/* Green Card Queue design system. The contract is DESIGN.md at the repo root: every page uses
   these tokens and components and nothing else. Fonts load from Google Fonts (see HEAD in DESIGN.md). */

/* Layout: a sticky white header, a navy hero band carrying the headline and the page's key label,
   one reading column of cards and sections, a navy footer. */
:root {
  --font-heading: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Open Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  --navy: #16324f;
  --navy-dark: #0e2238;
  --navy-darker: #091827;
  --accent: #c9731e;
  --accent-hover: #a85e15;
  --accent-light: #f0b373;
  --accent-soft: #fbeedf;
  --blue: #2a6cb6;
  --blue-soft: #e8f0fa;

  --surface: #fafaf9;
  --panel: #ffffff;
  --border: #e7e5e4;
  --grid: #edebe9;
  --ink: #1c1917;
  --ink-2: #44403c;
  --ink-3: #78716c;
  --link: #1f5fa8;
  --heading: var(--navy);

  --s1: #2a6cb6;
  --s2: #c9731e;

  --shadow-sm: 0 1px 3px rgba(22, 50, 79, 0.08);
  --shadow-md: 0 4px 14px rgba(22, 50, 79, 0.1);
  --radius: 10px;
  --radius-sm: 6px;
  --max: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --surface: #0f1720;
    --panel: #182330;
    --border: #2a3645;
    --grid: #22303e;
    --ink: #f1f2f4;
    --ink-2: #c5cad2;
    --ink-3: #8e97a3;
    --link: #8fb8ec;
    --heading: #f1f2f4;
    --accent: #e08a36;
    --accent-hover: #f0a254;
    --accent-soft: rgba(224, 138, 54, 0.16);
    --blue-soft: rgba(106, 163, 230, 0.16);
    --s1: #6aa3e6;
    --s2: #e08a36;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.45);
  }
}

/* --- Base --- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font: 16px/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
b, strong { font-weight: 600; }
code { font-size: 0.9em; background: var(--grid); padding: 0.1em 0.35em; border-radius: 4px; }
svg { display: inline-block; }

.container { max-width: var(--max); margin: 0 auto; padding-inline: 1.5rem; }

h1, h2, h3 { font-family: var(--font-heading); color: var(--heading); line-height: 1.2; text-wrap: balance; }
h2 { font-size: 1.35rem; font-weight: 700; margin: 2.75rem 0 0.75rem; }
h2::before { content: ""; display: block; width: 36px; height: 3px; background: var(--accent); border-radius: 2px; margin-bottom: 0.6rem; }
h3 { font-size: 1.05rem; font-weight: 700; margin: 1.5rem 0 0.5rem; }
p { margin: 0 0 0.9rem; }
main p, main ul { max-width: 78ch; }
.note { font-size: 0.93rem; color: var(--ink-2); }
ul.note { padding-left: 1.2rem; }
ul.note li { margin-bottom: 0.5rem; }
.lede { font-size: 1.05rem; color: var(--ink-2); }

/* --- Header --- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; flex-wrap: wrap; padding-block: 0.5rem; }
.wordmark {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-heading); font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em;
  color: var(--heading); text-decoration: none; white-space: nowrap;
}
.wordmark .mark { color: var(--accent); flex: none; }
.site-nav { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.site-nav a {
  font-family: var(--font-heading); font-weight: 500; font-size: 0.9rem;
  color: var(--ink-2); text-decoration: none; padding: 0.25rem 0; border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--heading); }
.site-nav a[aria-current="page"] { color: var(--heading); border-bottom-color: var(--accent); }

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
  padding-block: 2.75rem 2.5rem;
}
.hero .eyebrow {
  font-family: var(--font-heading); font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent-light);
  margin: 0 0 0.6rem;
}
.hero h1 { color: #fff; font-size: clamp(1.65rem, 3.2vw, 2.4rem); font-weight: 700; margin: 0 0 1rem; max-width: 30ch; }
.hero p { color: rgba(255, 255, 255, 0.85); max-width: 72ch; }
.hero .lede { color: rgba(255, 255, 255, 0.88); font-size: 1.05rem; margin-bottom: 0; }
.hero .lede + .lede { margin-top: 0.75rem; }
.hero a { color: var(--accent-light); }
.hero a:hover { color: #fff; }
.hero .built-from {
  display: inline-block; margin: 0 0 1.1rem;
  background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm); padding: 0.5rem 0.85rem;
  font-size: 0.88rem; color: #fff;
}
.hero .built-from b { color: #fff; }

/* --- Main column --- */
main.container { padding-block: 1.75rem 3rem; }
main > h2:first-child { margin-top: 1rem; }

/* Cards */
.card, .controls, .tile, .chart-wrap, .estimate, .cat-card, .table-wrap, #table {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm);
}

/* Controls (inputs row) */
.controls { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; align-items: end; padding: 1rem 1.25rem; margin-bottom: 1.25rem; }
.controls label {
  display: flex; flex-direction: column; gap: 0.35rem;
  font-family: var(--font-heading); font-size: 0.74rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3);
}
.controls select, .controls input {
  font: 1rem var(--font-body); color: var(--ink); background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.5rem 0.7rem; min-height: 42px; min-width: 180px;
}

/* Key figure tiles */
.asof-line { font-size: 1.05rem; margin: 0.25rem 0 1rem; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(185px, 1fr)); gap: 1rem; margin: 0 0 1.25rem; }
.tile { padding: 1rem 1.15rem; }
.tile .k { font-family: var(--font-heading); font-size: 0.74rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); }
.tile .v { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--heading); font-variant-numeric: tabular-nums; margin-top: 0.35rem; line-height: 1.2; }
.tile .v .asof { display: block; font: 400 0.8rem/1.4 var(--font-body); color: var(--ink-3); margin-top: 0.3rem; }
.tile .s { font-size: 0.82rem; color: var(--ink-3); margin-top: 0.45rem; }

/* Callouts */
.change { background: var(--blue-soft); border-left: 4px solid var(--blue); border-radius: var(--radius-sm); padding: 0.75rem 1rem; font-size: 0.95rem; }
.built-from { font-size: 0.9rem; background: var(--accent-soft); border: 1px solid transparent; border-radius: var(--radius-sm); padding: 0.5rem 0.85rem; }

/* Chart */
.chart-wrap { padding: 1rem 1rem 0.75rem; position: relative; margin: 1.25rem 0 0.75rem; }
.legend { display: flex; gap: 1.25rem; flex-wrap: wrap; font-size: 0.85rem; color: var(--ink-2); margin: 0 0 0.5rem 0.25rem; }
.legend i { display: inline-block; width: 16px; height: 3px; border-radius: 2px; vertical-align: middle; margin-right: 0.4rem; }
.chart-wrap svg { display: block; width: 100%; }
svg text { fill: var(--ink-3); font-size: 11px; font-family: var(--font-body); }
.tip {
  position: absolute; pointer-events: none; display: none; white-space: nowrap;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-md);
  padding: 0.5rem 0.65rem; font-size: 0.8rem; color: var(--ink);
}

/* Result panel */
.estimate { padding: 1.1rem 1.25rem; }
.estimate p { margin: 0 0 0.6rem; }
.estimate p:last-child { margin-bottom: 0; }

/* Disclosure and tables */
details { margin: 0.75rem 0 1rem; }
summary { font-family: var(--font-heading); font-weight: 600; color: var(--heading); cursor: pointer; padding: 0.4rem 0; }
summary:hover { color: var(--accent-hover); }
.table-wrap, #table { overflow-x: auto; margin: 0.5rem 0 1rem; }
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 0.55rem 0.8rem; border-bottom: 1px solid var(--grid); vertical-align: top; }
th { font-family: var(--font-heading); font-size: 0.74rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-2); background: var(--blue-soft); white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:nth-child(even) td { background: color-mix(in srgb, var(--grid) 45%, transparent); }
main > table { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }

/* Category links */
.cat-links { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0 0 1rem; padding: 0; list-style: none; }
.cat-links a {
  display: inline-block; padding: 0.4rem 0.8rem; border: 1px solid var(--border); border-radius: 999px;
  background: var(--panel); color: var(--heading); font-family: var(--font-heading); font-size: 0.85rem; font-weight: 500; text-decoration: none;
}
.cat-links a:hover { border-color: var(--blue); background: var(--blue-soft); color: var(--heading); }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 0.85rem; margin: 0 0 1rem; padding: 0; list-style: none; }
.cat-card { display: block; padding: 0.9rem 1.05rem; text-decoration: none; color: var(--ink-2); transition: box-shadow 0.2s ease, border-color 0.2s ease; }
.cat-card:hover { box-shadow: var(--shadow-md); border-color: var(--blue); color: var(--ink-2); }
.cat-card b { display: block; font-family: var(--font-heading); font-size: 1rem; font-weight: 700; color: var(--heading); margin-bottom: 0.2rem; }
.cat-card span { font-size: 0.85rem; color: var(--ink-3); }

/* --- Footer --- */
.site-footer { background: var(--navy-darker); color: rgba(255, 255, 255, 0.7); margin-top: 2rem; padding-block: 2.5rem 1.5rem; font-size: 0.9rem; }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr; gap: 2rem; align-items: start; }
.site-footer .wordmark { color: #fff; margin-bottom: 0.75rem; }
.site-footer p { color: rgba(255, 255, 255, 0.65); max-width: 52ch; margin: 0; }
.footer-nav { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-nav a, .site-footer a { color: rgba(255, 255, 255, 0.8); text-decoration: none; }
.footer-nav a:hover, .site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-nav h4 { font-family: var(--font-heading); color: #fff; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; margin: 0 0 0.25rem; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); margin-top: 2rem; padding-top: 1rem; font-size: 0.8rem; color: rgba(255, 255, 255, 0.45); }

/* --- Responsive --- */
@media (max-width: 720px) {
  .hero { padding-block: 2rem 1.75rem; }
  .site-nav { gap: 1rem; }
  .site-nav a { font-size: 0.85rem; }
  .controls select, .controls input { min-width: 0; width: 100%; }
  .controls label { flex: 1 1 100%; }
  .footer-inner { grid-template-columns: 1fr; }
  h2 { margin-top: 2.25rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}