:root {
  --primary: #1e3a5f;
  --primary-light: #2d5a87;
  --accent: #4a90d9;
  --gold: #c9a227;
  --bg: #f0f2f5;
  --text: #333;
  --muted: #666;
  --border: #e0e0e0;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #dc2626;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Microsoft JhengHei", "PingFang TC", -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
}

.btn {
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 15px;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(30, 58, 95, 0.3);
}

.btn-secondary {
  background: #f0f0f0;
  color: var(--text);
}

.btn-secondary:hover { background: #e0e0e0; }

.btn-success {
  background: var(--success);
  color: white;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
}

.tag-high { background: #fee2e2; color: #dc2626; }
.tag-medium { background: #fef3c7; color: #d97706; }
.tag-low { background: #d1fae5; color: #059669; }
.tag-new { background: #dbeafe; color: #1e40af; }
.tag-contacted { background: #ede9fe; color: #7c3aed; }
.tag-closed { background: #f3f4f6; color: #6b7280; }