/* Time Focal: "volt on ink". Light theme by default, dark when the system asks. */
:root {
  --ink: #0b0c0f;
  --volt: #c8f560;
  --brand: #3f6a00;
  --brand-soft: #eef7dc;
  --text: #15171c;
  --muted: #5d6470;
  --bg: #f6f7f3;
  --card: #ffffff;
  --border: #e1e4dc;
  --danger: #b3261e;
  --danger-soft: #fdecea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #c8f560;
    --brand-soft: #1c2412;
    --text: #eef1e8;
    --muted: #a3a9b3;
    --bg: #0b0c0f;
    --card: #14161b;
    --border: #262a31;
    --danger: #ff8a7a;
    --danger-soft: #2a1614;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Sora", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}

header {
  background: var(--ink);
  color: #fff;
  padding: 22px 16px;
}

header .wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

header .logo {
  width: 44px;
  height: 44px;
  flex: none;
}

header .app {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

header .dev {
  font-size: 0.85rem;
  color: #a3a9b3;
}

.wrap {
  max-width: 820px;
  margin: 0 auto;
}

nav {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
}

nav .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
}

nav a {
  display: inline-block;
  padding: 12px 0;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 700;
  border-bottom: 3px solid var(--volt);
}

main {
  padding: 24px 16px 48px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 26px 22px;
}

h1 {
  font-size: 1.65rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 4px;
}

h2 {
  font-size: 1.12rem;
  margin: 34px 0 8px;
  color: var(--text);
}

h2::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--volt);
  box-shadow: 0 0 0 3px var(--brand-soft);
  vertical-align: 2px;
}

.date {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 0.95rem;
}

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

code {
  font-size: 0.9em;
  background: var(--brand-soft);
  padding: 1px 6px;
  border-radius: 6px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 0.93rem;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 600;
}

.table-scroll {
  overflow-x: auto;
}

.note {
  background: var(--brand-soft);
  border-left: 4px solid var(--volt);
  padding: 12px 16px;
  border-radius: 10px;
  margin: 16px 0;
}

.warning {
  background: var(--danger-soft);
  border-left-color: var(--danger);
}

ol.steps li {
  margin-bottom: 8px;
}

.button {
  display: inline-block;
  background: var(--volt);
  color: var(--ink);
  padding: 11px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 0 16px 32px;
}