/*
 * FlowDocs - Confirmation Modal Component
 * Reusable severity-based confirmation dialog
 * Replaces browser-native confirm() dialogs
 */

/* ================================
 * MODAL OVERLAY
 * ================================ */

.confirm-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: confirmFadeIn var(--transition-fast) ease-out;
}

.confirm-modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
}

/* ================================
 * DIALOG
 * ================================ */

.confirm-modal-dialog {
  position: relative;
  z-index: var(--z-modal);
  background: var(--pk-white);
  border: 1px solid var(--pk-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-7);
  box-shadow: var(--shadow-xl);
  max-width: 440px;
  width: 90%;
  text-align: center;
  animation: confirmSlideUp var(--transition-base) ease-out;
}

/* ================================
 * ICON
 * ================================ */

.confirm-modal-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  font-size: var(--text-xl);
}

/* ================================
 * TITLE & MESSAGE
 * ================================ */

.confirm-modal-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--pk-gray-900);
  margin-bottom: var(--space-2);
}

.confirm-modal-message {
  font-size: var(--text-sm);
  color: var(--pk-gray-500);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

/* ================================
 * ACTIONS
 * ================================ */

.confirm-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

.confirm-modal-actions .btn {
  min-width: auto;
  padding: var(--space-3) var(--space-6);
}

/* ================================
 * SEVERITY VARIANTS
 * ================================ */

/* Info - standard workflow actions */
.confirm-modal--info .confirm-modal-icon {
  background: var(--pk-info-light);
  color: var(--pk-info);
}

/* Warning - needs thought */
.confirm-modal--warning .confirm-modal-icon {
  background: var(--pk-warning-light);
  color: var(--pk-warning-dark);
}

/* Danger - destructive / irreversible */
.confirm-modal--danger .confirm-modal-icon {
  background: var(--pk-error-light);
  color: var(--pk-error);
}

/* ================================
 * ANIMATIONS
 * ================================ */

@keyframes confirmFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes confirmSlideUp {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ================================
 * RESPONSIVE
 * ================================ */

@media (max-width: 480px) {
  .confirm-modal-dialog {
    padding: var(--space-6);
    max-width: calc(100% - 1.5rem);
  }

  .confirm-modal-actions {
    flex-direction: column-reverse;
  }

  .confirm-modal-actions .btn {
    width: 100%;
  }

  /* Inline modal pattern (.modal / .modal-content / .modal-footer) */
  .modal-content {
    max-width: calc(100% - 1.5rem);
  }

  .modal-footer {
    flex-direction: column-reverse;
  }

  .modal-footer .btn {
    width: 100%;
  }
}

/* ================================
 * ACCESSIBILITY
 * ================================ */

@media (prefers-reduced-motion: reduce) {
  .confirm-modal,
  .confirm-modal-dialog {
    animation: none;
  }
}

/* ================================
 * INLINE MODAL PATTERN
 * Used by: review_queue, review_detail, batch_review, preview
 * ================================ */

body.modal-open {
  overflow: hidden;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
  animation: confirmFadeIn var(--transition-fast) ease-out;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
}

.modal-content {
  position: relative;
  z-index: var(--z-modal);
  background: var(--pk-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 440px;
  width: 90%;
  /* Keep the dialog within the viewport so tall content scrolls
     inside .modal-body instead of overflowing unreachably. */
  max-height: calc(100vh - 2 * var(--space-7));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: confirmSlideUp var(--transition-base) ease-out;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--pk-gray-100);
  flex-shrink: 0;
}

.modal-header h3 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--pk-gray-900);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--text-xl);
  color: var(--pk-gray-400);
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--pk-gray-700);
}

.modal-body {
  padding: var(--space-6);
  /* The scrollable region — header/footer stay fixed, body scrolls.
     min-height: 0 lets this flex child shrink below content height. */
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  background: var(--color-background-muted);
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  border-top: 1px solid var(--pk-gray-100);
  flex-shrink: 0;
}