/* ---------- Custom Question Mode ---------- */
.custom-question-panel {
  max-width: 1280px;
  margin: 10px auto 18px;
  padding: 16px 18px;
  border: 1px solid #d6dee8;
  border-radius: 10px;
  background: #fff;
  text-align: left;
}

/* Fields & Labels */
.custom-field {
  margin-bottom: 12px;
}

.custom-field label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 13.5px;
  color: #1e293b;
}

.custom-field label span {
  font-weight: normal;
  color: #64748b;
  font-size: 12px;
}

.custom-question-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.custom-image-tip {
  font-size: 11.5px;
  font-weight: 600;
  color: #1d4ed8;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 2px 8px;
  border-radius: 12px;
}

/* Rich Question Box */
.custom-rich-editor {
  width: 100%;
  min-height: 100px;
  padding: 10px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 7px;
  background: #fff;
  font: 14.5px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #0f172a;
  overflow-wrap: anywhere;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.custom-rich-editor:empty::before {
  content: attr(data-placeholder);
  color: #64748b;
  pointer-events: none;
}

.custom-rich-editor:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.qc-question-image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 8px 0;
  object-fit: contain;
}

/* Bottom Fields Row (Marks, Pages, Limit, Add Button) */
.custom-fields-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 12px;
  align-items: start;
  margin-top: 12px;
  margin-bottom: 0;
}

.custom-fields-row .custom-field {
  margin-bottom: 0;
}

.custom-fields-row .custom-field label,
.custom-field-spacer {
  height: 18px;
  line-height: 18px;
}

.custom-field-spacer {
  display: block;
  margin-bottom: 6px;
  visibility: hidden;
  user-select: none;
}

.custom-fields-row input {
  width: 100%;
  height: 40px;
  padding: 8px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 7px;
  font: inherit;
  color: #0f172a;
  background: #fff;
  box-sizing: border-box;
  margin: 0 !important;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.custom-fields-row input:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

/* Form Action Buttons */
.custom-button-group {
  display: flex;
  gap: 8px;
  align-items: center;
}

.custom-primary-button,
.custom-secondary-button {
  height: 40px;
  padding: 8px 16px;
  border-radius: 7px;
  border: 1px solid #cbd5e1;
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  box-sizing: border-box;
  margin: 0 !important;
  transition: background-color .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.custom-primary-button {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.18);
}

.custom-primary-button:hover {
  background: #1d4ed8;
  border-color: #1d4ed8;
}

.custom-secondary-button {
  background: #f1f5f9;
  color: #334155;
}

.custom-secondary-button:hover {
  background: #e2e8f0;
}

/* Error message (collapses to 0px when empty) */
.custom-error {
  min-height: 0;
  margin: 0;
  padding: 0;
  color: #b42318;
  font-size: 13px;
}

.custom-error:not(:empty) {
  min-height: 18px;
  margin-top: 8px;
  margin-bottom: 4px;
}

/* Question List & Cards */
.custom-question-list {
  margin-top: 14px;
  border-top: 1px solid #e5e7eb;
  padding-top: 14px;
}

.custom-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  margin-bottom: 12px;
}

.custom-list-header h3 {
  margin: 0 0 2px;
  font-size: 1rem;
  color: #1e293b;
}

.custom-list-header span {
  color: #64748b;
  font-size: 12px;
}

.custom-totals {
  font-weight: 600;
  font-size: 13px;
  color: #1e293b;
  text-align: right;
}

.custom-question-card {
  display: grid;
  grid-template-columns: 45px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 12px 0;
  border-top: 1px solid #edf0f3;
}

.custom-question-number {
  font-weight: 700;
  color: #475467;
}

.custom-question-text {
  line-height: 1.5;
  color: #1e293b;
  white-space: pre-wrap;
}

.custom-question-preview img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  margin: 8px 0;
  object-fit: contain;
}

.custom-question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 6px;
  color: #64748b;
  font-size: 12px;
}

.custom-question-meta span {
  padding-right: 7px;
  border-right: 1px solid #d0d5dd;
}

.custom-question-meta span:last-child {
  border-right: 0;
}

.custom-question-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 5px;
}

.custom-small-button {
  padding: 5px 9px;
  font-size: 12px;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
  background: #fff;
  color: #334155;
  cursor: pointer;
  transition: all 0.15s ease;
}

.custom-small-button:hover {
  background: #f1f5f9;
}

.custom-small-button:disabled {
  opacity: .4;
  cursor: not-allowed;
}

.custom-delete-button {
  color: #b42318;
}

.custom-delete-button:hover {
  background: #fef2f2;
}

.custom-empty-state {
  padding: 16px 8px;
  text-align: center;
  color: #64748b;
  font-size: 13px;
  border: 1px dashed #cfd8e3;
  border-radius: 7px;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .custom-question-panel {
    padding: 14px;
  }
  .custom-fields-row {
    grid-template-columns: 1fr 1fr;
  }
  .custom-button-field {
    grid-column: span 2;
  }
  .custom-field-spacer {
    display: none;
  }
  .custom-primary-button {
    width: 100%;
  }
  .custom-question-card {
    grid-template-columns: 36px minmax(0, 1fr);
  }
  .custom-question-actions {
    grid-column: 2;
    justify-content: flex-start;
  }
  .custom-list-header {
    align-items: flex-start;
    flex-direction: column;
  }
  .custom-totals {
    text-align: left;
  }
}