:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --panel: #121820;
  --border: #23303c;
  --text: #d7e0e8;
  --muted: #7f93a3;
  --accent: #4fd1c5;
  --error: #ff6b6b;
  --warn: #e8b339;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  margin: 0;
  color: var(--accent);
}

#user-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem;
}

section {
  margin-bottom: 2.5rem;
}

h2 {
  font-size: 1rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h3 {
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hint {
  color: var(--muted);
  font-size: 0.85rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}

th,
td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: normal;
  text-transform: uppercase;
  font-size: 0.75rem;
}

form {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
  flex-wrap: wrap;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--muted);
}

input,
select {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  font-family: inherit;
}

button {
  background: var(--accent);
  color: #06201d;
  border: none;
  padding: 0.45rem 0.9rem;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

button.delete-user {
  background: transparent;
  color: var(--error);
  border: 1px solid var(--error);
  font-weight: normal;
  padding: 0.3rem 0.6rem;
}

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

.banner {
  color: var(--warn);
  border: 1px solid var(--warn);
  border-radius: 4px;
  padding: 0.6rem 0.9rem;
  font-size: 0.8rem;
  margin: 0 0 1rem;
}

.banner code {
  background: rgba(232, 179, 57, 0.12);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
}

.demo-badge {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.05rem 0.35rem;
  border: 1px solid var(--warn);
  color: var(--warn);
  border-radius: 3px;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  vertical-align: middle;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  font-size: 0.75rem;
  color: var(--muted);
}