:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface-2: #243044;
  --border: #2d3a4f;
  --text: #e8edf4;
  --text-muted: #8b9cb3;
  --accent: #5b8def;
  --accent-hover: #7aa3f5;
  --success: #3ecf8e;
  --danger: #f07178;
  --warning: #e6b450;
  --radius: 10px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  font-family: "DM Sans", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(ellipse at top, #1a2744 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.5;
}

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

a:hover {
  color: var(--accent-hover);
}

.layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

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

.site-header h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-header h1 span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.card + .card {
  margin-top: 1rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--text);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--danger);
}

.btn-danger:hover {
  background: rgba(240, 113, 120, 0.12);
  color: var(--danger);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
}

.messages {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.messages li {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.messages .success {
  border-color: var(--success);
  color: var(--success);
}

.messages .error {
  border-color: var(--danger);
  color: var(--danger);
}

.messages .warning {
  border-color: var(--warning);
  color: var(--warning);
}

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

th,
td {
  padding: 0.65rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tr:hover td {
  background: rgba(91, 141, 239, 0.05);
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-muted {
  background: rgba(139, 156, 179, 0.2);
  color: var(--text-muted);
}

.badge-progress {
  background: rgba(91, 141, 239, 0.2);
  color: var(--accent-hover);
}

.badge-success {
  background: rgba(62, 207, 142, 0.2);
  color: var(--success);
}

.badge-danger {
  background: rgba(240, 113, 120, 0.2);
  color: var(--danger);
}

.form-grid {
  display: grid;
  gap: 1rem;
}

.form-grid label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-muted);
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.form-grid textarea {
  min-height: 100px;
  resize: vertical;
}

.depth-rows {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.depth-row {
  display: grid;
  grid-template-columns: 1fr 100px auto;
  gap: 0.5rem;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.meta-item label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.meta-item strong {
  font-size: 1rem;
}

.article-preview {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.article-preview iframe {
  width: 100%;
  min-height: 480px;
  border: none;
  display: block;
}

.empty-state {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
}

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

.import-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.import-form input[type="file"] {
  max-width: 220px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.htmx-indicator {
  opacity: 0;
  transition: opacity 0.2s;
}

.htmx-request .htmx-indicator {
  opacity: 1;
}

.polling-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}