:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #e0e2e6;
  --text: #1a1d21;
  --muted: #6b7280;
  --accent: #2563eb;
  --danger: #dc2626;
  --warn: #d97706;
  --ok: #16a34a;
  font-family: -apple-system, "Segoe UI", "Noto Sans TC", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

header h1 { font-size: 18px; margin: 0; }

main {
  max-width: 960px;
  margin: 24px auto;
  padding: 0 16px;
}

button {
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 14px;
}

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

button.danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

tr.case-row { cursor: pointer; }
tr.case-row:hover { background: #f0f4ff; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge.pending { background: #fef3c7; color: var(--warn); }
.badge.in_review { background: #dbeafe; color: var(--accent); }
.badge.closed { background: #dcfce7; color: var(--ok); }

.risk-high { color: var(--danger); font-weight: 700; }
.risk-mid { color: var(--warn); font-weight: 700; }
.risk-low { color: var(--ok); font-weight: 700; }
.risk-none { color: var(--muted); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.card h2, .card h3 { margin-top: 0; }

.field { margin-bottom: 12px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.field input[type=text], .field textarea, .field select {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}
.field textarea { min-height: 80px; resize: vertical; }
.checkbox-field { display: flex; align-items: center; gap: 8px; }

.entity {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 12px;
}

.entity-content { white-space: pre-wrap; word-break: break-word; font-size: 14px; }

.event {
  border-top: 1px dashed var(--border);
  padding-top: 8px;
  margin-top: 8px;
}

.event summary { cursor: pointer; font-size: 13px; color: var(--muted); }

pre {
  background: #f8f9fb;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  font-size: 12px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.related-list { font-size: 13px; }
.hidden { display: none; }
.muted { color: var(--muted); font-size: 13px; }
.toolbar { display: flex; gap: 8px; margin-bottom: 16px; }