:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --panel: #ffffff;
  --line: #d9e2ec;
  --text: #102a43;
  --muted: #627d98;
  --accent: #2680c2;
  --accent-dark: #186faf;
  --danger: #d64545;
  --danger-dark: #b73232;
  --success-soft: #d9f2e6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, sans-serif;
}

h1, h2, p {
  margin: 0;
}

code {
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-all;
}

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(16, 42, 67, 0.08);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 24px 32px 0;
}

.page-content {
  padding: 24px 32px 32px;
}

.stack,
.stack-lg {
  display: grid;
  gap: 16px;
}

.stack-lg {
  gap: 24px;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 600;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 14px;
}

button,
.link-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  border-radius: 12px;
  border: none;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}

button,
.link-button {
  background: var(--accent);
  color: white;
}

button:hover,
.link-button:hover {
  background: var(--accent-dark);
}

.secondary-button {
  background: white;
  color: var(--text);
  border: 1px solid var(--line);
}

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

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

.actions-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.panel {
  padding: 20px;
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.stat-card {
  background: #f8fbff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  display: grid;
  gap: 6px;
}

.stat-label,
.muted {
  color: var(--muted);
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--success-soft);
}

.empty-state {
  color: var(--muted);
  text-align: center;
  padding: 24px;
}

.alert.error {
  background: #fff1f1;
  color: #9b1c1c;
  border: 1px solid #f8b4b4;
  border-radius: 12px;
  padding: 12px 14px;
}

.form-panel {
  max-width: 760px;
}

@media (max-width: 768px) {
  .topbar,
  .page-content {
    padding-left: 16px;
    padding-right: 16px;
  }

  .panel-header,
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }
}