:root {
  --bg: #f4f1ea;
  --surface: #fffdf8;
  --ink: #1c2420;
  --muted: #5d6a63;
  --line: #ddd6c8;
  --accent: #0d6b4d;
  --accent-ink: #ffffff;
  --accent-soft: #e2efe8;
  --danger: #a3321f;
  --danger-soft: #f8e4de;
  --warn-soft: #fbf0cf;
  --radius: 10px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121714;
    --surface: #1a211d;
    --ink: #e8ece6;
    --muted: #9aa69f;
    --line: #2d3832;
    --accent: #4fc293;
    --accent-ink: #08130e;
    --accent-soft: #1d3329;
    --danger: #f08a75;
    --danger-soft: #3a211c;
    --warn-soft: #3a3118;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}
h1, h2, .brand, button, .button, input, textarea, select, table, .nav, .tag, dl, .small, label, .flash {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
h1 { font-size: 1.7rem; letter-spacing: -0.02em; margin: 0 0 0.4rem; }
h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 0 0 0.75rem; }
main > h2 { margin-top: 2rem; }
a { color: var(--accent); text-underline-offset: 3px; }
p { margin: 0 0 1rem; max-width: 70ch; }
code { font-family: var(--mono); font-size: 0.88em; overflow-wrap: anywhere; }
.muted { color: var(--muted); }
.small { font-size: 0.82rem; }
.nowrap { white-space: nowrap; }

.top {
  display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap;
  padding: 0.7rem max(16px, calc((100vw - 1100px) / 2));
  background: var(--surface); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
.brand { font-weight: 700; font-size: 1.05rem; letter-spacing: -0.03em; color: var(--ink); text-decoration: none; }
.brand span { color: var(--accent); }
.brand-big { font-size: 2.2rem; margin: 0 0 0.3rem; }
.nav { display: flex; gap: 0.15rem; flex: 1; overflow-x: auto; scrollbar-width: none; }
.nav a { padding: 0.35rem 0.7rem; border-radius: 999px; color: var(--muted); text-decoration: none; font-size: 0.9rem; white-space: nowrap; }
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 2rem 16px 4rem; }
.wrap-narrow { max-width: 400px; padding-top: 12vh; }
.login .stack { margin-top: 1.5rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin: 1.25rem 0; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; margin: 0 0 1.25rem; }
.grid .card { margin: 0; }
.card-new { border-color: var(--accent); background: var(--accent-soft); }
.card p:last-child, .card form:last-child { margin-bottom: 0; }

dl { display: grid; grid-template-columns: 1fr auto; gap: 0.35rem 1rem; margin: 0; font-size: 0.92rem; }
dt { color: var(--muted); }
dd { margin: 0; font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }

.state { display: flex; align-items: center; gap: 0.5rem; font: 600 1.15rem -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; margin: 0 0 0.75rem; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); flex: none; }
.state-open .dot { background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.state-close .dot { background: var(--danger); }
.state-connecting .dot { background: #c9942a; }

label { display: grid; gap: 0.25rem; font-size: 0.85rem; font-weight: 600; }
input, textarea {
  font-size: 1rem; font-weight: 400; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 0.5rem 0.65rem; width: 100%; min-width: 0;
}
textarea { font-family: var(--mono); font-size: 0.9rem; line-height: 1.55; resize: vertical; }
input:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.check { display: flex; align-items: center; gap: 0.45rem; font-weight: 400; font-size: 0.92rem; cursor: pointer; }
.check input { width: 1.05rem; height: 1.05rem; accent-color: var(--accent); flex: none; }
.stack { display: grid; gap: 0.9rem; max-width: 640px; }
.stack label .small { font-weight: 400; }
.row { display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: end; }
.row .check { padding-bottom: 0.55rem; }
.grow { flex: 1 1 220px; }

button, .button {
  font-size: 0.92rem; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-block;
  padding: 0.52rem 0.95rem; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink);
}
button:hover, .button:hover { border-color: var(--muted); }
.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.primary:hover { filter: brightness(1.08); border-color: var(--accent); }
.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.link { background: none; border: 0; padding: 0; color: var(--muted); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }
.danger-link { color: var(--danger); }

.flash { background: var(--accent-soft); border-radius: 8px; padding: 0.6rem 0.85rem; font-size: 0.92rem; max-width: none; }
.flash-error { background: var(--danger-soft); color: var(--danger); }
.empty { color: var(--muted); padding: 1.5rem; border: 1px dashed var(--line); border-radius: var(--radius); text-align: center; max-width: none; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); margin: 0 0 1rem; }
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
th { text-align: left; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); font-weight: 600; }
th, td { padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
tr.off td { opacity: 0.55; }
table.edit input:not([type="checkbox"]) { min-width: 9rem; padding: 0.35rem 0.5rem; font-size: 0.9rem; }
.actions { white-space: nowrap; text-align: right; }
.actions form { display: inline; margin-left: 0.6rem; }

.tag { display: inline-block; font-size: 0.72rem; font-weight: 600; padding: 0.12rem 0.5rem; border-radius: 999px; background: var(--line); color: var(--ink); white-space: nowrap; }
.tag-sent { background: var(--accent-soft); color: var(--accent); }
.tag-failed, .tag-refused { background: var(--danger-soft); color: var(--danger); }
.tag-unknown, .tag-sending { background: var(--warn-soft); }

.list { list-style: none; margin: 1rem 0 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.list li { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 0.55rem 0.9rem; border-bottom: 1px solid var(--line); }
.list li:last-child { border-bottom: 0; }
.list li[hidden] { display: none; }
.sticky { position: sticky; top: 3.4rem; background: var(--bg); padding: 0.6rem 0; z-index: 2; }

pre { margin: 0 0 1rem; overflow-x: auto; font: 0.82rem/1.6 var(--mono); }
.code { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 0.9rem 1rem; }
.secret { background: var(--surface); border: 1px solid var(--accent); border-radius: 8px; padding: 0.7rem 0.9rem; font-size: 0.95rem; user-select: all; white-space: pre-wrap; overflow-wrap: anywhere; }

@media (max-width: 640px) {
  .top { gap: 0.6rem; }
  .nav { order: 3; flex-basis: 100%; }
  .sticky { top: 5.6rem; }
  h1 { font-size: 1.4rem; }
}
@media (prefers-reduced-motion: no-preference) {
  button, .button, .nav a { transition: border-color 0.12s, background-color 0.12s, color 0.12s, filter 0.12s; }
}