:root {
  --bg: #0f1419;
  --surface: #1a222c;
  --border: #2a3542;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #3d8bfd;
  --accent-hover: #5ca0ff;
  --danger: #e35d6a;
  --ok: #3ecf8e;
  --warn: #e6b84d;
  --radius: 8px;
  --font: "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #1a2a3d 0%, var(--bg) 55%);
  color: var(--text);
}

.hidden {
  display: none !important;
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.login-card {
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.login-card form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.qr-wrap {
  display: grid;
  place-items: center;
  padding: 0.75rem;
  background: #fff;
  border-radius: 6px;
}

.qr-wrap svg,
.qr-wrap img {
  max-width: 220px;
  height: auto;
}

.secret-row {
  display: flex;
  gap: 0.4rem;
}

.secret-row input {
  flex: 1;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.8rem;
}

.login-card h1 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 600;
}

.muted {
  color: var(--muted);
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}

input,
textarea,
select,
button {
  font: inherit;
}

input,
textarea,
select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 0.55rem 0.7rem;
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 50%, transparent);
  border-color: var(--accent);
}

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
}

button:hover {
  background: var(--accent-hover);
}

button.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

button.ghost:hover {
  color: var(--text);
  border-color: var(--muted);
}

button.danger {
  background: var(--danger);
}

button.danger:hover {
  filter: brightness(1.08);
}

.error {
  color: var(--danger);
  font-size: 0.85rem;
  margin: 0;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.topbar nav {
  display: flex;
  gap: 0.35rem;
  flex: 1;
}

.nav-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
}

.nav-btn.active,
.nav-btn:hover {
  color: var(--text);
  border-color: var(--border);
  background: var(--surface);
}

main {
  padding: 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
}

.panel h2 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1rem;
  align-items: end;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  text-align: left;
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tr:last-child td {
  border-bottom: none;
}

.mono {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.8rem;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge.active {
  background: color-mix(in srgb, var(--ok) 20%, transparent);
  color: var(--ok);
}

.badge.revoked {
  background: color-mix(in srgb, var(--danger) 20%, transparent);
  color: var(--danger);
}

.badge.expired {
  background: color-mix(in srgb, var(--warn) 20%, transparent);
  color: var(--warn);
}

.badge.stale-yes {
  background: color-mix(in srgb, var(--warn) 20%, transparent);
  color: var(--warn);
}

.badge.stale-no {
  background: color-mix(in srgb, var(--ok) 20%, transparent);
  color: var(--ok);
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.row-actions button {
  padding: 0.3rem 0.55rem;
  font-size: 0.8rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
  max-width: 720px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.form-grid .full {
  grid-column: 1 / -1;
}

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

.result {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: auto;
  font-size: 0.8rem;
  max-height: 360px;
}

dialog {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  padding: 0;
  max-width: 420px;
  width: calc(100% - 2rem);
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.55);
}

.dialog-form {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.dialog-form h3 {
  margin: 0;
}

.check {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
}

@media (max-width: 700px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-wrap: wrap;
  }
}

.keys-warn {
  margin: 0 0 1rem;
  max-width: 720px;
  line-height: 1.45;
}

.keys-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.key-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.key-card h2 {
  margin: 0;
  font-size: 1.05rem;
}

.key-status {
  margin: 0;
}

.key-sha {
  margin: 0;
  font-size: 0.75rem;
  word-break: break-all;
  color: var(--muted);
  min-height: 2.4em;
}

button.danger-outline {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 45%, var(--border));
}

button.danger-outline:hover {
  border-color: var(--danger);
  color: #fff;
  background: var(--danger);
}