:root{--brand:#5145e5;--brand-dark:#4035c7;--brand-soft:#eeedff;--ink:#151b2f;--muted:#64708a;--line:#e4e8f1;--bg:#f7f8fc;--green:#0e9f6e;--shadow:0 12px 32px rgba(27,39,75,.06)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:var(--brand)}
.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(22px,calc((100% - 1160px)/2));gap:18px;position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:1.1rem;font-weight:850;color:var(--ink);letter-spacing:-.03em}
.brand-mark{width:31px;height:31px;display:grid;place-items:center;color:#fff;background:var(--brand);border-radius:9px;font-weight:900}
.nav{display:flex;align-items:center;gap:16px;font-size:.82rem;font-weight:700;color:var(--muted)}
.nav a{text-decoration:none;color:var(--muted)}.nav a:hover{color:var(--brand)}
main{width:min(1040px,calc(100% - 36px));margin:auto;padding:28px 0 50px}
.breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:.76rem;color:var(--muted);margin-bottom:18px}
.breadcrumbs a{color:var(--muted);text-decoration:none}.breadcrumbs a:hover{color:var(--brand)}
.hero{text-align:center;padding:6px 0 24px;max-width:850px;margin:0 auto}
.eyebrow{display:inline-block;color:var(--brand);font-size:.7rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px}
h1{font-size:clamp(1.9rem,4vw,2.7rem);line-height:1.1;letter-spacing:-.04em;margin:0 0 12px;font-weight:850}
.lead{color:var(--muted);font-size:1rem;line-height:1.6;margin:0 auto;max-width:720px}
.stats{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:7px 12px;font-size:.76rem;color:var(--muted);font-weight:650}
.stat b{color:var(--ink)}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin:0 0 18px;box-shadow:0 6px 18px rgba(27,39,75,.04)}
.search-wrap{position:relative;flex:1;min-width:220px}
.search-wrap input{width:100%;height:42px;border:1px solid var(--line);border-radius:9px;background:#fafbff;padding:0 12px 0 36px;font:inherit;font-size:.9rem;outline:none}
.search-wrap input:focus{border-color:var(--brand);box-shadow:0 0 0 3px #5145e510;background:#fff}
.search-wrap svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted)}
.result-note{font-size:.78rem;color:var(--muted);font-weight:600;white-space:nowrap}
.letter-nav{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 20px}
.letter-nav a,.letter-nav span{display:inline-grid;place-items:center;min-width:30px;height:30px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--muted);font-size:.75rem;font-weight:750;text-decoration:none}
.letter-nav a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.letter-nav span{opacity:.5}
.group{margin:0 0 26px}
.group h2{font-size:1.05rem;margin:0 0 10px;padding-bottom:8px;border-bottom:1px solid var(--line);scroll-margin-top:90px}
.word-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;padding:0;margin:0;list-style:none}
.word-item{display:flex;align-items:center;justify-content:space-between;gap:8px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:8px 10px;min-width:0}
.word{font-weight:800;font-size:.9rem;letter-spacing:.03em;text-transform:uppercase;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.score{background:var(--brand-soft);color:var(--brand);font-size:.7rem;font-weight:800;padding:3px 6px;border-radius:6px;white-space:nowrap}
.empty{display:none;text-align:center;color:var(--muted);padding:30px;background:#fff;border:1px solid var(--line);border-radius:12px}
.section{max-width:1000px;margin:40px auto;padding:0 4px}
.section h2{font-size:1.4rem;letter-spacing:-.025em;margin:0 0 10px}
.section p{color:var(--muted);font-size:.9rem;line-height:1.65}
.links{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.links a{display:inline-flex;border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 11px;font-size:.8rem;font-weight:650;text-decoration:none;color:var(--ink)}
.links a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.faq{display:grid;gap:8px;margin-top:14px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.faq summary{cursor:pointer;font-weight:750;font-size:.88rem;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:'+';color:var(--brand);font-weight:800}
.faq details[open] summary::after{content:'–'}
.faq p{margin:9px 0 0;font-size:.84rem}
footer{background:#fff;border-top:1px solid var(--line);padding:26px 18px;text-align:center;color:var(--muted);font-size:.8rem}
.footer-links{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin:10px 0}
.footer-links a{text-decoration:none;font-weight:650;color:var(--muted)}.footer-links a:hover{color:var(--brand)}
@media(max-width:800px){.word-grid{grid-template-columns:repeat(3,1fr)}.nav{display:none}}
@media(max-width:560px){.word-grid{grid-template-columns:repeat(2,1fr)}.toolbar{align-items:stretch}.result-note{white-space:normal}.hero{padding-top:0}}

.nav a.active{color:var(--brand);position:relative}
.nav a.active::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--brand);border-radius:2px}
.rack-search{max-width:760px;margin:0 auto 26px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 8px 22px rgba(27,39,75,.05)}
.rack-search label{display:block;font-size:.82rem;font-weight:800;margin-bottom:8px}
.rack-search-row{display:flex;gap:8px}
.rack-search input{flex:1;min-width:0;height:46px;border:1px solid var(--line);border-radius:9px;padding:0 12px;font:inherit;font-size:.95rem;outline:none;background:#fafbff}
.rack-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px #5145e510;background:#fff}
.rack-search button{height:46px;border:0;border-radius:9px;background:var(--brand);color:#fff;font-weight:800;padding:0 18px;cursor:pointer;white-space:nowrap}
.rack-search button:hover{background:var(--brand-dark)}
.rack-search p{margin:9px 0 0;font-size:.76rem;color:var(--muted)}
.wordlist-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.wordlist-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;text-decoration:none;transition:.15s;min-height:160px}
.wordlist-card:hover{border-color:#c7c2ff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(27,39,75,.07)}
.wordlist-tag{font-size:.66rem;color:var(--brand);font-weight:850;letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px}
.wordlist-card h3{font-size:1.05rem;margin:0 0 6px;letter-spacing:-.015em}
.wordlist-card p{color:var(--muted);font-size:.82rem;line-height:1.5;margin:0 0 14px}
.wordlist-link{margin-top:auto;color:var(--brand);font-size:.8rem;font-weight:750}
.section-note{text-align:center;color:var(--muted);font-size:.8rem;margin:18px 0 0}
@media(max-width:800px){.wordlist-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.wordlist-grid{grid-template-columns:1fr}.rack-search-row{flex-direction:column}.rack-search button{width:100%}}

.letter-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.letter-card{display:flex;flex-direction:column;align-items:flex-start;gap:2px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px;text-decoration:none;transition:.15s}
.letter-card:hover{border-color:var(--brand);background:var(--brand-soft)}
.letter-big{font-size:1.25rem;font-weight:900;color:var(--ink);line-height:1.1}
.letter-count{font-size:.66rem;color:var(--muted);font-weight:650}
@media(max-width:800px){.letter-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:480px){.letter-grid{grid-template-columns:repeat(3,1fr)}}

.back-link{display:inline-flex;align-items:center;gap:5px;font-size:.76rem;font-weight:750;color:var(--muted);text-decoration:none;margin:0 0 14px}
.back-link:hover{color:var(--brand)}

.back-to-top{position:fixed;right:16px;bottom:16px;z-index:30;display:inline-flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-size:.74rem;font-weight:800;color:var(--muted);text-decoration:none;box-shadow:0 8px 20px rgba(27,39,75,.08)}
.back-to-top:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
@media(max-width:600px){.back-to-top{right:10px;bottom:10px}}

.letter-nav span.current{opacity:1;background:var(--brand);color:#fff;border-color:var(--brand)}

.mobile-nav-static{display:none}
@media(max-width:800px){
  .mobile-nav-static{display:flex;gap:14px;justify-content:center;align-items:center;background:#fff;border-bottom:1px solid var(--line);padding:8px 12px;font-size:.76rem;font-weight:750;position:sticky;top:68px;z-index:19}
  .mobile-nav-static a{text-decoration:none;color:var(--muted)}
  .mobile-nav-static a.active{color:var(--brand)}
}

.word-item .word{color:var(--ink);text-decoration:none}
.word-item a.word:hover{color:var(--brand);text-decoration:underline}
.validation-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0 0}
.validation-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.validation-card.yes{border-color:#b7ebd8;background:#f4fffb}
.validation-card.no{border-color:#fecdd3;background:#fff7f8}
.validation-card span{display:block;color:var(--muted);font-size:.7rem;font-weight:750;text-transform:uppercase;letter-spacing:.08em}
.validation-card b{display:block;font-size:1.05rem;margin:3px 0 2px;color:var(--ink)}
.validation-card small{color:var(--muted);font-size:.76rem}
.validation-note{font-size:.8rem;color:var(--muted);margin:10px 0 0}
@media(max-width:560px){.validation-grid{grid-template-columns:1fr}}

.context-bar{position:sticky;top:68px;z-index:19;background:#fff;border-bottom:1px solid var(--line);margin:0}
.context-crumbs{width:min(1040px,calc(100% - 36px));margin:0 auto;display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:.74rem;color:var(--muted);padding:8px 0 4px;font-weight:650}
.context-crumbs a{color:var(--muted);text-decoration:none}
.context-crumbs a:hover{color:var(--brand)}
.context-crumbs [aria-current="page"]{color:var(--ink);font-weight:800}
.context-sep{color:#c4cad8}
.context-letters{width:min(1040px,calc(100% - 36px));margin:0 auto;padding:0 0 8px;overflow-x:auto}
.context-letters .letter-nav{margin:0;flex-wrap:nowrap;min-width:max-content}
.context-bar:not(.has-letters) .context-crumbs{padding-bottom:9px}
.group h2{scroll-margin-top:150px}
@media(max-width:800px){
  .mobile-nav-static{position:static;top:auto}
  .context-crumbs{width:calc(100% - 24px);padding-top:7px;overflow-x:auto;flex-wrap:nowrap;white-space:nowrap}
  .context-letters{width:calc(100% - 24px)}
  .context-letters .letter-nav{flex-wrap:nowrap}
  .group h2{scroll-margin-top:150px}
}

.skip-link{position:fixed;left:-9999px;top:0;z-index:100;background:var(--ink);color:#fff;padding:8px 12px;border-radius:0 0 8px 0;font-size:.8rem;font-weight:700;text-decoration:none}
.skip-link:focus{left:0}