:root {
  --bg: #0f1115;
  --panel: #171a21;
  --border: #2a2f3a;
  --text: #e6e8eb;
  --muted: #8a92a3;
  --accent: #4f8cff;
  --danger: #e5484d;
  --ok: #2fae5f;
  --warn: #d9a441;
}

* { box-sizing: border-box; }

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

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
}

.brand { color: var(--text); font-weight: 600; text-decoration: none; }

main { max-width: 1000px; margin: 24px auto; padding: 0 16px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.card.narrow { max-width: 360px; }
.card.warning { border-color: var(--warn); }

h1, h2 { margin-top: 0; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 0.85em; }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; gap: 12px; }

form { margin-bottom: 12px; }
form.inline { display: inline-flex; align-items: center; gap: 6px; margin: 0 8px 8px 0; }

label { display: block; margin-bottom: 10px; font-size: 0.9em; color: var(--muted); }
input, select, textarea {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 6px 8px;
  background: #0d0f13;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 0.95em;
}
form.inline label { display: inline-flex; align-items: center; gap: 4px; margin: 0; }
form.inline input { display: inline-block; width: auto; margin-top: 0; }

button {
  padding: 6px 14px;
  background: var(--accent);
  border: none;
  border-radius: 4px;
  color: white;
  cursor: pointer;
  font-size: 0.9em;
}
button.danger { background: var(--danger); }
button.link-button { background: none; color: var(--muted); text-decoration: underline; padding: 0; }

a.button {
  background: var(--accent);
  color: white;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 4px;
}

.error { color: var(--danger); }

.status {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.75em;
  text-transform: uppercase;
}
.status-active { background: rgba(47,174,95,0.2); color: var(--ok); }
.status-expired { background: rgba(217,164,65,0.2); color: var(--warn); }
.status-revoked { background: rgba(229,72,77,0.2); color: var(--danger); }

.grid { display: grid; grid-template-columns: 160px 1fr; gap: 4px 12px; }
.grid dt { color: var(--muted); }
.grid dd { margin: 0; }

.key {
  display: block;
  font-size: 1.3em;
  padding: 12px;
  background: #0d0f13;
  border: 1px dashed var(--warn);
  border-radius: 4px;
  user-select: all;
  margin-top: 8px;
}

.presets button { margin-right: 4px; padding: 4px 8px; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }