/* ---------- theme tokens ----------
   Dark is the default. The <html data-theme="light|dark"> attribute is set by
   the inline script in base.html before first paint, so there is no flash and
   no duplicate light block behind a prefers-color-scheme media query: theme
   resolution lives in exactly one place (that script). */
:root {
  --orange: #e57a2e;
  --orange-hi: #f18e3f;
  --font: "Segoe UI", Roboto, "Helvetica Neue", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  color-scheme: dark;
  --navy: #0f1c34;          /* page background */
  --navy-2: #16264a;        /* alternating band */
  --panel: #182a4e;         /* cards, panels */
  --line: #26395f;
  --inset: rgba(9, 18, 36, .55);   /* chips, expiry box: recessed surfaces */
  --text: #eef3fb;
  --text-strong: #ffffff;
  --text-soft: #cbd8ee;
  --muted: #9db0d0;
  --code: #b9c8e2;
  --green: #4bb98a;
  --link: var(--orange);
  --link-hi: var(--orange-hi);
  --accent-soft: rgba(229, 122, 46, .16);
  --badge-text: var(--orange-hi);

  --nav: #cddaf0;
  --footer-bg: #0b1628;
  --footer-note: #6f819f;

  --search-bg: #ffffff;
  --search-border: transparent;
  --search-text: #16264a;
  --search-placeholder: #8b98ab;
  --search-icon: #6b7a90;
  --shadow: 0 18px 44px rgba(4, 10, 24, .45);

  --hero-globe: url("/static/img/globe.svg");
  --hero-overlay: linear-gradient(180deg, rgba(15, 28, 52, .55) 0%, rgba(15, 28, 52, .15) 45%, rgba(15, 28, 52, .9) 100%);
  --hero-sub: #dbe5f5;
  --hero-shadow: 0 2px 24px rgba(6, 14, 30, .55);
  --hero-example: #ffffff;
}

:root[data-theme="light"] {
  color-scheme: light;
  --navy: #f5f8fc;
  --navy-2: #eaf0f8;
  --panel: #ffffff;
  --line: #d7e0ee;
  --inset: #f2f6fb;
  --text: #16264a;
  --text-strong: #0f1c34;
  --text-soft: #40506e;
  --muted: #5c6d8b;
  --code: #35475f;
  --green: #1a7f57;
  /* Plain #e57a2e only reaches ~2.7:1 on white, so links and small accent
     text get a deeper orange while buttons keep the brand tone. */
  --link: #a85410;
  --link-hi: #85410c;
  --accent-soft: rgba(229, 122, 46, .14);
  --badge-text: #a8530f;

  --nav: #44546f;
  --footer-bg: #eef2f8;
  --footer-note: #616e86;

  --search-bg: #ffffff;
  --search-border: #d7e0ee;
  --search-text: #16264a;
  --search-placeholder: #8b98ab;
  --search-icon: #6b7a90;
  --shadow: 0 14px 34px rgba(24, 42, 78, .13);

  --hero-globe: url("/static/img/globe-light.svg");
  --hero-overlay: linear-gradient(180deg, rgba(246, 249, 253, .5) 0%, rgba(246, 249, 253, .1) 45%, rgba(246, 249, 253, .93) 100%);
  --hero-sub: #3d4e6c;
  --hero-shadow: 0 2px 18px rgba(255, 255, 255, .7);
  --hero-example: #2b3c59;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--navy);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hi); text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .6em; font-weight: 700; }
p { margin: 0 0 1em; }
code { font-family: var(--mono); font-size: .9em; }

.wrap { width: min(1120px, 92vw); margin: 0 auto; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.center { text-align: center; }
.mono { font-family: var(--mono); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* ---------- header ---------- */
.site-header {
  position: absolute; top: 0; left: 0; right: 0; z-index: 5;
  padding: 18px 0;
}
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--text-strong); font-weight: 700; font-size: 1.15rem; letter-spacing: .2px;
}
.brand:hover { color: var(--text-strong); text-decoration: none; }
.brand-mark { width: 26px; height: 26px; color: var(--orange); }
.brand-dot { color: var(--orange); }
.header-end { display: flex; align-items: center; gap: 22px; }
.site-nav { display: flex; gap: 26px; font-size: .95rem; font-weight: 600; }
.site-nav a { color: var(--nav); }
.site-nav a:hover { color: var(--text-strong); text-decoration: none; }

/* ---------- theme selector ----------
   Hidden until the head script sets data-theme, so it never shows up as a
   dead control when JavaScript is unavailable. */
.theme-switch { display: none; }
:root[data-theme] .theme-switch {
  display: inline-flex; align-items: center; gap: 2px;
  background: var(--inset);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
}
.theme-switch button {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 26px; padding: 0;
  border: 0; border-radius: 999px; cursor: pointer;
  background: transparent; color: var(--nav);
  transition: background .15s ease, color .15s ease;
}
.theme-switch button svg { width: 15px; height: 15px; }
.theme-switch button:hover { color: var(--text-strong); }
.theme-switch button[aria-pressed="true"] {
  background: var(--orange); color: #fff;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 132px 0 76px;
  background:
    var(--hero-overlay),
    var(--hero-globe) center 40% / cover no-repeat,
    var(--navy);
  text-align: center;
  overflow: hidden;
}
.hero-compact { padding: 116px 0 44px; }
.hero-inner { width: min(940px, 92vw); margin: 0 auto; }

.hero h1 {
  font-size: clamp(2.3rem, 5.4vw, 4rem);
  letter-spacing: -.5px;
  margin-bottom: .35em;
  text-shadow: var(--hero-shadow);
}
.hero-small { font-size: clamp(1.6rem, 3.2vw, 2.2rem) !important; }
.hero-sub {
  font-size: clamp(1.05rem, 1.7vw, 1.4rem);
  color: var(--hero-sub);
  margin: 0 auto 34px;
  max-width: 42ch;
}

/* ---------- search ---------- */
.search {
  display: flex; align-items: center;
  background: var(--search-bg);
  border: 1px solid var(--search-border);
  border-radius: 4px;
  padding: 8px;
  box-shadow: var(--shadow);
  max-width: 860px;
  margin: 0 auto 18px;
}
.search:focus-within { box-shadow: 0 0 0 3px rgba(241, 142, 63, .55), var(--shadow); }
.search-icon { display: flex; padding: 0 10px 0 14px; color: var(--search-icon); }
.search-icon svg { width: 22px; height: 22px; }
.search input {
  flex: 1; min-width: 0;
  border: 0; outline: 0; background: transparent;
  font-family: inherit; font-size: 1.2rem; color: var(--search-text);
  padding: 14px 8px;
}
.search input::placeholder { color: var(--search-placeholder); }
.search button {
  display: inline-flex; align-items: center; gap: 9px;
  border: 0; border-radius: 3px; cursor: pointer;
  background: var(--orange); color: #fff;
  font-family: inherit; font-size: 1.1rem; font-weight: 600;
  padding: 14px 26px;
  transition: background .15s ease;
}
.search button:hover { background: var(--orange-hi); }
.search button svg { width: 19px; height: 19px; }
.search-compact { max-width: 760px; padding: 6px; }
.search-compact input { font-size: 1.05rem; padding: 10px 8px; }
.search-compact button { padding: 11px 22px; font-size: 1rem; }

.examples {
  display: flex; flex-wrap: wrap; gap: 8px 18px;
  justify-content: center; align-items: center;
  font-size: .95rem; font-weight: 700;
  margin: 0;
}
.examples span { color: var(--hero-example); }
.examples a { font-weight: 700; }

/* ---------- bands ---------- */
.band { padding: 66px 0; }
.band-alt { background: var(--navy-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }

.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.features article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 26px 22px;
}
.features h3 { font-size: 1.08rem; margin-bottom: .45em; }
.features p { color: var(--muted); font-size: .95rem; margin: 0; }
.feat-icon {
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--accent-soft); color: var(--link);
  margin-bottom: 16px;
}
.feat-icon svg { width: 24px; height: 24px; }

.two-col { display: grid; grid-template-columns: 1.15fr .85fr; gap: 46px; align-items: start; }
.two-col p { color: var(--text-soft); }

.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li { position: relative; padding-left: 28px; margin-bottom: 10px; color: var(--text-soft); }
.check-list li::before {
  content: ""; position: absolute; left: 4px; top: .55em;
  width: 8px; height: 8px; border-radius: 50%; background: var(--orange);
}

.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 6px; padding: 24px;
}
.panel h3 { font-size: 1.05rem; }
.recent-list { list-style: none; padding: 0; margin: 0 0 14px; }
.recent-list li {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 8px 0; border-bottom: 1px solid var(--line); font-size: .95rem;
}
.recent-list li:last-child { border-bottom: 0; }
.tag {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .6px;
  color: var(--muted); border: 1px solid var(--line); border-radius: 3px; padding: 1px 7px;
}

/* ---------- faq ---------- */
.faq { max-width: 800px; margin: 0 auto; }
.faq details {
  border: 1px solid var(--line); border-radius: 6px;
  background: var(--panel); margin-bottom: 12px; padding: 4px 20px;
}
.faq summary {
  cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--link); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq p { color: var(--muted); font-size: .96rem; margin: 0 0 14px; }

/* ---------- results ---------- */
.results { padding-top: 46px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 8px; padding: 28px; margin-bottom: 20px;
}
.record-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; margin-bottom: 22px;
}
.record-head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 6px 0 0; word-break: break-all; }
.badge {
  display: inline-block; font-size: .74rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .8px;
  background: var(--accent-soft); color: var(--badge-text);
  border-radius: 3px; padding: 4px 9px;
}
.badge-green { background: rgba(75, 185, 138, .16); color: var(--green); }
.expiry {
  text-align: center; border: 1px solid var(--line); border-radius: 6px;
  padding: 10px 18px; min-width: 130px; background: var(--inset);
}
.expiry strong { display: block; font-size: 1.5rem; color: var(--text-strong); }
.expiry span { font-size: .78rem; color: var(--muted); }
.expiry.warn strong { color: var(--link); }

.facts {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2px; margin: 0; background: var(--line); border: 1px solid var(--line);
  border-radius: 6px; overflow: hidden;
}
.fact { background: var(--panel); padding: 14px 16px; }
.fact dt { font-size: .76rem; text-transform: uppercase; letter-spacing: .7px; color: var(--muted); }
.fact dd { margin: 4px 0 0; font-size: 1rem; word-break: break-word; }

.block { margin-top: 24px; }
.block h3 { font-size: .95rem; text-transform: uppercase; letter-spacing: .8px; color: var(--muted); }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; }
.chips li {
  background: var(--inset); border: 1px solid var(--line);
  border-radius: 3px; padding: 6px 11px; font-size: .9rem;
}
.source { margin: 22px 0 0; }
.source a { margin-left: 6px; }

.notice h2 { margin-top: 8px; word-break: break-all; }
.notice p { color: var(--text-soft); }

.raw { padding: 0; }
.raw summary {
  cursor: pointer; padding: 18px 28px; font-weight: 600; list-style: none;
}
.raw summary::-webkit-details-marker { display: none; }
.raw summary::before { content: "\25B8 "; color: var(--link); }
.raw[open] summary::before { content: "\25BE "; }
.raw pre {
  margin: 0; padding: 0 28px 24px; overflow-x: auto;
  font-family: var(--mono); font-size: .84rem; line-height: 1.55;
  color: var(--code); white-space: pre-wrap; word-break: break-word;
}

.prose { max-width: 820px; }
.prose h2 { margin-top: 1.6em; font-size: 1.3rem; }
.prose h2:first-child { margin-top: 0; }
.code {
  background: var(--panel); border: 1px solid var(--line); border-radius: 6px;
  padding: 18px 20px; overflow-x: auto;
  font-family: var(--mono); font-size: .86rem; color: var(--code);
  white-space: pre-wrap; word-break: break-word;
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--footer-bg); border-top: 1px solid var(--line);
  padding: 52px 0 30px; font-size: .93rem;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
.footer-brand { font-weight: 700; font-size: 1.1rem; color: var(--text-strong); margin-bottom: 10px; }
.site-footer p { color: var(--muted); }
.site-footer h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .9px; color: var(--text-strong); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 7px; }
.site-footer li a { color: var(--muted); }
.site-footer li a:hover { color: var(--link); }
.footer-note {
  border-top: 1px solid var(--line); margin-top: 36px; padding-top: 20px;
}
.footer-note p { margin: 0; font-size: .84rem; color: var(--footer-note); }

/* ---------- accessibility ---------- */
:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; }
::selection { background: rgba(229, 122, 46, .35); color: var(--text-strong); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .features { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .header-end { gap: 12px; }
  .site-nav { gap: 16px; font-size: .88rem; }
  .hero { padding: 112px 0 56px; }
  .search { flex-wrap: wrap; padding: 10px; }
  .search input { width: 100%; flex: 1 0 60%; }
  .search button { width: 100%; justify-content: center; margin-top: 6px; }
  .features { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .card { padding: 20px; }
  .raw summary { padding: 16px 20px; }
  .raw pre { padding: 0 20px 20px; }
}
@media (max-width: 460px) {
  .site-nav a[href="/#faq"] { display: none; }
}
