:root {
  color-scheme: dark;
  --bg: #0f1115;
  --bg-alt: #171a21;
  --bg-raised: #1c2029;
  --border: #2a2e37;
  --border-strong: #3a3f4b;
  --text: #e6e8eb;
  --text-dim: #9aa1ac;
  --accent: #5eead4;
  --accent-dim: rgba(94, 234, 212, 0.12);
  --danger: #f87171;
  --warning: #fbbb24;
  --radius: 8px;
  --radius-sm: 5px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.24), 0 8px 24px -8px rgba(0, 0, 0, 0.5);
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --transition: 0.15s ease;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--text); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

header.site {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  padding: 1.1rem 2rem;
  border-bottom: 1px solid var(--border);
}

header.site .brand { font-weight: 700; text-decoration: none; color: var(--text); font-size: 1.1rem; letter-spacing: -0.01em; }
header.site .brand:hover { color: var(--text); opacity: 0.85; }

header.site nav { display: flex; align-items: center; flex-wrap: wrap; gap: 0.4rem 1.5rem; }
header.site nav a { color: var(--text-dim); text-decoration: none; transition: color var(--transition); }
header.site nav a:hover { color: var(--text); }

header.site nav a.nav-cta {
  color: #0f1115;
  background: var(--accent);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  transition: filter var(--transition);
}
header.site nav a.nav-cta:hover { color: #0f1115; filter: brightness(1.08); }

header.site nav form { display: inline-flex; }
header.site nav .button.secondary { padding: 0.35rem 0.85rem; font-size: 0.92rem; }

main { flex: 1; width: 100%; max-width: 880px; margin: 0 auto; padding: var(--space-4) 1.5rem; }

main.narrow {
  max-width: 440px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-top: 2.5rem;
  margin-bottom: 2.5rem;
  padding: var(--space-3) var(--space-3) var(--space-4);
}

h1 { font-size: 2rem; margin-bottom: 0.5rem; letter-spacing: -0.01em; }
h2 { font-size: 1.3rem; margin-top: 2.5rem; margin-bottom: 0.75rem; letter-spacing: -0.005em; }
p.lede { color: var(--text-dim); font-size: 1.1rem; }

.card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
  overflow-wrap: anywhere;
}
.card h2:first-child { margin-top: 0; }

.button {
  display: inline-block;
  background: var(--accent);
  color: #0f1115;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: filter var(--transition), transform var(--transition), box-shadow var(--transition);
}
.button:hover { filter: brightness(1.08); }
.button:active { transform: translateY(1px); }
.button:disabled { opacity: 0.5; cursor: not-allowed; filter: none; transform: none; }

.button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.button.secondary:hover { background: var(--bg-raised); filter: none; border-color: var(--text-dim); }

.button-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
}

.divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 1.25rem 0;
}
.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

form.stacked label { display: block; margin: 1rem 0 0.3rem; font-size: 0.9rem; color: var(--text-dim); }
form.stacked input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
form.stacked input:hover { border-color: var(--text-dim); }
form.stacked input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
form.stacked .hint { color: var(--text-dim); font-size: 0.85rem; margin-top: 0.4rem; }
form.stacked .actions { margin-top: 1.5rem; }
.mt-lg { margin-top: var(--space-2); }

.errors {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  margin: 1rem 0;
}
.errors ul { margin: 0; padding-left: 1.2rem; }

.message { color: var(--text-dim); }

.table-scroll { overflow-x: auto; margin: 0 -0.25rem; }
table.instances { width: 100%; border-collapse: collapse; min-width: 480px; }
table.instances th, table.instances td {
  text-align: left;
  padding: 0.7rem 0.5rem;
  border-bottom: 1px solid var(--border);
}
table.instances th { color: var(--text-dim); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em; }
table.instances tbody tr { transition: background-color var(--transition); }
table.instances tbody tr:hover { background: var(--bg-alt); }

code.secret {
  display: block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.8rem;
  word-break: break-all;
  margin: 0.4rem 0 1rem;
  font-size: 0.9rem;
}

.status-pill {
  display: inline-block;
  padding: 0.15rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--border);
}
.status-active { color: var(--accent); border-color: var(--accent); background: var(--accent-dim); }
.status-pending { color: var(--warning); border-color: var(--warning); background: rgba(251, 187, 36, 0.1); }
.status-failed { color: var(--danger); border-color: var(--danger); background: rgba(248, 113, 113, 0.1); }

footer.site { text-align: center; color: var(--text-dim); padding: 2rem; font-size: 0.85rem; border-top: 1px solid var(--border); }

@media (max-width: 640px) {
  header.site { padding: 1rem 1.25rem; }
  main { padding: var(--space-3) 1.25rem; }
  main.narrow { margin-top: 1.5rem; margin-bottom: 1.5rem; padding: var(--space-3); }
  h1 { font-size: 1.6rem; }
}