:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --surface: #171a21;
  --border: #2a2e37;
  --text: #e6e8eb;
  --muted: #9aa2af;
  --accent: #6c8cff;
  --danger: #ff6c6c;
  --success: #4fd18b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
}
.topbar .brand {
  font-weight: 600;
  color: var(--text);
}
.topbar nav a {
  margin-left: 18px;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
}
th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
th {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.85em;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

button,
input[type='submit'],
.btn {
  background: var(--accent);
  color: #0b0d11;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 0.95em;
  cursor: pointer;
}
button.secondary,
.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
button.danger,
.btn.danger {
  background: var(--danger);
  color: #1a0d0d;
}

input[type='text'],
input[type='password'],
input[type='number'],
input[type='date'],
select,
textarea {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95em;
}

label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.9em;
}

.field {
  margin-bottom: 14px;
}

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

.doc-content h1 {
  margin-top: 0;
}
.doc-content ol,
.doc-content ul {
  padding-left: 1.3em;
}
.doc-content li {
  margin-bottom: 6px;
}

.footer {
  text-align: center;
  color: var(--muted);
  padding: 24px;
  font-size: 0.85em;
}