/* Hackmuth — visual identity: a submissions ledger.
   Palette and type system are documented in full in hackmuth-design.md. */

*, *::before, *::after { box-sizing: border-box; }

:root {
  color-scheme: light;

  /* Ledger-green paper, not the default warm cream. */
  --paper: #EAF0E4;
  --paper-raised: #F5F8F1;
  --ink: #1E2A22;
  --ink-muted: #465A48;
  --rule: #C3D0B8;

  /* Bordeaux ink: nav, links, primary actions. */
  --accent: #6B2737;
  --accent-dark: #4E1C28;

  /* Stamp inks: status marks, alerts, the hero figure. */
  --stamp-red: #A6321C;
  --stamp-red-dark: #7C2414;
  --stamp-green: #3B6B44;
  --stamp-green-dark: #2A4E31;
  --stamp-amber: #7A5C18;
  --stamp-amber-dark: #5C4512;

  --font-display: Georgia, "Iowan Old Style", "Palatino Linotype", "URW Palladio L", P052, serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}

* { scrollbar-color: var(--rule) var(--paper); }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--paper);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.25; font-weight: 700; }
h1 { margin: 0 0 22px; font-size: 1.9rem; }
h2 { margin: 36px 0 14px; font-size: 1.3rem; }

a { color: var(--accent); }
a:hover { color: var(--accent-dark); }

p { margin: 0 0 12px; }

.error { color: var(--stamp-red); font-weight: 600; }
.notice { color: var(--stamp-green); font-weight: 600; }

.settings-card {
  margin: 0 0 24px;
  padding: 18px 24px 6px;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: 3px;
}
.settings-card h2 { margin-top: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Auth screens render without the nav, so give them their own centered frame. */
body.no-nav .container {
  max-width: 380px;
  padding-top: 12vh;
}
body.no-nav h1 {
  font-size: 1.6rem;
  border-bottom: 3px double var(--rule);
  padding-bottom: 14px;
}

/* Top nav — a masthead, not a menu bar. */
.topnav {
  background: var(--accent);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 18px;
  padding: 13px 20px;
}
.topnav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
  color: #fff;
  margin-right: 14px;
  white-space: nowrap;
}
.topnav-brand a { color: #fff; text-decoration: none; }
.topnav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
  margin: 0;
  padding: 0;
  flex: 1 1 auto;
}
.topnav a {
  color: #E3D2D2;
  text-decoration: none;
  font-size: 0.9rem;
}
.topnav a:hover, .topnav a:focus-visible { color: #fff; text-decoration: underline; }
.topnav-user {
  white-space: nowrap;
  font-size: 0.88rem;
}
.topnav-user a { color: #E3D2D2; }
.topnav-user a:hover { color: #fff; }

/* Hero stat — the dashboard's one big number (HCK-161). */
.hero-stat {
  margin: 4px 0 40px;
  padding: 26px 28px 22px;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-left: 5px solid var(--stamp-red);
  border-radius: 3px;
}
.hero-stat__eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 8px;
}
.hero-stat__number {
  font-family: var(--font-mono);
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--stamp-red);
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.hero-stat__unit {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink-muted);
}
.hero-stat__caption { color: var(--ink-muted); margin: 12px 0 10px; }
.hero-stat__empty { margin: 4px 0 14px; }
.hero-stat p:last-child { margin-bottom: 0; }

/* Stamp badges — status shown the way a ledger clerk would mark it. */
.stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1.5px solid currentColor;
  border-radius: 3px;
  color: var(--stamp-red);
  background: rgba(166, 50, 28, 0.08);
  transform: rotate(-1.5deg);
  white-space: nowrap;
}
.stamp--ok {
  color: var(--stamp-green);
  background: rgba(59, 107, 68, 0.08);
  transform: rotate(1deg);
}
.stamp--info {
  color: var(--accent);
  background: rgba(107, 39, 55, 0.08);
  transform: rotate(-1deg);
}

/* Forms */
form p { margin: 0 0 14px; }
label { display: inline-block; margin-bottom: 4px; font-weight: 600; font-size: 0.95rem; }
input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="date"], input[type="url"], select, textarea {
  font: inherit;
  padding: 7px 9px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  min-width: 260px;
  max-width: 100%;
}
textarea { min-height: 90px; vertical-align: top; }
input[type="checkbox"] { margin-right: 6px; }

button, input[type="submit"] {
  font: inherit;
  font-weight: 600;
  padding: 8px 16px;
  border: 1px solid var(--accent-dark);
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
button:hover, input[type="submit"]:hover { background: var(--accent-dark); }

/* Tables — ruled like a ledger page. */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 0 0 20px;
  font-size: 0.95rem;
}
th, td {
  border: 1px solid var(--rule);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
th {
  background: var(--paper-raised);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
tr:nth-child(even) td { background: rgba(30, 42, 34, 0.02); }
td.num, th.num { font-family: var(--font-mono); }

/* Definition lists used throughout the dashboard/show pages */
dl { margin: 0 0 20px; }
dt {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 10px;
}
dd { margin: 0 0 4px 0; font-family: var(--font-mono); }

.lag-headline { font-size: 1.05rem; }

/* Submission days-out traffic light (HCK-039): class already set server-side. */
.days-green { color: var(--stamp-green); font-weight: 600; }
.days-amber { color: var(--stamp-amber); font-weight: 600; }
.days-red   { color: var(--stamp-red); font-weight: 700; }

em { color: var(--ink-muted); }

@media (max-width: 640px) {
  .container { padding: 20px 14px 48px; }
  .topnav { padding: 10px 14px; gap: 4px 12px; }
  .topnav ul { gap: 4px 12px; }
  .topnav a, .topnav-user { font-size: 0.85rem; }
  .hero-stat__number { font-size: 2.4rem; }
  input[type="text"], input[type="email"], input[type="password"], input[type="number"],
  input[type="date"], input[type="url"], select, textarea { min-width: 0; width: 100%; }
}

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