:root {
  --pc-bg: #fafafa;
  --pc-surface: #ffffff;
  --pc-surface-2: #f4f4f5;
  --pc-border: #e4e4e7;
  --pc-text: #18181b;
  --pc-muted: #52525b;
  --pc-accent: #18181b;
  --pc-accent-text: #ffffff;
}

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

.pc-topbar {
  border-bottom: 1px solid var(--pc-border);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(6px);
}

.pc-card {
  border: 1px solid var(--pc-border);
  background: rgba(255, 255, 255, 0.85);
  border-radius: 1rem;
}

.pc-btn {
  border-radius: 0.75rem;
  padding: 0.65rem 1rem;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.pc-btn-primary {
  background: var(--pc-accent);
  color: var(--pc-accent-text);
}

.pc-btn-primary:hover {
  filter: brightness(0.95);
}

.pc-btn-outline {
  border: 1px solid var(--pc-border);
  background: rgba(255, 255, 255, 0.75);
}

.pc-btn-outline:hover {
  background: rgba(244, 244, 245, 0.9);
}

.pc-input,
.pc-select,
.pc-textarea {
  width: 100%;
  border-radius: 0.75rem;
  border: 1px solid var(--pc-border);
  background: var(--pc-surface-2);
  color: var(--pc-text);
  padding: 0.75rem;
  font-size: 0.875rem;
}

.pc-input:focus,
.pc-select:focus,
.pc-textarea:focus {
  outline: none;
  border-color: #a1a1aa;
  box-shadow: 0 0 0 2px rgba(161, 161, 170, 0.35);
}

.pc-label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.75rem;
  color: var(--pc-muted);
}

.pc-alert {
  border-radius: 0.75rem;
  padding: 0.7rem 0.9rem;
  font-size: 0.875rem;
  border: 1px solid;
}

.pc-alert-error {
  border-color: rgba(127, 29, 29, 0.6);
  background: rgba(254, 226, 226, 0.75);
  color: #7f1d1d;
}

.pc-alert-success {
  border-color: rgba(6, 78, 59, 0.6);
  background: rgba(209, 250, 229, 0.8);
  color: #065f46;
}