:root {
  --navy: #002395;
  --red: #ed2939;
  --ink: #1b1f2a;
  --muted: #5d6475;
  --paper: #ffffff;
  --line: #d9dde7;
  --ok: #1b7f3b;
  --off: #8a90a0;
  --warn: #b35c00;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e8eaf0;
    --muted: #9aa1b4;
    --paper: #12151e;
    --line: #2c3240;
    --ok: #58c27d;
    --off: #6f768a;
    --warn: #f0a04b;
  }
}

:root[data-theme="dark"] {
  --ink: #e8eaf0;
  --muted: #9aa1b4;
  --paper: #12151e;
  --line: #2c3240;
  --ok: #58c27d;
  --off: #6f768a;
  --warn: #f0a04b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

.top {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
  padding: 0.75rem 1rem;
  border-bottom: 3px solid var(--navy);
}

.right { margin-left: auto; color: var(--muted); }

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 1rem;
}

h1 { font-size: 1.4rem; }
h2 { font-size: 1.1rem; margin-top: 2rem; }

.muted, .small { color: var(--muted); }
.small { font-size: 0.875rem; }

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

code { font-size: 0.9em; }

.button, button {
  display: inline-block;
  padding: 0.45rem 0.9rem;
  border: 0;
  border-radius: 6px;
  background: var(--navy);
  color: #fff;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

button.secondary { background: transparent; color: var(--navy); border: 1px solid var(--navy); }
button.danger { background: var(--red); }
button.small-btn { padding: 0.2rem 0.6rem; font-size: 0.875rem; }
button:disabled { opacity: 0.5; cursor: default; }

input, textarea, select {
  width: 100%;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  font: inherit;
}

label { display: block; margin: 0.75rem 0; font-weight: 600; }
label input, label textarea { font-weight: 400; margin-top: 0.25rem; }
.inline { display: flex; gap: 0.25rem; align-items: center; }
.inline input { flex: 1; }

fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 1rem 0; padding: 0.75rem; }
legend { font-weight: 600; padding: 0 0.25rem; }

.forward {
  display: grid;
  grid-template-columns: 6.5rem 1fr 6rem 6rem auto;
  gap: 0.4rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.forward select, .forward input { margin: 0; }

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

.key {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
}

.key header { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.key h3 { margin: 0; font-size: 1rem; }
.key ul { margin: 0.4rem 0; padding-left: 1.1rem; font-size: 0.9rem; }

.pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  color: #fff;
  background: var(--off);
}
.pill.on { background: var(--ok); }
.pill.expired, .pill.warn { background: var(--warn); }

.key .row { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; margin-top: 0.5rem; }

#message { min-height: 1.5rem; }
#message.error { color: var(--red); }
#message.ok { color: var(--ok); }

@media (max-width: 560px) {
  .forward { grid-template-columns: 1fr 1fr; }
  .forward select, .forward .host { grid-column: span 2; }
}