:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --border: #e2e2e2;
  --accent: #2563eb;
  --danger: #dc2626;
  --success: #16a34a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #eaeaea;
    --muted: #9a9a9a;
    --border: #2c2c2c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--fg);
}

.container { max-width: 960px; margin: 0 auto; padding: 24px 16px; }
.center { min-height: 100vh; display: flex; align-items: center; justify-content: center; }

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
}
.nav-brand { font-weight: 600; }
.nav nav { display: flex; gap: 16px; flex: 1; }
.nav a { color: var(--fg); text-decoration: none; }
.nav a:hover { color: var(--accent); }
.nav-logout button { background: none; border: none; color: var(--muted); cursor: pointer; }

.alert {
  background: #fef3c7;
  color: #92400e;
  padding: 8px 24px;
  font-size: 14px;
}
.container .alert { border-radius: 6px; margin-bottom: 16px; }
.alert-success { background: color-mix(in srgb, var(--success) 15%, transparent); color: var(--success); }

.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab {
  padding: 6px 12px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--muted);
  border: 1px solid var(--border);
}
.tab.active { color: var(--accent); border-color: var(--accent); }

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.post-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  color: var(--fg);
}
.post-card img { width: 100%; aspect-ratio: 4/5; object-fit: cover; display: block; }
.post-card-noimg {
  aspect-ratio: 4/5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  background: color-mix(in srgb, var(--fg) 5%, transparent);
}
.post-card p { padding: 8px 12px; font-size: 14px; margin: 0; }

.post-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 16px 0; }
.post-detail-image img { width: 100%; border-radius: 8px; }
.post-detail-form { display: flex; flex-direction: column; gap: 8px; }
.post-detail-form textarea, .post-detail-form input {
  width: 100%; padding: 8px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg); color: var(--fg); font-family: inherit;
}

.post-actions { display: flex; gap: 12px; }
.btn-approve { background: var(--success); color: white; border: none; padding: 10px 20px; border-radius: 6px; cursor: pointer; }
.btn-reject { background: var(--danger); color: white; border: none; padding: 10px 20px; border-radius: 6px; cursor: pointer; }
button { font: inherit; }
button:disabled { opacity: 0.4; cursor: not-allowed; }

.status-badge {
  display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px;
  background: color-mix(in srgb, var(--fg) 8%, transparent); width: fit-content;
}

.card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}
.card h1, .card h2 { margin-top: 0; }
.card label { display: block; margin: 12px 0 4px; font-size: 14px; }
.card input, .card select, .card textarea { width: 100%; padding: 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--fg); font: inherit; }
.card button { margin-top: 16px; width: 100%; padding: 10px; background: var(--accent); color: white; border: none; border-radius: 6px; cursor: pointer; }
.error { color: var(--danger); }

.example-form { margin-bottom: 24px; }
.example-card { padding: 10px; }
.example-card p { padding: 4px 0; }
.example-type { color: var(--accent); font-size: 12px; font-weight: 600; text-transform: uppercase; }
.example-notes { color: var(--muted); font-size: 13px; font-style: italic; }
.example-card .row-actions { margin-top: 6px; align-items: center; }

.inline-form { display: flex; gap: 8px; margin-bottom: 16px; }
.inline-form input { padding: 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--fg); }
.inline-form button { padding: 8px 16px; border-radius: 6px; border: none; background: var(--accent); color: white; cursor: pointer; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); }
.row-actions { display: flex; gap: 8px; }
.row-actions button { padding: 4px 10px; border-radius: 6px; border: 1px solid var(--border); background: none; color: var(--fg); cursor: pointer; }

.insight-group-label { font-size: 15px; margin: 24px 0 8px; }
.insight-group-label:first-of-type { margin-top: 0; }
.insight-card { margin-bottom: 16px; }
.insight-card form { margin-top: 12px; }
.insight-period { color: var(--muted); font-size: 13px; margin-top: 0; }
.insight-summary { white-space: pre-wrap; font-family: inherit; margin: 0; }

.empty { color: var(--muted); }

.container-wide { max-width: 1400px; }

.kanban-board { display: flex; gap: 16px; align-items: flex-start; overflow-x: auto; }
.kanban-column {
  flex: 1 0 220px;
  min-width: 220px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--fg) 3%, transparent);
}
.kanban-column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.kanban-count {
  font-weight: 400;
  color: var(--muted);
  font-size: 12px;
  background: color-mix(in srgb, var(--fg) 8%, transparent);
  border-radius: 999px;
  padding: 1px 8px;
}
.kanban-column-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  min-height: 80px;
}
.kanban-column-body.drag-over { background: color-mix(in srgb, var(--accent) 10%, transparent); }

.kanban-card {
  display: block;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
  text-decoration: none;
  padding: 10px;
  font-size: 13px;
}
.kanban-card img { width: 100%; border-radius: 4px; aspect-ratio: 4/5; object-fit: cover; margin-bottom: 6px; }
.kanban-card p { margin: 0; }
.kanban-card[draggable="true"] { cursor: grab; }
.kanban-card.dragging { opacity: 0.4; }
.kanban-card-angle { font-weight: 600; margin-bottom: 4px !important; }
.kanban-card-reason { color: var(--muted); font-style: italic; }
.kanban-card-processing { color: var(--muted); }
.kanban-card-failed-reason { color: var(--danger); font-size: 12px; margin-top: 4px !important; }

.btn-link { display: inline-block; text-decoration: none; }

.kanban-manual-add {
  border: 1px dashed var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 13px;
}
.kanban-manual-add summary { cursor: pointer; color: var(--accent); }
.kanban-manual-form { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; }
.kanban-manual-form label { font-size: 12px; color: var(--muted); margin-top: 4px; }
.kanban-manual-form input, .kanban-manual-form select {
  padding: 6px; border: 1px solid var(--border); border-radius: 4px;
  background: var(--bg); color: var(--fg); font: inherit; font-size: 13px;
}
.kanban-manual-form button {
  margin-top: 8px; padding: 6px; border: none; border-radius: 6px;
  background: var(--accent); color: white; cursor: pointer;
}

.page-picker-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 8px;
  cursor: pointer;
}
.page-picker-option input { width: auto; }