:root {
  --ink: #0b1f33;
  --paper: #f7f8fa;
  --surface: #ffffff;
  --steel: #314556;
  --line: #5c6b78;
  --positive: #085c38;
  --danger: #8d1d1d;
  --navy: #0b1f33;
  --on-navy: #ffffff;
  --focus: #0a4f86;
  --positive-bg: #e5f4ed;
  --danger-bg: #f8e8e8;
  --disabled-bg: #e6eaee;
  --warn-bg: #f4f0e4;
  --shadow: 0 1px 2px rgba(11, 31, 51, 0.08);
  --sans: "IBM Plex Sans", "Liberation Sans", "Nimbus Sans", sans-serif;
  --mono: "IBM Plex Mono", "Liberation Mono", "DejaVu Sans Mono", monospace;
}

* { box-sizing: border-box; }

html { font-size: 16px; }

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

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--surface);
  color: var(--ink);
  padding: 0.5rem 1rem;
  z-index: 5;
}

.skip:focus { top: 0.5rem; }

.topbar, .nav, .content, .footer {
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.topbar {
  background: var(--navy);
  color: var(--on-navy);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  min-height: 4rem;
}

.brand-lockup { display: flex; flex-direction: column; }

.brand-lockup strong { font-size: 1.125rem; letter-spacing: 0.01em; }

.brand-lockup span, .who { color: var(--on-navy); font-size: 0.95rem; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0 0.75rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 3px solid transparent;
}

.nav a[aria-current="page"] {
  border-bottom-color: var(--focus);
  font-weight: 650;
}

.content { max-width: 1120px; margin: 0 auto; padding-top: 1.25rem; padding-bottom: 3rem; }

h1 { font-size: 1.75rem; line-height: 1.3; margin: 0 0 0.75rem; }

h2 { font-size: 1.25rem; line-height: 1.35; margin: 1.5rem 0 0.5rem; }

p { max-width: 72ch; }

a { color: var(--focus); }

a:hover { text-decoration-thickness: 2px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0.75rem; }

.card, .panel, form.panel, .empty, .banner {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.card, .panel, .empty { padding: 1rem; }

.metric { font-family: var(--mono); font-size: 1.4rem; font-weight: 650; color: var(--ink); }

.muted { color: var(--steel); }

label { display: block; font-weight: 650; margin: 0.75rem 0 0.25rem; }

input, select, textarea, button, .btn {
  font: inherit;
  color: var(--ink);
}

input, select, textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
}

textarea { min-height: 8.5rem; line-height: 1.5; }

input::placeholder, textarea::placeholder { color: var(--steel); opacity: 1; }

button, .btn, .nav a, input, select, textarea {
  min-height: 44px;
}

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  padding: 0.45rem 0.9rem;
  border-radius: 4px;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: var(--on-navy);
  text-decoration: none;
  cursor: pointer;
}

button:hover, .btn:hover { background: #12324d; }

button:active, .btn:active { background: #071624; }

button:disabled, .btn:disabled, button[aria-disabled="true"] {
  background: var(--disabled-bg);
  color: var(--ink);
  border-color: var(--line);
  cursor: not-allowed;
}

button.is-loading { background: #12324d; }

.btn-secondary { background: var(--surface); color: var(--ink); }

.btn-secondary:hover { background: var(--paper); }

.btn-danger { background: var(--danger); border-color: var(--danger); color: var(--on-navy); }

button:focus-visible, .btn:focus-visible, a:focus-visible,
input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }

.banner { padding: 0.75rem 1rem; margin: 0 0 1rem; }

.banner-ok { background: var(--positive-bg); border-color: var(--positive); }

.banner-danger { background: var(--danger-bg); border-color: var(--danger); }

.banner p { margin: 0.25rem 0; }

table { width: 100%; border-collapse: collapse; background: var(--surface); }

th, td { text-align: left; padding: 0.6rem; border-bottom: 1px solid var(--line); vertical-align: top; }

th { font-size: 0.92rem; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 6px; }

.mono, .id, td.num, .metric { font-family: var(--mono); }

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
}

.pill-ok { background: var(--positive-bg); color: var(--positive); border-color: var(--positive); }

.pill-stop { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }

.columns { display: flex; gap: 0.75rem; overflow-x: auto; padding-bottom: 0.5rem; }

.column { min-width: 220px; background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 0.5rem; }

.column h3 { margin: 0.25rem 0 0.5rem; font-size: 1rem; }

.split { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; }

.finding { margin: 0 0 0.5rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--line); }

.letter {
  white-space: pre-wrap;
  font-family: var(--sans);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.75rem;
  line-height: 1.5;
}

.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: end; }

.filters label { margin-top: 0; }

.footer { color: var(--steel); padding-bottom: 2rem; }

.check { display: flex; gap: 0.5rem; align-items: center; min-height: 44px; }

.check input { width: 1.25rem; min-height: 1.25rem; }

.error-text { color: var(--danger); font-weight: 650; }

@media (max-width: 720px) {
  .split, .topbar { grid-template-columns: 1fr; display: block; }
  .topbar { padding-top: 0.75rem; padding-bottom: 0.75rem; }
  h1 { font-size: 1.45rem; }
}

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