:root {
  --assignment-primary: #F09E0B;
  --assignment-card-bg: #263549;
  --assignment-border: #3d4f63;
  --assignment-text: #e5e7eb;
  --assignment-muted: #94a3b8;
  --assignment-success: #16a34a;
  --assignment-danger: #dc2626;
  --generator-primary: var(--assignment-primary);
  --generator-panel-border: #475569;
  --generator-panel-surface: linear-gradient(180deg, rgba(44, 63, 74, 0.96), rgba(26, 37, 47, 0.98));
}

.memory-generator-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: 2rem;
  align-items: start;
}

.preview-head {
  margin-bottom: 1.25rem;
}

.form-grid,
.form-group,
.pair-editor,
.pair-editor-fields,
.pair-list {
  display: grid;
  gap: 1rem;
}

.form-group label,
.field-label,
.pair-editor label {
  color: #e2e8f0;
  font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select,
.pair-editor input,
.pair-editor textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  background-color: #1a252f;
  color: #ffffff;
  border: 1px solid #475569;
  border-radius: 10px;
  font-size: 0.98rem;
  font: inherit;
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus,
.pair-editor input:focus,
.pair-editor textarea:focus {
  outline: none;
  border-color: var(--assignment-primary);
  box-shadow: 0 0 0 3px rgba(240, 158, 11, 0.14);
}

.upload-row,
.pair-actions,
.question-item-head {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.action-row > * {
  min-width: 0;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.action-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.import-layout {
  display: grid;
  gap: 1rem;
}

.import-option {
  display: grid;
  gap: 0.85rem;
  padding: 1.1rem 1.15rem;
  border-radius: 18px;
  border: 1px solid rgba(93, 208, 255, 0.18);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.42), rgba(22, 34, 45, 0.88));
}

.import-option h3 {
  margin: 0;
  color: #ffffff;
  font-size: 1.05rem;
}

.import-option-csv {
  border-color: rgba(240, 158, 11, 0.38);
  background: linear-gradient(160deg, rgba(90, 55, 12, 0.42), rgba(27, 38, 49, 0.96));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.import-option-json {
  border-color: rgba(93, 208, 255, 0.2);
}

.import-label {
  margin: 0;
  color: #ffd88f;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.action-button,
.secondary-button,
.ghost-button,
.text-link-copy {
  min-height: 2.85rem;
  appearance: none;
  border: none;
  border-radius: 10px;
  padding: 0.75rem 1rem;
  line-height: 1.25;
  font-size: 0.96rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.button-link {
  min-height: 2.85rem;
}

.action-button {
  background: var(--assignment-primary);
  color: #1a252f;
}

.secondary-button {
  background: #475569;
  color: #ffffff;
}

.ghost-button,
.text-link-copy {
  background: transparent;
  color: #ffd88f;
  border: 1px solid rgba(240, 158, 11, 0.45);
}

.danger-button {
  background: linear-gradient(135deg, #7f1d1d, #dc2626);
  color: #fff7f7;
  border: 1px solid rgba(254, 202, 202, 0.3);
  box-shadow: 0 12px 24px rgba(127, 29, 29, 0.24);
}

.action-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.text-link-copy:hover {
  transform: translateY(-2px);
}

.danger-button:hover,
.danger-button:focus-visible {
  background: linear-gradient(135deg, #991b1b, #ef4444);
  box-shadow: 0 16px 28px rgba(127, 29, 29, 0.3);
}

.note,
.helper-text,
.upload-hint,
.csv-hint,
.pair-editor-note {
  color: var(--assignment-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.question-item {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 14px;
  border: 1px solid #475569;
  background: rgba(15, 23, 42, 0.36);
}

.question-item-editing {
  border-color: rgba(240, 158, 11, 0.45);
  box-shadow: inset 0 0 0 1px rgba(240, 158, 11, 0.14);
}

.help-card {
  display: grid;
  gap: 0.8rem;
  color: #d7dee8;
}

.export-panel .action-row {
  justify-content: space-between;
}

.question-index,
.answer-count-badge,
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(240, 158, 11, 0.12);
  color: #ffd88f;
  font-size: 0.88rem;
  font-weight: 700;
}

.pair-values {
  display: grid;
  gap: 0.7rem;
}

.pair-value-card {
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(71, 85, 105, 0.88);
  background: rgba(15, 23, 42, 0.5);
}

.pair-value-card strong {
  display: block;
  color: #ffd88f;
  margin-bottom: 0.35rem;
}

.link-output {
  display: grid;
  gap: 1rem;
}

.link-card,
.qr-card {
  display: grid;
  gap: 0.65rem;
  padding: 1rem;
  border-radius: 14px;
  border: 1px solid #475569;
  background: rgba(15, 23, 42, 0.4);
}

.link-card a {
  color: #ffd88f;
  overflow-wrap: anywhere;
}

.qr-card img {
  width: min(240px, 100%);
  height: auto;
  border-radius: 16px;
  background: linear-gradient(180deg, #fff, #f8fafc);
  padding: 0.9rem;
}

body.modal-open {
  overflow: hidden;
}

.memory-modal {
  width: min(1120px, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  margin: auto;
  padding: 0;
  border: 1px solid rgba(93, 208, 255, 0.28);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(12, 19, 27, 0.98), rgba(27, 39, 50, 0.98));
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45);
  color: var(--assignment-text);
}

.memory-modal::backdrop {
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(6px);
}

.memory-modal-shell {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.2rem, 2.2vw, 2rem);
}

.memory-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 1rem;
}

.memory-modal-eyebrow {
  align-self: start;
  margin-bottom: 0.65rem;
}

.memory-modal-frame {
  padding: 1.1rem 1.15rem;
  border-radius: 18px;
  border: 1px solid rgba(93, 208, 255, 0.18);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.42), rgba(22, 34, 45, 0.88));
}

.memory-modal-section-title {
  margin: 0 0 1rem;
  color: #ffffff;
  font-size: 1.05rem;
}

.memory-editor-actions,
.csv-import-actions {
  display: flex;
  justify-content: flex-end;
}

.csv-import-frame {
  gap: 1rem;
}

.csv-upload-label {
  color: #e2e8f0;
  font-weight: 600;
}

.csv-upload-row {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  align-items: center;
}

.csv-option-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  width: fit-content;
  color: #e2e8f0;
  font-weight: 600;
  cursor: pointer;
}

.csv-option-toggle input {
  width: auto;
  min-width: 1rem;
  margin: 0;
  accent-color: var(--assignment-primary);
}

.csv-file-name {
  color: var(--assignment-muted);
  font-size: 0.92rem;
  overflow-wrap: anywhere;
}

.hidden {
  display: none !important;
}

.success-text {
  color: #86efac;
}

.error-text {
  color: #fca5a5;
}

@media (max-width: 1180px) {
  .memory-generator-layout {
    gap: 1.5rem;
  }
}

@media (max-width: 980px) {
  .memory-generator-layout {
    grid-template-columns: 1fr;
  }

  .section-head,
  .memory-modal-head,
  .question-item-head {
    flex-direction: column;
    align-items: stretch;
  }

  .section-head .action-button,
  .question-item-head .status-badge {
    align-self: flex-start;
  }

  .action-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .preview-stack,
  .generator-stack,
  .link-output {
    gap: 1.25rem;
  }
}

@media (max-width: 720px) {
  .pair-editor-fields {
    grid-template-columns: 1fr;
  }

  .action-row {
    grid-template-columns: 1fr;
  }

  .section-head,
  .memory-modal-head,
  .upload-row,
  .pair-actions,
  .question-item-head,
  .csv-upload-row {
    flex-direction: column;
    align-items: stretch;
  }

  .memory-editor-actions,
  .csv-import-actions {
    justify-content: stretch;
  }

  .action-row > *,
  .upload-row > * {
    width: 100%;
  }

  .memory-modal {
    width: calc(100vw - 1rem);
    max-height: calc(100vh - 1rem);
    border-radius: 18px;
  }

  .memory-modal-shell {
    gap: 1rem;
    padding: 1rem;
  }

  .memory-modal-frame {
    padding: 1rem;
  }
}

@media (max-width: 560px) {
  .generator-panel,
  .preview-panel,
  .import-panel,
  .export-panel,
  .import-option,
  .question-item,
  .link-card,
  .qr-card,
  .pair-value-card {
    padding: 1rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .panel-title {
    margin-bottom: 0.75rem;
  }

  .action-button,
  .secondary-button,
  .ghost-button,
  .text-link-copy {
    width: 100%;
    min-height: 2.75rem;
    padding: 0.7rem 0.9rem;
    font-size: 0.94rem;
  }

  .button-link {
    min-height: 2.75rem;
  }

  .status-badge,
  .answer-count-badge {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 420px) {
  .import-option,
  .question-item,
  .link-card,
  .qr-card,
  .pair-value-card {
    border-radius: 14px;
  }

  .memory-modal {
    width: calc(100vw - 0.5rem);
    max-height: calc(100vh - 0.5rem);
    border-radius: 16px;
  }
}