faq-a{font-size:14.5px;line-height:1.6;color:#4b5563;margin:0}.checker-disclaimer{max-width:640px;margin:32px auto 0;text-align:center;font-size:12.5px;line-height:1.6;color:var(--ink-muted)}.checker-cta{max-width:640px;margin:40px auto 0;padding:28px 32px;display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center}.checker-cta p{margin:0;font-size:15px;color:var(--ink-soft)}.checker-database{max-width:var(--maxw);margin:64px auto 0}.checker-db-title{font-size:22px;font-weight:700;margin:0 0 8px;text-align:center}.checker-db-subtitle{font-size:14px;color:var(--ink-muted);text-align:center;margin:0 0 32px}.checker-db-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.db-card{padding:16px}.db-card-head{display:flex;align-items:center;gap:8px;margin-bottom:6px}.db-card-emoji{font-size:16px}.db-card-name{font-size:14.5px;font-weight:600}.db-card-desc{font-size:13px;line-height:1.5;color:var(--ink-soft);margin:0 0 6px}.db-card-timing{font-size:12px;color:var(--ink-muted);margin:0;text-transform:capitalize;font-family:var(--mono)}[dir=rtl] .stack-chip{padding:8px 12px 8px 8px}