:root {
  --bg: #f6f6f3; --panel: #ffffff; --ink: #1c1d1f; --muted: #6a6d73; --line: #e2e2dc;
  --accent: #c2410c; --accent-ink: #ffffff; --ok: #15803d; --bad: #b91c1c; --code: #f0efe9;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131415; --panel: #1c1d1f; --ink: #ececea; --muted: #9a9ca1; --line: #2e3033;
    --accent: #f97316; --accent-ink: #1a0d04; --ok: #4ade80; --bad: #f87171; --code: #24262a;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
code, pre, .mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 13px; }
.pad { padding: 24px 16px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

header.top {
  position: sticky; top: 0; z-index: 2; background: var(--bg); border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 16px; padding: 10px 16px; flex-wrap: wrap;
}
header.top .brand { font-weight: 700; letter-spacing: .02em; }
header.top .brand span { color: var(--accent); }
header.top nav { display: flex; gap: 14px; flex-wrap: wrap; flex: 1; }
header.top nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
header.top nav a:hover { color: var(--ink); }

main { max-width: 980px; margin: 0 auto; padding: 20px 16px 80px; display: grid; gap: 18px; }
section.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; min-width: 0; }
section.card h2 { margin: 0 0 4px; font-size: 18px; }
section.card > p.lead { margin: 0 0 14px; color: var(--muted); font-size: 14px; }
h3 { font-size: 14px; margin: 18px 0 8px; }

.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.grow { flex: 1 1 220px; min-width: 0; }
label.field { display: grid; gap: 4px; font-size: 13px; color: var(--muted); flex: 1 1 200px; min-width: 0; }
input[type=text], input[type=password], input[type=number], select {
  font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 10px; width: 100%; min-width: 0;
}
input:focus-visible, button:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button {
  font: inherit; font-size: 14px; border-radius: 8px; padding: 8px 14px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink); white-space: nowrap;
}
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.danger { color: var(--bad); }
button:disabled { opacity: .55; cursor: default; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.badge { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.badge.ok { color: var(--ok); border-color: currentColor; }
.badge.bad { color: var(--bad); border-color: currentColor; }
.badge.cc { color: var(--accent); border-color: currentColor; }

pre.snippet { background: var(--code); border-radius: 8px; padding: 12px; overflow-x: auto; margin: 8px 0; white-space: pre; }
.secret { background: var(--code); border: 1px dashed var(--accent); border-radius: 8px; padding: 12px; margin: 10px 0; display: grid; gap: 8px; }
.secret code { word-break: break-all; font-size: 14px; }
.msg { font-size: 14px; margin-top: 8px; min-height: 1em; }
.msg.ok { color: var(--ok); }
.msg.bad { color: var(--bad); }
.tabs { display: flex; gap: 6px; margin-top: 10px; }
.tabs button[aria-pressed=true] { border-color: var(--accent); color: var(--accent); }

.login { max-width: 380px; margin: 12vh auto; padding: 0 16px; }
.login section.card { display: grid; gap: 12px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0; }
.chip { font-size: 13px; background: var(--code); border-radius: 999px; padding: 2px 4px 2px 10px; display: inline-flex; align-items: center; gap: 4px; }
.chip button { border: 0; background: transparent; padding: 0 6px; font-size: 14px; color: var(--muted); }
.arrow { color: var(--muted); padding: 0 2px; }
.keycell { min-width: 260px; }
.badge { white-space: nowrap; }
/* Phones: a table row becomes a small card instead of squeezed columns. */
@media (max-width: 640px) {
  table.stack thead { display: none; }
  table.stack tr { display: grid; gap: 6px; padding: 10px 0; border-bottom: 1px solid var(--line); }
  table.stack td { border: 0; padding: 0; }
  .keycell { min-width: 0; }
  header.top nav { order: 3; flex-basis: 100%; }
}