/* Shared app form, panel, and modal primitives for authenticated surfaces */
:root {
  --pc-surface-card: var(--color-surface-elevated);
  --pc-surface-muted: var(--surface-2);
  --pc-border: var(--color-border);
  --pc-text-strong: var(--color-text-strong);
  --pc-text-muted: var(--color-text-muted);
  --pc-overlay: rgba(2, 6, 23, 0.64);
  --pc-shadow-lg: 0 18px 42px rgba(2, 6, 23, 0.14);
  --pc-input-bg: var(--surface-1);
  --pc-input-border: var(--color-border);
  --pc-focus-ring: 0 0 0 3px rgba(var(--brand-rgb), 0.16);
  --pc-danger-bg: var(--state-danger-bg);
  --pc-danger-border: rgba(180, 35, 24, 0.3);
  --pc-danger-text: var(--state-danger);
}

:root[data-theme='dark'] {
  --pc-overlay: rgba(2, 6, 23, 0.8);
  --pc-shadow-lg: 0 30px 64px rgba(0, 0, 0, 0.46);
  --pc-input-bg: color-mix(in srgb, var(--surface-1) 94%, #0b1210 6%);
}

.pc-panel {
  background: var(--pc-surface-card);
  border: 1px solid var(--pc-border);
  border-radius: 16px;
  box-shadow: var(--pc-shadow-lg);
  backdrop-filter: blur(14px);
}

.pc-form-shell {
  display: grid;
  gap: 16px;
}

.pc-form-section {
  display: grid;
  gap: 10px;
}

.pc-section-title {
  margin: 0;
  font-size: 1rem;
  color: var(--pc-text-strong);
}

.pc-section-copy {
  margin: 0;
  font-size: 0.87rem;
  color: var(--pc-text-muted);
  line-height: 1.45;
}

.pc-field,
.pc-field-group {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.pc-field label,
.pc-field-group label,
.pc-label {
  font-size: 0.84rem;
  color: var(--pc-text-muted);
  font-weight: 600;
}

.pc-required {
  color: var(--state-danger);
}

.pc-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.pc-input,
.pc-select,
.pc-textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--pc-input-border);
  border-radius: 12px;
  background: var(--pc-input-bg);
  color: var(--pc-text-strong);
  font: inherit;
  font-size: 0.9rem;
  line-height: 1.4;
  padding: 10px 12px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.pc-textarea {
  resize: vertical;
  min-height: 98px;
}

.pc-input:focus,
.pc-select:focus,
.pc-textarea:focus {
  outline: none;
  border-color: rgba(var(--brand-rgb), 0.7);
  box-shadow: var(--pc-focus-ring);
}

.pc-input[readonly] {
  background: var(--pc-surface-muted);
  color: var(--pc-text-muted);
}

.pc-help {
  margin: 0;
  font-size: 0.78rem;
  color: var(--pc-text-muted);
  line-height: 1.4;
}

.pc-feedback {
  margin: 0;
  min-height: 18px;
  font-size: 0.82rem;
  color: var(--pc-text-muted);
}

.pc-feedback.is-error {
  color: var(--pc-danger-text);
}

.pc-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.pc-action-row.is-separated {
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--pc-border);
}

.pc-btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.pc-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.pc-btn:not(:disabled):hover {
  transform: translateY(-1px);
}

.pc-btn-primary {
  color: var(--text-inverse);
  background: linear-gradient(130deg, var(--brand-600), var(--brand-700));
  box-shadow: 0 12px 24px rgba(var(--brand-rgb), 0.18);
}

.pc-btn-secondary {
  color: var(--pc-text-strong);
  background: var(--pc-input-bg);
  border-color: var(--pc-border);
}

.pc-btn-danger {
  color: var(--pc-danger-text);
  background: var(--pc-danger-bg);
  border-color: var(--pc-danger-border);
}

.pc-message {
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(var(--brand-rgb), 0.3);
  background: color-mix(in srgb, rgba(var(--brand-rgb), 0.1) 100%, transparent);
  color: var(--pc-text-strong);
  font-size: 0.84rem;
}

.pc-message.is-error {
  border-color: var(--pc-danger-border);
  background: var(--pc-danger-bg);
  color: var(--pc-danger-text);
}

.pc-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.pc-modal-overlay {
  position: absolute;
  inset: 0;
  background: var(--pc-overlay);
  cursor: pointer;
}

.pc-modal-content {
  position: relative;
  width: min(640px, 92vw);
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 18px;
  background: var(--pc-surface-card);
  border: 1px solid var(--pc-border);
  box-shadow: var(--pc-shadow-lg);
  color: var(--pc-text-strong);
}

.pc-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 18px 20px;
  background: var(--pc-surface-card);
  border-bottom: 1px solid var(--pc-border);
}

.pc-modal-title {
  margin: 0;
  font-size: 1.15rem;
}

.pc-modal-close {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid var(--pc-border);
  background: var(--pc-input-bg);
  color: var(--pc-text-muted);
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
}

.pc-modal-body {
  padding: 18px 20px 20px;
}

.pc-error-box {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--pc-danger-border);
  background: var(--pc-danger-bg);
  color: var(--pc-danger-text);
  font-size: 0.84rem;
}

@media (max-width: 720px) {
  .pc-grid-2 {
    grid-template-columns: 1fr;
  }

  .pc-modal-content {
    width: 100%;
    max-height: 100vh;
    border-radius: 0;
  }
}