/* Kalkulatora.net — статичен CSS, светла + тъмна тема */
:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-fg: #ffffff;
  --accent: #0ea5e9;
  --success: #16a34a;
  --warn: #d97706;
  --danger: #dc2626;
  --shadow: 0 1px 2px rgba(15,23,42,.06), 0 4px 12px rgba(15,23,42,.04);
  --radius: 14px;
}
html.dark {
  --bg: #0b1220;
  --surface: #111a2c;
  --surface-2: #16213a;
  --border: #22304d;
  --text: #e8eefc;
  --muted: #93a3bf;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-fg: #ffffff;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.25);
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

/* Layout */
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; width: 100%; }
main { flex: 1; padding: 32px 0 64px; }

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: saturate(180%) blur(8px);
}
.header-inner {
  display: flex; align-items: center; gap: 16px;
  min-height: 64px;
}
.brand {
  font-weight: 700; font-size: 18px; color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.brand:hover { text-decoration: none; }
.brand .logo {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 16px;
}
.header-spacer { flex: 1; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.btn-icon {
  width: 38px; height: 38px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text); cursor: pointer; display: grid; place-items: center;
  font-size: 16px;
}
.btn-icon:hover { background: var(--border); }
.market-select, .btn {
  font: inherit; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border);
  padding: 8px 12px; border-radius: 10px; cursor: pointer;
}
.market-select { padding-right: 28px; }

/* Hero */
.hero {
  text-align: center; padding: 28px 0 12px;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 44px); margin: 0 0 10px; line-height: 1.15;
  letter-spacing: -0.02em;
}
.hero p { color: var(--muted); margin: 0 auto; max-width: 640px; }

/* Search */
.search-wrap { max-width: 640px; margin: 22px auto 0; position: relative; }
.search-input {
  width: 100%; padding: 14px 16px 14px 44px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); font-size: 16px; box-shadow: var(--shadow);
}
.search-input:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
.search-icon {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--muted);
}
.search-results {
  position: absolute; left: 0; right: 0; top: calc(100% + 8px);
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow); max-height: 420px; overflow: auto; z-index: 20;
  display: none;
}
.search-results.open { display: block; }
.search-results a {
  display: block; padding: 12px 16px; color: var(--text);
  border-bottom: 1px solid var(--border);
}
.search-results a:last-child { border-bottom: none; }
.search-results a:hover { background: var(--surface-2); text-decoration: none; }
.search-results .empty { padding: 16px; color: var(--muted); }

/* Section heading */
.section { margin-top: 40px; }
.section h2 {
  font-size: 22px; margin: 0 0 16px; letter-spacing: -0.01em;
}

/* Grids */
.grid { display: grid; gap: 14px; }
.grid-cats { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
.grid-calcs { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow);
  transition: transform .15s ease, border-color .15s ease;
  display: flex; flex-direction: column; gap: 6px;
  color: var(--text);
}
.card:hover { transform: translateY(-2px); border-color: var(--primary); text-decoration: none; }
.card h3 { margin: 0; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card .meta { display: flex; gap: 6px; margin-top: 4px; flex-wrap: wrap; }
.badge {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--border);
}
.badge.s { background: rgba(37,99,235,.1); color: var(--primary); border-color: transparent; }

/* Calculator page */
.calc-layout { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 980px) { .calc-layout { grid-template-columns: 1fr 320px; } }

.calc-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
}
.calc-card h1 { margin: 0 0 6px; font-size: 28px; letter-spacing: -0.01em; }
.calc-card .lead { color: var(--muted); margin: 0 0 20px; }

.form-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; color: var(--muted); }
.field input, .field select {
  font: inherit; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border);
  padding: 10px 12px; border-radius: 10px; width: 100%;
}
.field input:focus, .field select:focus { outline: 2px solid var(--primary); outline-offset: 1px; }

.actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.btn-primary {
  background: var(--primary); color: var(--primary-fg); border: none;
  padding: 11px 18px; border-radius: 10px; font: inherit; font-weight: 600;
  cursor: pointer;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost {
  background: transparent; color: var(--text); border: 1px solid var(--border);
  padding: 10px 16px; border-radius: 10px; font: inherit; cursor: pointer;
}

.result {
  margin-top: 20px; padding: 18px; border-radius: 12px;
  background: var(--surface-2); border: 1px solid var(--border);
  display: none;
}
.result.show { display: block; }
.result h3 { margin: 0 0 8px; font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.result .value { font-size: 28px; font-weight: 700; letter-spacing: -0.01em; }
.result .lines { margin-top: 8px; display: grid; gap: 4px; color: var(--muted); font-size: 14px; }

.coming-soon {
  margin-top: 16px; padding: 28px; text-align: center;
  background: var(--surface-2); border: 1px dashed var(--border); border-radius: 12px;
  color: var(--muted);
}

aside.sidebar { display: flex; flex-direction: column; gap: 16px; }
.ad-slot {
  border: 1px dashed var(--border); border-radius: var(--radius);
  background: var(--surface-2); min-height: 250px;
  display: grid; place-items: center; color: var(--muted); font-size: 12px;
  padding: 16px; text-align: center;
}

/* Article */
.article {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; margin-top: 20px;
}
.article h2 { margin-top: 0; font-size: 20px; }
.article p { color: var(--text); }
.related-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.related-list a { display: block; padding: 8px 10px; border-radius: 8px; background: var(--surface-2); color: var(--text); }
.related-list a:hover { background: var(--border); text-decoration: none; }

/* Footer */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 28px 0;
  margin-top: 40px;
}
.footer-inner { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; justify-content: space-between; color: var(--muted); font-size: 14px; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); }

/* Cookie banner */
.cookie-banner {
  position: fixed; left: 16px; right: 16px; bottom: 16px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow); padding: 16px; z-index: 50;
  display: none; align-items: center; gap: 16px; flex-wrap: wrap;
}
.cookie-banner.show { display: flex; }
.cookie-banner p { margin: 0; flex: 1 1 280px; color: var(--text); font-size: 14px; }
.cookie-banner .actions { margin: 0; }

/* Breadcrumbs */
.crumbs { font-size: 14px; color: var(--muted); margin-bottom: 12px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--text); }

/* 404 */
.empty-state { text-align: center; padding: 60px 20px; }
.empty-state h1 { font-size: 72px; margin: 0; letter-spacing: -0.03em; }

/* ===== Extended layout v2 ===== */
html[data-theme="dark"] {
  --bg:#0b1220; --surface:#111a2c; --surface-2:#16213a; --border:#22304d;
  --text:#e8eefc; --muted:#93a3bf; --primary:#3b82f6; --primary-hover:#2563eb;
}
.header-row{display:flex;align-items:center;gap:1rem;padding:.75rem 0}
.brand{color:var(--text);text-decoration:none;font-size:1.1rem}
.nav-cats{display:flex;gap:.75rem;flex-wrap:wrap;flex:1;justify-content:center}
.nav-cats a{color:var(--muted);text-decoration:none;font-size:.9rem}
.nav-cats a:hover{color:var(--primary)}
.header-tools{display:flex;gap:.5rem}
.header-tools select{padding:.4rem .6rem;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text)}
.cookie{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);z-index:100;box-shadow:var(--shadow)}
.cookie-row{display:flex;align-items:center;gap:1rem;padding:1rem;flex-wrap:wrap;justify-content:space-between}
.cookie-row p{margin:0}
.article{margin-top:2rem;background:var(--surface);padding:1.5rem;border-radius:var(--radius);border:1px solid var(--border)}
.article-section{margin:1.5rem 0;padding-bottom:1rem;border-bottom:1px solid var(--border)}
.article-section:last-child{border-bottom:none}
.article-section h2{font-size:1.3rem;margin-top:0;color:var(--text)}
.article-section h3{font-size:1.05rem;margin-top:1rem}
.article-section p{line-height:1.7;color:var(--text)}
.related{margin-top:2rem}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.5rem;list-style:none;padding:0}
.related-grid li a{display:block;padding:.6rem .8rem;background:var(--surface-2);border-radius:8px;color:var(--text);text-decoration:none;font-size:.9rem}
.related-grid li a:hover{background:var(--primary);color:var(--primary-fg)}
.market-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.5rem;max-width:800px;margin:2rem auto}
.market-list a{display:block;padding:.75rem 1rem;background:var(--surface);border:1px solid var(--border);border-radius:10px;color:var(--text);text-decoration:none}
.market-list a:hover{border-color:var(--primary);color:var(--primary)}
.crumbs{margin:.5rem 0;color:var(--muted);font-size:.9rem}
.crumbs a{color:var(--muted)}
.calc-runtime{background:var(--surface);padding:1.5rem;border-radius:var(--radius);border:1px solid var(--border);margin:1rem 0}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-bottom:1rem;align-items:stretch}
.field{display:flex;flex-direction:column;gap:.3rem;height:100%}
.field label{font-size:.85rem;color:var(--muted);font-weight:500;line-height:1.25;display:block}
.field input,.field select{padding:.55rem .7rem;border:1px solid var(--border);border-radius:8px;background:var(--surface-2);color:var(--text);font-size:1rem;margin-top:auto}
.field .field-hint{margin-top:.35rem}
.field input:focus,.field select:focus{outline:none;border-color:var(--primary)}
.actions{display:flex;gap:.5rem;margin-bottom:1rem}
.btn-primary{background:var(--primary);color:var(--primary-fg);border:none;padding:.7rem 1.4rem;border-radius:8px;font-weight:600;cursor:pointer;font-size:1rem}
.btn-primary:hover{background:var(--primary-hover)}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text);padding:.7rem 1.2rem;border-radius:8px;cursor:pointer;font-size:1rem}
.result{background:var(--surface-2);padding:1rem;border-radius:10px;border:1px solid var(--border)}
.result h3{margin:0 0 .5rem;font-size:.9rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.result .value{font-size:1.5rem;font-weight:700;color:var(--primary)}
.result .lines{margin-top:.5rem;color:var(--muted);font-size:.9rem}
.result .lines div{margin:.2rem 0}
.hero{padding:2rem 0;text-align:center}
.hero h1{font-size:2.2rem;margin:0 0 .5rem}
.hero .lede{color:var(--muted);font-size:1.1rem;margin:0 0 1.5rem}
#cat-search{width:100%;max-width:500px;padding:.8rem 1rem;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);font-size:1rem}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;margin:1.5rem 0}
.grid-cards .card{padding:1.2rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-decoration:none;color:var(--text);transition:.15s}
.grid-cards .card:hover{border-color:var(--primary);transform:translateY(-2px)}
.grid-cards .card h3{margin:0 0 .3rem;font-size:1.05rem}
.calc-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:.5rem;margin:1.5rem 0}
.calc-list li a{display:block;padding:.7rem 1rem;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);text-decoration:none}
.calc-list li a:hover{border-color:var(--primary);color:var(--primary)}
.muted{color:var(--muted)}
.small{font-size:.85rem}
.container{max-width:1200px;margin:0 auto;padding:0 1rem}
.site-header{background:var(--surface);border-bottom:1px solid var(--border)}
.site-footer{background:var(--surface);border-top:1px solid var(--border);margin-top:3rem;padding:1.5rem 0;text-align:center}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;line-height:1.5}
h1,h2,h3{color:var(--text)}
a{color:var(--primary)}

/* ===== Modern 2026 redesign ===== */
:root{
  --bg:#f6f8fb;
  --surface:#ffffff;
  --surface-2:#eef3f8;
  --surface-3:#e7eef6;
  --border:#d8e1ea;
  --text:#101827;
  --muted:#637184;
  --primary:#0f766e;
  --primary-hover:#115e59;
  --primary-fg:#ffffff;
  --accent:#f59e0b;
  --accent-2:#e11d48;
  --shadow:0 18px 45px rgba(16,24,39,.08),0 2px 8px rgba(16,24,39,.05);
  --shadow-soft:0 8px 22px rgba(16,24,39,.07);
  --radius:18px;
}
html[data-theme="dark"]{
  --bg:#0f141b;
  --surface:#151d27;
  --surface-2:#1b2633;
  --surface-3:#223143;
  --border:#2d4054;
  --text:#edf2f7;
  --muted:#9fb0c4;
  --primary:#2dd4bf;
  --primary-hover:#5eead4;
  --primary-fg:#09211e;
  --accent:#fbbf24;
  --accent-2:#fb7185;
  --shadow:0 18px 45px rgba(0,0,0,.28),0 2px 8px rgba(0,0,0,.18);
}
html{background:var(--bg)}
body{
  background:
    linear-gradient(180deg,color-mix(in srgb,var(--surface-2) 62%,transparent),transparent 420px),
    radial-gradient(circle at 12% 0%,color-mix(in srgb,var(--accent) 18%,transparent),transparent 26rem),
    var(--bg);
  color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
}
.container{max-width:1180px;padding:0 22px}
.site-header{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--surface) 86%,transparent);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(18px) saturate(160%);
}
.header-row{min-height:74px;padding:.65rem 0;gap:1rem}
.brand{font-size:1rem;gap:.65rem;letter-spacing:0;color:var(--text);flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),color-mix(in srgb,var(--accent) 78%,var(--primary)));
  color:var(--primary-fg);font-weight:900;box-shadow:var(--shadow-soft);flex-shrink:0;
}
.nav-cats{gap:.35rem;justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none;min-width:0;-webkit-overflow-scrolling:touch}
.nav-cats::-webkit-scrollbar{display:none}
.nav-cats a{
  color:var(--muted);font-size:.9rem;white-space:nowrap;padding:.45rem .7rem;border-radius:999px;
  border:1px solid transparent;text-decoration:none;flex-shrink:0;
}
.nav-cats a:hover{background:var(--surface-2);border-color:var(--border);color:var(--text);text-decoration:none}
.header-tools{align-items:center;flex-shrink:0;gap:.4rem}
.header-tools select{max-width:150px}
.header-tools select,.btn-ghost{
  min-height:40px;border-radius:12px;background:var(--surface);border:1px solid var(--border);box-shadow:0 1px 0 rgba(16,24,39,.03);
}
.btn-ghost:hover{background:var(--surface-2)}
main.container{padding-top:30px;padding-bottom:72px}
.hero,.calc-hero{
  position:relative;overflow:hidden;text-align:left;border:1px solid var(--border);border-radius:22px;
  padding:clamp(1.4rem,2.6vw,2.2rem);margin:10px 0 26px;background:
    linear-gradient(135deg,color-mix(in srgb,var(--surface) 96%,transparent),color-mix(in srgb,var(--surface-2) 90%,transparent));
  box-shadow:var(--shadow);
}
.hero::after,.calc-hero::after{
  content:"";position:absolute;right:-70px;top:-80px;width:220px;height:220px;border-radius:42%;
  background:conic-gradient(from 160deg,var(--primary),var(--accent),var(--accent-2),var(--primary));
  opacity:.10;transform:rotate(12deg);
}
.hero-kicker{position:relative;z-index:1;color:var(--primary);font-weight:800;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.5rem}
.hero h1,.calc-hero h1{position:relative;z-index:1;max-width:760px;font-size:clamp(1.65rem,2.6vw,2.35rem);line-height:1.1;margin:0 0 .55rem;color:var(--text);letter-spacing:-.01em;font-weight:850}
.hero .lede,.calc-hero .lede{position:relative;z-index:1;max-width:720px;margin:0 0 1rem;color:var(--muted);font-size:clamp(.95rem,1.15vw,1.02rem);line-height:1.55}
#cat-search{
  position:relative;z-index:1;width:min(100%,680px);max-width:none;padding:1rem 1.1rem;border-radius:15px;
  border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-soft);font-size:1rem;color:var(--text);
}
#cat-search:focus{outline:3px solid color-mix(in srgb,var(--primary) 24%,transparent);border-color:var(--primary)}
h1,h2,h3{letter-spacing:0;color:var(--text)}
h2{font-size:clamp(1.35rem,2vw,1.8rem);margin:2.2rem 0 1rem}
.grid-cards{grid-template-columns:repeat(auto-fill,minmax(235px,1fr));gap:1rem}
.grid-cards .card,.calc-list li a,.related-grid li a{
  background:color-mix(in srgb,var(--surface) 96%,transparent);border:1px solid var(--border);border-radius:16px;
  color:var(--text);box-shadow:0 1px 0 rgba(16,24,39,.04);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.grid-cards .card{padding:1.1rem 1.15rem;min-height:112px;justify-content:space-between}
.grid-cards .card:hover,.calc-list li a:hover,.related-grid li a:hover{
  transform:translateY(-3px);border-color:color-mix(in srgb,var(--primary) 55%,var(--border));box-shadow:var(--shadow-soft);background:var(--surface);color:var(--text);text-decoration:none;
}
.grid-cards .card h3{font-size:1.08rem;margin:0}.grid-cards .card p{color:var(--muted)}
.calc-list{grid-template-columns:repeat(auto-fill,minmax(275px,1fr));gap:.75rem}
.calc-list li a{padding:.9rem 1rem;font-weight:650}
.crumbs{margin:.5rem 0 1rem;color:var(--muted);font-size:.92rem}.crumbs a{color:var(--muted)}
.calc-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:1.4rem;align-items:start}
@media (min-width:1020px){.calc-layout{grid-template-columns:minmax(0,1fr) 310px}.related{position:sticky;top:96px}}
.calc-runtime,.article,.related{
  background:var(--surface);border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow);padding:clamp(1.15rem,3vw,1.8rem);
}
.calc-runtime{margin:0 0 1.4rem}.article{margin-top:0}.related{margin-top:0}
.form-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1rem;margin-bottom:1rem}

/* Keep controls aligned when field labels wrap onto a second line. */
.form-grid{align-items:start}
.form-grid>.field{align-self:start;height:auto}
.form-grid>.field>input,.form-grid>.field>select,.form-grid>.field>textarea{margin-top:0}
@media (min-width:641px){.form-grid>.field>label{display:flex;align-items:flex-end;min-height:4.5em}}
@media (max-width:640px){.form-grid>.field>label{min-height:0}}
.field label{font-weight:750;color:var(--text);font-size:.87rem}.field input,.field select{
  min-height:46px;padding:.72rem .85rem;border-radius:13px;background:var(--surface-2);border:1px solid var(--border);color:var(--text);
}
.field input:focus,.field select:focus{outline:3px solid color-mix(in srgb,var(--primary) 22%,transparent);border-color:var(--primary)}
.actions{gap:.7rem;margin:1rem 0;align-items:center}.btn-primary,.btn-ghost{border-radius:13px;font-weight:800;padding:.78rem 1.2rem;font-size:.97rem}.btn-primary{box-shadow:0 10px 20px color-mix(in srgb,var(--primary) 22%,transparent)}
.result{display:none;background:linear-gradient(135deg,color-mix(in srgb,var(--primary) 11%,var(--surface)),var(--surface-2));border:1px solid color-mix(in srgb,var(--primary) 28%,var(--border));border-radius:18px;padding:1.2rem;margin-top:1rem}.result.show{display:block}
.result h3{color:var(--muted);font-size:.8rem}.result .value{font-size:clamp(1.65rem,4vw,2.35rem);color:var(--primary);font-weight:900;overflow-wrap:anywhere}.result .lines{font-size:.95rem;color:var(--muted)}
.article h2:first-child{margin-top:0}.article-section{border-bottom:1px solid var(--border);padding:1.1rem 0;margin:0}.article-section h2{font-size:1.35rem;margin:.3rem 0 .9rem}.article-section p{color:color-mix(in srgb,var(--text) 90%,var(--muted));max-width:78ch}
.related h2{margin-top:0}.related-grid{grid-template-columns:1fr;gap:.6rem}.related-grid li a{padding:.75rem .85rem;font-size:.92rem}
.cookie{background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(16px);border-top:1px solid var(--border);box-shadow:0 -12px 40px rgba(16,24,39,.12);z-index:40;max-height:112px;overflow:auto}
.cookie[hidden]{display:none!important}.cookie-row{max-width:1180px;padding:.75rem 1rem}.site-footer{background:transparent;border-top:1px solid var(--border);color:var(--muted)}
.market-list{gap:.75rem}.market-list a{border-radius:16px;background:var(--surface);box-shadow:var(--shadow-soft)}
@media (max-width:760px){.header-row{flex-wrap:wrap}.brand{width:100%}.nav-cats{order:3;width:100%;justify-content:flex-start}.header-tools{margin-left:auto}.hero,.calc-hero{border-radius:22px;padding:1.6rem}.hero h1,.calc-hero h1{font-size:2.45rem}.actions{display:grid;grid-template-columns:1fr}.btn-primary,.btn-ghost{width:100%}}

/* ===== Premium result: KPI cards, charts, tables ===== */
.result .value{margin-bottom:.15rem}
.result .extra{margin-top:1rem;display:grid;gap:1rem}
.kpis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem;align-items:stretch}
@media (min-width:640px){.kpis{grid-template-columns:repeat(4,minmax(0,1fr))}.kpis:has(.kpi:nth-child(3):last-child){grid-template-columns:repeat(3,minmax(0,1fr))}.kpis:has(.kpi:nth-child(2):last-child){grid-template-columns:repeat(2,minmax(0,1fr))}.kpis:has(.kpi:nth-child(6)){grid-template-columns:repeat(3,minmax(0,1fr))}}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:.85rem 1rem;box-shadow:0 1px 0 rgba(16,24,39,.03);display:flex;flex-direction:column;justify-content:space-between;min-height:5.25rem}
.kpi-label{font-size:.72rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.35rem;min-height:2.1em;display:flex;align-items:flex-start;line-height:1.15}
.kpi-value{font-size:1.15rem;font-weight:800;color:var(--text);overflow-wrap:anywhere;margin-top:auto;line-height:1.2}
.kpi.tone-primary{border-color:color-mix(in srgb,var(--primary) 45%,var(--border));background:linear-gradient(135deg,color-mix(in srgb,var(--primary) 14%,var(--surface)),var(--surface))}
.kpi.tone-primary .kpi-value{color:var(--primary)}
.kpi.tone-success{border-color:color-mix(in srgb,#16a34a 40%,var(--border))}
.kpi.tone-success .kpi-value{color:#16a34a}
.kpi.tone-warn{border-color:color-mix(in srgb,var(--accent-2) 40%,var(--border))}
.kpi.tone-warn .kpi-value{color:var(--accent-2)}
.kpi.tone-muted .kpi-value{color:var(--text)}
html[data-theme="dark"] .kpi.tone-success .kpi-value{color:#4ade80}

.charts{display:grid;gap:1rem;grid-template-columns:1fr}
@media (min-width:720px){.charts:has(.chart-donut):has(.chart-line){grid-template-columns:280px 1fr}.charts:has(.chart-donut):has(.chart-bar){grid-template-columns:280px 1fr}}
.chart{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:1rem;color:var(--text)}
.chart svg{width:100%;height:auto;display:block}
.chart-donut svg{max-width:220px;margin:0 auto}
.legend{margin-top:.6rem;display:grid;gap:.35rem;font-size:.85rem}
.lg-item{display:grid;grid-template-columns:14px 1fr auto;gap:.55rem;align-items:center}
.lg-swatch{width:12px;height:12px;border-radius:4px;display:inline-block}
.lg-label{color:var(--muted)}
.lg-value{font-weight:700;color:var(--text)}

.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:.5rem 1rem 1rem;overflow:auto}
.table-wrap summary{cursor:pointer;padding:.65rem 0;font-weight:700;color:var(--text);list-style:none;display:flex;align-items:center;gap:.5rem}
.table-wrap summary::before{content:"▸";transition:transform .18s;font-size:.7em;color:var(--primary)}
.table-wrap[open] summary::before{transform:rotate(90deg)}
.table-wrap table{width:100%;border-collapse:collapse;font-size:.9rem;margin-top:.4rem}
.table-wrap caption{display:none}
.table-wrap th,.table-wrap td{padding:.5rem .7rem;text-align:right;border-bottom:1px solid var(--border)}
.table-wrap th:first-child,.table-wrap td:first-child{text-align:left}
.table-wrap thead th{background:var(--surface-2);position:sticky;top:0;font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.table-wrap tr:last-child td{border-bottom:none}
.table-wrap tr:nth-child(even) td{background:color-mix(in srgb,var(--surface-2) 40%,transparent)}

/* ============ Colorful homepage (v5) ============ */
/* ===== Home hero (split, animated "math flux") ===== */
.home-hero{
  position:relative;overflow:hidden;border-radius:32px;margin:14px 0 26px;
  background:
    radial-gradient(circle at 12% 22%, rgba(99,102,241,.32), transparent 42%),
    radial-gradient(circle at 88% 78%, rgba(236,72,153,.22), transparent 46%),
    radial-gradient(circle at 62% 8%, rgba(14,165,233,.24), transparent 40%),
    linear-gradient(135deg,#0b1024,#141b3d 45%,#1b1d4a);
  color:#fff;padding:clamp(2.4rem,5vw,4.4rem) clamp(1.4rem,4vw,3.4rem);
  box-shadow:0 30px 60px -20px rgba(15,23,42,.5);
}
.home-hero--split{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(1.5rem,4vw,3rem);align-items:center}
.home-hero-inner{position:relative;z-index:2;max-width:640px}
.home-hero-kicker{font-size:.82rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:#c7d2fe;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  padding:.5rem .95rem;border-radius:999px;display:inline-flex;align-items:center;gap:.55rem;margin-bottom:1.4rem;backdrop-filter:blur(8px)}
.home-hero h1{font-size:clamp(2.4rem,5.4vw,4.4rem);line-height:1.02;font-weight:950;margin:0 0 1rem;color:#fff;letter-spacing:-.02em;
  background:linear-gradient(90deg,#fff 0%,#c7d2fe 55%,#f472b6 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.home-hero .lede{font-size:clamp(1.02rem,1.5vw,1.22rem);color:#cbd5e1;max-width:560px;margin:0 0 2rem;line-height:1.6}
.home-search-wrap{position:relative;max-width:560px}
.home-search-ico{position:absolute;left:1.1rem;top:50%;transform:translateY(-50%);font-size:1.1rem;z-index:1;opacity:.7}
.home-hero #cat-search{
  width:100%;padding:1.1rem 1.2rem 1.1rem 3rem;border-radius:16px;font-size:1.05rem;font-weight:500;
  background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.4);color:#0f172a;
  box-shadow:0 12px 30px -10px rgba(0,0,0,.35);
}
.home-hero #cat-search:focus{outline:none;border-color:#a5b4fc;box-shadow:0 0 0 4px rgba(165,180,252,.35),0 12px 30px -10px rgba(0,0,0,.35)}
.hero-bg{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(52px);opacity:.55}
.orb-a{width:340px;height:340px;background:#7c3aed;top:-60px;right:-60px}
.orb-b{width:240px;height:240px;background:#0ea5e9;bottom:-80px;left:22%}
.orb-c{width:180px;height:180px;background:#ec4899;top:38%;right:38%}
.glyph{position:absolute;font-family:"Times New Roman",serif;font-weight:700;color:rgba(255,255,255,.09);user-select:none;line-height:1;animation:floatY 9s ease-in-out infinite}
.glyph.g1{top:6%;left:6%;font-size:5.5rem;animation-delay:0s}
.glyph.g2{top:14%;right:42%;font-size:3.8rem;animation-delay:1.3s}
.glyph.g3{bottom:12%;left:14%;font-size:4.2rem;animation-delay:.6s}
.glyph.g4{top:52%;left:44%;font-size:3.2rem;animation-delay:2.1s}
.glyph.g5{bottom:30%;left:35%;font-size:3rem;animation-delay:1.8s}
.glyph.g6{top:28%;right:8%;font-size:3.6rem;animation-delay:.9s}
.glyph.g7{bottom:8%;right:30%;font-size:2.8rem;animation-delay:2.6s}
.glyph.g8{top:70%;right:12%;font-size:3.4rem;animation-delay:1.1s}
@keyframes floatY{0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-18px) rotate(6deg)}}

/* Right-side "math flux" cards */
.hero-flux{position:relative;z-index:2;display:flex;flex-direction:column;gap:.9rem;perspective:1200px}
.flux-card{
  position:relative;display:block;padding:1.1rem 1.25rem;border-radius:18px;text-decoration:none;color:#f8fafc;
  background:rgba(15,23,42,.55);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(14px);
  box-shadow:0 18px 40px -20px rgba(0,0,0,.55);
  transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  animation:floatCard 7s ease-in-out infinite;
}
.flux-card::before{content:"";position:absolute;inset:0;border-radius:18px;padding:1px;
  background:linear-gradient(135deg,rgba(165,180,252,.55),transparent 45%,rgba(244,114,182,.35));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;opacity:.7}
.flux-card--a{transform:translateX(28px) rotate(-1.2deg);animation-delay:0s}
.flux-card--b{transform:translateX(-8px) rotate(.8deg);animation-delay:1.4s;background:rgba(79,70,229,.28);border-color:rgba(165,180,252,.35)}
.flux-card--c{transform:translateX(38px) rotate(-.6deg);animation-delay:2.8s}
.flux-card:hover{transform:translateX(0) rotate(0);border-color:rgba(165,180,252,.6);box-shadow:0 24px 50px -18px rgba(99,102,241,.55)}
@keyframes floatCard{0%,100%{translate:0 0}50%{translate:0 -10px}}
.flux-meta{display:flex;justify-content:space-between;align-items:center;font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#a5b4fc;margin-bottom:.55rem}
.flux-eq{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1rem;color:#e2e8f0;margin-bottom:.5rem}
.flux-op{color:#a5b4fc;padding:0 .15rem}
.flux-num{transition:color .3s ease,transform .3s ease;display:inline-block}
.flux-num.flash{color:#f472b6;transform:scale(1.06)}
.flux-result{display:flex;align-items:baseline;gap:.5rem;font-size:1.55rem;font-weight:900;color:#fff;letter-spacing:-.01em}
.flux-result small{font-size:.78rem;font-weight:600;color:#94a3b8;letter-spacing:.02em}

@media (max-width:900px){
  .home-hero--split{grid-template-columns:1fr;gap:1.6rem}
  .hero-flux{flex-direction:row;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:.5rem;margin:0 -.5rem}
  .flux-card{flex:0 0 78%;scroll-snap-align:start;transform:none!important;animation:none}
}


.trust-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.9rem;margin:0 0 2.4rem}
.trust-item{display:flex;gap:.8rem;align-items:flex-start;padding:1rem 1.1rem;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:0 1px 0 rgba(16,24,39,.04)}
.trust-ico{font-size:1.6rem;line-height:1}
.trust-item strong{display:block;color:var(--text);font-size:.98rem;margin-bottom:.15rem}
.trust-item p{margin:0;color:var(--muted);font-size:.85rem;line-height:1.45}

.home-h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:900;letter-spacing:-.01em;margin:2.4rem 0 1.1rem}

.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.9rem}
.cat-card{
  --cat-grad:linear-gradient(135deg,#64748b,#334155);
  position:relative;overflow:hidden;display:flex;align-items:center;gap:.9rem;
  padding:1.15rem 1.2rem;border-radius:20px;text-decoration:none;
  background:var(--surface);border:1px solid var(--border);
  color:var(--text);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cat-card::before{
  content:"";position:absolute;inset:0;background:var(--cat-grad);opacity:0;transition:opacity .25s ease;z-index:0;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px -18px rgba(15,23,42,.25);border-color:transparent;color:#fff}
.cat-card:hover::before{opacity:1}
.cat-card > *{position:relative;z-index:1}
.cat-icon{
  width:52px;height:52px;flex-shrink:0;border-radius:14px;display:grid;place-items:center;
  background:var(--cat-grad);color:#fff;font-size:1.5rem;box-shadow:0 6px 16px -6px rgba(15,23,42,.25);
}
.cat-body h3{margin:0;font-size:1.05rem;font-weight:800}
.cat-body p{margin:.15rem 0 0;color:var(--muted);font-size:.85rem}
.cat-card:hover .cat-body p{color:rgba(255,255,255,.85)}
.cat-arrow{margin-left:auto;font-size:1.3rem;opacity:.4;transition:transform .2s ease,opacity .2s ease}
.cat-card:hover .cat-arrow{opacity:1;transform:translateX(4px)}

.feat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}
.feat-card{
  display:flex;flex-direction:column;gap:.55rem;padding:1.3rem 1.3rem 1.4rem;border-radius:20px;
  background:var(--surface);border:1px solid var(--border);text-decoration:none;color:var(--text);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;position:relative;overflow:hidden;
}
.feat-card:hover{transform:translateY(-3px);box-shadow:0 16px 34px -18px rgba(15,23,42,.22);border-color:color-mix(in srgb,var(--primary) 40%,var(--border));color:var(--text)}
.feat-badge{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:#fff;font-size:1.3rem;box-shadow:0 6px 14px -6px rgba(0,0,0,.25)}
.feat-card h3{margin:.2rem 0 0;font-size:1.08rem;font-weight:800;line-height:1.25}
.feat-card p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.5}

/* category page hero + rows */
.cat-hero{
  --cat-grad:linear-gradient(135deg,#64748b,#334155);
  display:flex;align-items:center;gap:1.2rem;padding:1.6rem 1.8rem;border-radius:24px;
  background:var(--cat-grad);color:#fff;margin:.5rem 0 1.4rem;box-shadow:0 20px 40px -18px rgba(15,23,42,.3);
}
.cat-hero h1{margin:0;color:#fff;font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.05;font-weight:900}
.cat-hero .hero-kicker{color:rgba(255,255,255,.85)}
.cat-hero-icon{
  width:64px;height:64px;flex-shrink:0;border-radius:16px;background:rgba(255,255,255,.15);
  display:grid;place-items:center;font-size:1.9rem;backdrop-filter:blur(6px);
}
.calc-rows{display:grid;gap:.55rem;margin-top:1rem}
.calc-row{
  display:flex;align-items:center;gap:.8rem;padding:.95rem 1.15rem;border-radius:14px;
  background:var(--surface);border:1px solid var(--border);color:var(--text);text-decoration:none;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.calc-row:hover{transform:translateX(3px);border-color:color-mix(in srgb,var(--primary) 45%,var(--border));box-shadow:0 6px 20px -12px rgba(15,23,42,.2);color:var(--text)}
.calc-row-body h3{margin:0;font-size:1rem;font-weight:750}
.calc-row-body p{margin:.15rem 0 0;color:var(--muted);font-size:.85rem;line-height:1.4}
.calc-row-arrow{margin-left:auto;opacity:.4;font-size:1.15rem}
.calc-row:hover .calc-row-arrow{opacity:1;color:var(--primary)}

/* calc hero with category badge */
.calc-hero{
  --cat-grad:linear-gradient(135deg,#0ea5e9,#6366f1);
  display:flex;gap:1.3rem;align-items:flex-start;position:relative;
}
.calc-hero-badge{
  width:52px;height:52px;flex-shrink:0;border-radius:14px;background:var(--cat-grad);
  display:grid;place-items:center;color:#fff;font-size:1.55rem;box-shadow:0 10px 20px -10px rgba(15,23,42,.35);
  position:relative;z-index:1;
}
.calc-hero-body{flex:1;min-width:0}
@media (max-width:640px){
  .calc-hero{flex-direction:column;gap:.9rem}
  .home-hero{border-radius:22px}
  .home-hero h1{font-size:2.35rem}
  .cat-hero{flex-direction:column;text-align:center;align-items:center}
}

/* ===== Explainer block (per-calc rich content) ===== */
.explainer{margin:20px 0;display:flex;flex-direction:column;gap:14px}
.explain-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.explain-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.explain-card.wide{grid-column:1/-1}
.explain-card h3{margin:0 0 10px;font-size:1rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.formula-box{background:var(--surface-2);border-left:3px solid var(--primary);padding:12px 14px;border-radius:8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.95rem;color:var(--text);overflow-x:auto;white-space:nowrap}
.diagram-box svg{width:100%;height:auto;color:var(--text)}
.worked-ex{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:.95rem}
.ex-params{display:flex;flex-wrap:wrap;gap:6px}
.ex-token{background:var(--surface-2);padding:4px 9px;border-radius:6px;font-size:.85rem;color:var(--text)}
.ex-arrow{color:var(--muted);font-size:1.3rem;font-weight:700}
.ex-result{background:color-mix(in oklab,var(--primary) 10%,var(--surface));padding:8px 12px;border-radius:8px;color:var(--text);flex:1;min-width:220px}
.field-guide{margin:0;padding-left:18px;font-size:.95rem;line-height:1.55}
.field-guide li{margin-bottom:6px}
.faq-box details{border:1px solid var(--border);border-radius:8px;padding:10px 14px;margin-bottom:8px;background:var(--surface-2)}
.faq-box details[open]{border-color:var(--primary)}
.faq-box summary{cursor:pointer;font-weight:600;color:var(--text)}
.faq-box p{margin:8px 0 0;color:var(--muted);font-size:.93rem}
@media(max-width:720px){
  .explain-grid{grid-template-columns:1fr}
  .formula-box{white-space:normal}
  .worked-ex{flex-direction:column;align-items:flex-start}
  .ex-arrow{transform:rotate(90deg)}
}

/* ===== AI-generated article styling ===== */
.editorial-article h2{font-size:1.35rem;margin:28px 0 12px;color:var(--text);font-weight:700;line-height:1.3}
.editorial-article h3{font-size:1.1rem;margin:18px 0 8px;color:var(--text);font-weight:600}
.editorial-article p{margin:0 0 12px;line-height:1.7;color:var(--text)}
.editorial-article ol.editorial-steps{padding-left:22px;margin:8px 0 16px}
.editorial-article ol.editorial-steps li{margin-bottom:10px;line-height:1.6}
.worked-example{background:var(--surface-2);border-left:3px solid var(--primary);padding:12px 16px;border-radius:8px;margin:12px 0}
.worked-example h3{margin-top:0}
.worked-example p{margin:4px 0;font-size:.95rem}
.faq-list{display:flex;flex-direction:column;gap:8px}
.faq-item{border:1px solid var(--border);border-radius:8px;padding:12px 16px;background:var(--surface-2)}
.faq-item[open]{border-color:var(--primary)}
.faq-item summary{cursor:pointer;font-weight:600;color:var(--text);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"+ ";color:var(--primary);font-weight:700}
.faq-item[open] summary::before{content:"− "}
.faq-item p{margin:8px 0 0;color:var(--muted);line-height:1.6}
.editorial-related{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}
.editorial-related li a{display:block;padding:10px 14px;background:var(--surface-2);border-radius:8px;color:var(--primary);text-decoration:none;font-weight:500;border:1px solid var(--border)}
.editorial-related li a:hover{background:color-mix(in oklab,var(--primary) 10%,var(--surface));border-color:var(--primary)}

/* ===== Global search dropdown ===== */
.search-dd{position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:0 12px 32px rgba(0,0,0,.35);z-index:60;overflow:hidden;max-height:60vh;overflow-y:auto}
.search-dd-item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;text-decoration:none;color:var(--text);border-bottom:1px solid var(--border)}
.search-dd-item:last-child{border-bottom:none}
.search-dd-item:hover,.search-dd-item.is-active{background:color-mix(in oklab,var(--primary) 12%,var(--surface))}
.search-dd-name{font-weight:600;font-size:.95rem}
.search-dd-cat{font-size:.8rem;color:var(--muted);white-space:nowrap}
.search-dd-empty{padding:12px 14px;color:var(--muted);font-size:.9rem;text-align:center}

/* ===== Field hint + form guide ===== */
.field-hint{display:block;margin-top:6px;font-size:.82rem;color:var(--muted);line-height:1.45}
.form-guide{background:color-mix(in oklab,var(--primary) 10%,var(--surface));border:1px solid color-mix(in oklab,var(--primary) 30%,var(--border));border-left:3px solid var(--primary);border-radius:10px;padding:12px 16px;margin:0 0 18px}
.form-guide strong{display:block;margin-bottom:4px;color:var(--text);font-size:.95rem}
.form-guide p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.55}
.form-guide .law-note{margin-top:8px;padding-top:8px;border-top:1px dashed color-mix(in oklab,var(--primary) 25%,var(--border));font-size:.85rem;color:var(--text)}
.form-guide .law-note strong{display:inline;margin:0;color:var(--primary);font-size:.85rem}
.result .lines{display:flex;flex-direction:column;gap:6px;margin-top:10px}

/* ===== Construction practical tips card ===== */
.construction-tips{background:linear-gradient(180deg,color-mix(in oklab,var(--primary) 8%,var(--surface)),var(--surface));border:1px solid color-mix(in oklab,var(--primary) 22%,var(--border));border-left:4px solid var(--primary)}
.construction-tips h3{color:var(--primary);font-size:.95rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin:0 0 12px}
.construction-tips .tips-prose{margin:0 0 14px;color:var(--text);font-size:1rem;line-height:1.65}
.construction-tips .tips-list{margin:0;padding-left:1.2rem;display:flex;flex-direction:column;gap:8px}
.construction-tips .tips-list li{color:var(--text);font-size:.95rem;line-height:1.55}
.construction-tips .tips-list li::marker{color:var(--primary);font-weight:800}

/* Bigger, cleaner result value */
.result .value{font-size:2.2rem;font-weight:800;color:var(--primary);letter-spacing:-.01em}
.result h3{color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;font-weight:600;margin:0 0 8px}
.result .lines{font-size:.94rem;color:var(--text);line-height:1.6}

/* Tighter form-guide (referencing popular.bg feel) */
.form-guide{background:color-mix(in oklab,var(--primary) 6%,var(--surface));padding:10px 14px;margin-bottom:14px}
.form-guide p{font-size:.87rem;line-height:1.5}

/* Category SEO block (intro, presets, FAQ, related) */
.cat-seo{margin:28px 0 8px}
.cat-seo p{color:var(--text);line-height:1.65;margin:0 0 12px;font-size:1rem}
.cat-seo h2,.cat-faq h2,.cat-related h2{margin:26px 0 12px;font-size:1.25rem;font-weight:800;color:var(--text)}
.cat-presets{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.cat-presets li{padding:12px 14px;background:var(--surface);border:1px solid var(--border);border-radius:10px;line-height:1.5}
.cat-presets a{color:var(--primary);text-decoration:none;font-weight:700}
.cat-presets a:hover{text-decoration:underline}
.cat-faq{margin-top:24px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px 14px;margin-bottom:8px}
.faq-item summary{cursor:pointer;font-weight:700;color:var(--text);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";float:right;color:var(--muted);font-weight:400}
.faq-item[open] summary::after{content:"−"}
.faq-item>div{margin-top:10px;color:var(--text);line-height:1.6;font-size:.95rem}
.faq-item code,.cat-seo code{background:color-mix(in oklab,var(--primary) 10%,var(--surface));padding:1px 6px;border-radius:4px;font-size:.9em}
.market-guidance{margin:0 0 24px;padding:20px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}
.market-guidance h2{margin:0 0 12px;font-size:1.35rem;line-height:1.3}
.market-guidance p{margin:0 0 12px;line-height:1.7}
.market-guidance p:last-child{margin-bottom:0}
.local-reference{margin:16px 0 0;padding:16px;border-left:3px solid var(--primary);border-radius:8px;background:var(--surface-2)}
.local-reference h3{margin:0 0 10px;font-size:1.05rem}
.local-reference p{margin:0 0 10px;line-height:1.65}
.local-reference p:last-child{margin-bottom:0}
.cat-related{margin-top:24px}

/* Lottery disclaimer */
.lottery-disclaimer{font-size:.85rem;color:var(--muted);line-height:1.5;margin:0 0 14px;padding:10px 12px;background:color-mix(in oklab,var(--warn) 8%,var(--surface));border:1px solid color-mix(in oklab,var(--warn) 25%,var(--border));border-radius:8px}