/* ============================================================
   Astra Tools — base content layout
   Generic .main/.hero/.section/.card/.faq/.related/.use-case/.prose rules
   extracted from the HCODX shared stylesheet (stage3.css) and recolored to
   the Astra palette. Loaded ONLY on tools that don't inline their own base
   (english-dictionary, ai-text-normalizer), BEFORE their inline <style>.
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0}
.prose p a,.prose li a,.faq-answer-inner p a,.faq-answer-inner li a,.hero p a{text-decoration:underline}
.main{flex:1;width:100%;max-width:1240px;margin:0 auto;padding:24px 24px 80px}
.hero{margin-bottom:32px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 11px;background:var(--surface);border:1px solid var(--border);border-radius:999px;font-size:12px;font-weight:500;color:var(--text-2);margin-bottom:16px}
.hero-eyebrow .dot{width:6px;height:6px;background:var(--add);border-radius:50%;box-shadow:0 0 0 3px rgba(52,211,153,.18)}
.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.05;letter-spacing:-.035em;margin-bottom:12px;background:linear-gradient(180deg,var(--text),color-mix(in srgb,var(--text) 70%,transparent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero h1 .accent{color:var(--accent);-webkit-text-fill-color:var(--accent)}
.hero p{font-size:16px;color:var(--text-2);max-width:720px;margin:0;line-height:1.6}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:16px}
.card-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;background:var(--surface-2);border-bottom:1px solid var(--border-subtle)}
.card-title{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--text)}
.card-title i{color:var(--text-3)}
.card-body{padding:16px}
.opt-input{width:100%;padding:9px 12px;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:13px;font-family:inherit}
.opt-help{font-size:11.5px;color:var(--text-3);margin-top:4px}
.opt-label{font-size:11.5px;font-weight:600;color:var(--text-2);text-transform:uppercase;letter-spacing:.04em;display:block;margin-bottom:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;font-family:inherit;font-size:13px;font-weight:600;border-radius:9px;border:1px solid transparent;cursor:pointer;transition:all .15s ease;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 1px 0 rgba(255,255,255,.12) inset,0 4px 14px var(--accent-glow)}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-1px)}
.btn-primary[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border)}
.btn-secondary:hover{background:var(--surface-2)}
.btn-ghost{background:transparent;color:var(--text-2);border-color:transparent}
.btn-ghost:hover{background:var(--surface-2);color:var(--text)}
.tag-btn{padding:6px 11px;background:var(--surface-2);border:1px solid var(--border);border-radius:6px;font-size:12px;color:var(--text-2);font-weight:500}
.tag-btn:hover{border-color:var(--accent);color:var(--accent)}
.tag-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.kv-grid{display:grid;grid-template-columns:1fr;gap:0;border:1px solid var(--border-subtle);border-radius:var(--radius);overflow:hidden}
.kv-row{display:grid;grid-template-columns:200px 1fr;gap:12px;padding:10px 14px;border-bottom:1px solid var(--border-subtle);font-size:13px;align-items:start}
.kv-row:last-child{border-bottom:none}
.kv-row:nth-child(even){background:var(--surface-2)}
.kv-key{color:var(--text-2);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em;font-family:'JetBrains Mono',monospace}
.kv-val{color:var(--text);word-break:break-word}
.kv-val.mono{font-family:'JetBrains Mono',monospace;font-size:12.5px}
@media (max-width:640px){
.kv-row{grid-template-columns:1fr;gap:4px}
.kv-key{font-size:11px}
}
.codebox{padding:14px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:12px;line-height:1.55;overflow:auto;max-height:480px;white-space:pre-wrap;word-break:break-word;margin:0}
.codebox.json{color:var(--text)}
.section{margin:56px 0}
.section-eyebrow{display:inline-block;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin-bottom:8px}
.section h2{font-size:clamp(24px,4vw,32px);letter-spacing:-.03em;line-height:1.15;margin-bottom:8px}
.section-lede{font-size:15.5px;color:var(--text-2);max-width:680px;margin-bottom:24px}
.use-cases{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.use-case{padding:22px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg)}
.use-case-icon{width:40px;height:40px;display:grid;place-items:center;background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);border-radius:10px;color:var(--accent);font-size:16px;margin-bottom:14px}
.use-case h3{font-size:16px;margin-bottom:6px}
.use-case p{font-size:13.5px;color:var(--text-2);margin:0;line-height:1.55}
.faq-list{display:flex;flex-direction:column;gap:8px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.faq-item.open{border-color:var(--border-strong)}
.faq-question{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:16px 18px;background:transparent;border:none;text-align:left;cursor:pointer;color:var(--text);font-family:inherit;font-size:14.5px;font-weight:600}
.faq-question:hover{background:var(--surface-2)}
.faq-toggle{flex-shrink:0;width:22px;height:22px;display:grid;place-items:center;color:var(--text-3);transition:transform .2s ease}
.faq-item.open .faq-toggle{transform:rotate(180deg);color:var(--accent)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-answer-inner{padding:0 18px 18px;color:var(--text-2);font-size:13.5px;line-height:1.65}
.prose{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px}
.prose h3{font-size:17px;margin:24px 0 8px}
.prose h3:first-of-type{margin-top:0}
.prose p,.prose li{font-size:14px;color:var(--text-2);line-height:1.7}
.prose ul{padding-left:22px;margin:8px 0 14px}
.prose strong{color:var(--text)}
.prose code{background:var(--surface-2);padding:1px 5px;border-radius:4px;font-size:12.5px;font-family:'JetBrains Mono',monospace}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.related-card{display:block;padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text)}
.related-card:hover{border-color:var(--border-strong);transform:translateY(-2px)}
.related-name{font-weight:700;margin-bottom:4px}
.related-desc{font-size:13px;color:var(--text-2)}
.row .opt-input{flex:1;min-width:200px}
.opt-field{display:flex;flex-direction:column;gap:6px}
.metric .m-value.accent{color:var(--accent)}
.steps{display:flex;flex-direction:column;gap:12px;position:relative}
.steps::before{content:'';position:absolute;left:19px;top:24px;bottom:24px;width:1px;background:linear-gradient(180deg,var(--accent),transparent);opacity:.4}
.step{display:flex;gap:16px;padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.step-num{flex-shrink:0;width:38px;height:38px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),#e8641f);color:#fff;font-weight:700;font-size:15px;border-radius:10px}
.step-body h3{font-size:15px;margin-bottom:4px}
.step-body p{font-size:13.5px;color:var(--text-2);margin:0}
@media (max-width:880px){
.main{padding:16px 14px 60px}
}