/* ========================================
   Modal Components - Shared Styles
   ======================================== */

.modal-overlay,
.confirm-dialog-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-backdrop-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: var(--z-modal);
  backdrop-filter: blur(8px);
  animation: modalFadeIn 0.2s ease;
}

/* Native top layer keeps confirmations above an expanded 3D viewer. */
dialog.confirm-dialog-overlay {
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  border: 0;
  color: inherit;
}

dialog.confirm-dialog-overlay::backdrop { background: transparent; }

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

.modal,
.confirm-dialog {
  background: var(--modal-bg);
  border-radius: 16px;
  border: 1px solid var(--modal-border);
  width: 100%;
  max-width: 960px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
  animation: modalSlideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal.modal-lg,
.confirm-dialog.modal-lg { max-width: 1200px; }

.modal.modal-xl,
.confirm-dialog.modal-xl { max-width: 1400px; }

.modal.modal-sm,
.confirm-dialog.modal-sm { max-width: 520px; }

.modal.modal-md,
.confirm-dialog.modal-md { max-width: 820px; }

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--surface-border);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface-muted) 58%, transparent), transparent),
    var(--surface-default);
  flex-shrink: 0;
}

.modal-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-strong);
  margin: 0;
}

.modal-subtitle {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--text-muted);
}

.modal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--surface-border);
  background: var(--surface-default);
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  border-radius: 10px;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
}

.modal-close:hover {
  background: var(--surface-muted);
  border-color: var(--accent-fg);
  color: var(--text-strong);
  transform: translateY(-1px);
}

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 22px;
  background: var(--surface-default);
}

.modal-body--flush {
  padding: 0;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 22px;
  border-top: 1px solid var(--surface-border);
  background:
    linear-gradient(0deg, color-mix(in srgb, var(--surface-muted) 55%, transparent), transparent),
    var(--surface-default);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .modal-overlay,
  .confirm-dialog-overlay { padding: 0; }
  .modal,
  .confirm-dialog {
    width: 100%;
    max-width: none;
  }
  .modal {
    width: 100%;
    height: 100%;
    border-radius: 0;
    max-width: none;
    max-height: none;
  }
  .modal-body { padding: 18px 16px; }
  .modal-header, .modal-footer { padding: 14px 16px; }
}

/* === CONFIRM DIALOG CONTENT === */
.confirm-dialog {
  width: min(420px, 90vw);
  padding: 0;
  max-width: 420px;
}

.confirm-dialog-content {
  display: flex;
  min-height: 0;
  overflow-y: auto;
  gap: 16px;
  padding: 20px 24px;
  align-items: flex-start;
}

.confirm-dialog-icon {
  display: inline-flex;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--attention-bg) 78%, transparent);
  color: var(--attention-fg);
  flex-shrink: 0;
}

.confirm-dialog-text {
  display: flex;
  min-width: 0;
  overflow-wrap: anywhere;
  flex-direction: column;
  gap: 4px;
}

.confirm-dialog-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-strong);
  margin: 0;
}

.confirm-dialog-message {
  font-size: 14px;
  color: var(--text-subtle);
  line-height: 1.5;
  margin: 0;
}

.confirm-dialog-choices {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  max-height: min(280px, 40vh);
  overflow-y: auto;
}

.confirm-dialog-choice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--surface-border);
  border-radius: 10px;
  cursor: pointer;
  background: var(--surface-default);
}

.confirm-dialog-choice:has(input:checked) {
  border-color: var(--accent-fg);
  background: color-mix(in srgb, var(--accent-fg) 8%, var(--surface-default));
}

.confirm-dialog-choice input {
  margin-top: 3px;
  accent-color: var(--accent-fg);
}

.confirm-dialog-choice-content {
  display: grid;
  gap: 2px;
  color: var(--text-strong);
}

.confirm-dialog-choice-content small {
  color: var(--text-muted);
  line-height: 1.35;
}

.confirm-dialog-actions {
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--surface-border);
  background: var(--surface-default);
}

.confirm-dialog.unsaved-changes-dialog {
  width: min(640px, 92vw);
  max-width: 640px;
}

.confirm-dialog.unsaved-changes-dialog .confirm-dialog-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.confirm-dialog.unsaved-changes-dialog .confirm-dialog-actions .btn {
  min-width: 0;
  white-space: normal;
  text-align: center;
  line-height: 1.3;
  padding-inline: 14px;
}

@media (max-width: 640px) {
  .confirm-dialog.unsaved-changes-dialog .confirm-dialog-actions {
    grid-template-columns: 1fr;
  }
}