/* OwlToolkit "Night Owl" theme: indigo #2E3A8C + amber #F5A524, Snowy Owl typography, simplified layout.
   Contrast is checked in tests/theme-contrast.test.js. Old variable names (--bg --card --ink --muted --accent --accent2 --line) stay for tool CSS. */
*{box-sizing:border-box}
:root{--primary:#2E3A8C;--primary-dark:#1F2766;--amber:#F5A524;--link:#2E3A8C;--bg:#FFFFFF;--card:#FFFFFF;--soft:#F5F6FB;--ink:#141A33;--muted:#525A75;
 --line:#E2E5F0;--line-strong:#8189A6;--accent:#2E3A8C;--accent2:#F1F3FB;--on-primary:#FFFFFF;--danger:#B42318;--focus:#2E3A8C;--radius:12px;
 --night:#2E3A8C;--night-ink:#FFFFFF;--night-muted:#D5DAF0;--night-link:#FFD58A;--night-line:#4A56A6}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
a{color:var(--link);text-underline-offset:2px}
a:hover{color:var(--primary-dark)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}

/* Header: logo + category links */
header.top{background:var(--bg);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px}
.logo{display:flex;align-items:center;text-decoration:none}
.logo img{height:32px;width:auto;display:block}
.nav{display:flex;gap:18px;font-size:.88rem}
.nav a{text-decoration:none;color:var(--muted);font-weight:500}
.nav a:hover{color:var(--ink)}

/* Title block (Snowy Owl type scale) */
.crumbs ol{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-wrap:wrap;font-size:.8rem;color:var(--muted)}
.crumbs li+li::before{content:"/";margin:0 8px;color:var(--line-strong)}
.crumbs a{text-decoration:none;color:var(--muted)}
.crumbs a:hover{color:var(--link)}
h1{font-size:1.85rem;line-height:1.2;font-weight:800;letter-spacing:-.02em;margin:6px 0 6px}
.lead{color:var(--muted);margin:0 0 18px;max-width:720px}
h2{font-size:1.05rem;line-height:1.3;margin:0 0 12px;text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.guide h2,.prose h2{font-size:1.15rem;text-transform:none;letter-spacing:-.005em}
.guide h2::before,#faq h2::before,.related h2::before{content:"";display:block;width:28px;height:3px;background:var(--amber);border-radius:2px;margin:0 0 10px}
h3{font-size:1rem}

/* Sections: no boxes; only the tool keeps a card */
.card{background:transparent;border:0;border-top:1px solid var(--line);border-radius:0;padding:28px 0 4px;margin:0}
.card.calc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 1px 2px rgba(20,26,51,.06),0 8px 24px rgba(20,26,51,.06);padding:22px;margin:0 0 28px}
.prose{max-width:720px}
.guide h2{margin-top:28px}.guide h2:first-child{margin-top:0}
.guide p{margin:0 0 12px;font-size:.97rem}

/* Tool layout */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.calc>*{min-width:0}
label{display:block;font-weight:600;font-size:.9rem;margin:0 0 4px}
.field{margin-bottom:12px}
input[type=number],input[type=text],input[type=url],input[type=date],select,textarea{width:100%;padding:9px 11px;font:inherit;font-size:1rem;color:var(--ink);border:1px solid var(--line-strong);border-radius:7px;background:#fff}
input:focus,select:focus,textarea:focus{border-color:var(--primary);outline:2px solid #F5A52466;outline-offset:0}
input[type=range],input[type=checkbox],input[type=radio]{accent-color:var(--primary)}
.hint{font-size:.82rem;color:var(--muted)}
.check{display:flex;gap:8px;align-items:center;font-weight:500}
.err{color:var(--danger);font-size:.88rem;min-height:1.2em}
button{font:inherit}
.btn{font:inherit;font-weight:600;background:var(--primary);color:var(--on-primary);border:0;border-radius:7px;padding:9px 16px;cursor:pointer}
.btn:hover{background:var(--primary-dark)}

/* Results: the indigo "night" panel with an amber headline number, sticky on desktop */
.result{align-self:start;position:sticky;top:16px;border-radius:10px;padding:18px 20px;background:var(--night);color:var(--night-ink);
 --ink:var(--night-ink);--muted:var(--night-muted);--link:var(--night-link);--line:var(--night-line);--bg:var(--night);--accent:var(--amber)}
.result a{color:var(--night-link)}.result a:hover{color:#FFFFFF}
.result>div:first-child{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--night-muted)}
.big{font-size:2.6rem;font-weight:800;color:var(--amber);line-height:1.1;margin:2px 0 4px;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.kv{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--night-line);padding:7px 0;font-size:.95rem}
.result table{font-size:.9rem}
.result th,.result td{border-bottom:1px solid var(--night-line);padding:6px 4px}
.result thead th{background:transparent;color:var(--night-muted);font-weight:700;font-size:.76rem;text-transform:uppercase;letter-spacing:.05em}
.result .pc-tbl tr.total td{border-top-color:var(--amber)}
/* Light widgets that sit inside the dark panel keep dark text */
.result :is(input,select,textarea,pre,code,.tf-out,.md-pane,.tf-ta,.tf-in,.tf-btn,.rx-btn,.pl-rate,.psc-tog,.tf-snip){color:#141A33;--ink:#141A33;--muted:#525A75;--link:#2E3A8C;--line:#E2E5F0;--accent:#2E3A8C}
.result :is(.pl-rate) a{color:#2E3A8C}
.bar{height:8px;background:var(--amber);border-radius:6px;overflow:hidden;margin:12px 0 4px}
.bar div{height:100%;background:var(--night-muted)}
.legend{font-size:.8rem;color:var(--muted)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin:0 4px 0 10px;vertical-align:middle}

/* Tables */
.tbl{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.9rem;font-variant-numeric:tabular-nums}
th,td{padding:7px 10px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
th:first-child,td:first-child{text-align:left}
thead th{background:var(--bg);position:sticky;top:0;font-weight:600}

/* FAQ as a +/- list */
details{border-bottom:1px solid var(--line);padding:11px 0}
details summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";color:var(--primary);font-weight:700;font-size:1.15rem;line-height:1}
details[open] summary::after{content:"\2212"}
details p{margin:8px 0 0;color:var(--muted)}

/* Related tools: quiet two-column list, hub link last */
.related ul{list-style:none;padding:0;margin:0 0 12px;columns:2 320px;column-gap:32px}
.related li{margin:0 0 8px;color:var(--muted);font-size:.92rem;break-inside:avoid}
.related li a{font-weight:600;text-decoration:none}
.related li a:hover{text-decoration:underline}
.related p a{font-weight:600}
.related .grid{columns:auto}

/* Long link lists (states, years): no bullets, no underline */
.pc-states{list-style:none;padding-left:0;columns:4 150px;margin:0}
.pc-states li{margin:2px 0}
.pc-states a{text-decoration:none}.pc-states a:hover{text-decoration:underline}

/* Hubs and home */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin:0 0 28px}
.tcard{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;text-decoration:none;color:var(--ink)}
.tcard:hover{border-color:var(--primary)}.tcard b{display:block;color:var(--link);margin-bottom:2px}.tcard span{font-size:.9rem;color:var(--muted)}
.hub-group{margin-top:8px}.hub-group>.hint{margin:-6px 0 12px}
.soon li{color:var(--muted)}
.guide-page h1{margin-top:12px}
.guide-page .card{border-top:0;padding-top:0}

/* Footer: light and quiet */
footer{background:var(--soft);color:var(--muted);margin-top:48px;padding:28px 0 20px;font-size:.88rem;border-top:1px solid var(--line)}
footer a{color:var(--ink);text-decoration:none}
footer a:hover{color:var(--primary);text-decoration:underline}
footer .flogo{display:block;height:26px;width:auto;margin:0 0 14px}
footer .fcats{display:flex;flex-wrap:wrap;gap:6px 22px;margin:0 0 14px;font-weight:600}
footer ul{list-style:none;padding:0;margin:8px 0 16px;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:4px 16px}
footer h3{color:var(--ink);font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;margin:0}
footer p{margin:6px 0}
footer .sister{border-top:1px solid var(--line);margin-top:12px;padding-top:12px}

/* Mobile sticky result bar (built by /assets/site.js on tool pages) */
.mbar{display:none}
@media(max-width:760px){
 .calc{grid-template-columns:minmax(0,1fr)}h1{font-size:1.5rem}.result{position:static}.card.calc{padding:16px}
 .mbar{position:fixed;left:0;right:0;bottom:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:var(--night);color:var(--night-ink);text-decoration:none;box-shadow:0 -4px 16px rgba(20,26,51,.18);transform:translateY(110%);transition:transform .2s ease}
 .mbar.show{transform:none}.mbar span{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--night-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
 .mbar b{font-size:1.3rem;color:var(--amber);white-space:nowrap;font-variant-numeric:tabular-nums}
 .mbar:hover{color:var(--night-ink)}
}
@media(max-width:560px){header.top .wrap{height:auto;flex-wrap:wrap;gap:4px 16px;padding-top:10px;padding-bottom:8px}.nav{width:100%;overflow-x:auto;white-space:nowrap;gap:16px;font-size:.84rem}}
@media(prefers-reduced-motion:reduce){.mbar{transition:none}}