:root {
  --quiz-primary: #F09E0B;
  --quiz-card-bg: #263549;
  --quiz-border: #3d4f63;
  --quiz-text: #e5e7eb;
  --quiz-muted: #94a3b8;
  --quiz-success: #16a34a;
  --quiz-danger: #dc2626;
}

.tool-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  align-self: center;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(240, 158, 11, 0.15);
  color: #f6bb55;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-note {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100%;
}

.hero-note h2 {
  color: var(--quiz-primary);
  margin-bottom: 0.75rem;
}

.quiz-generator-layout {
  display: grid;
  grid-template-columns: minmax(340px, 0.95fr) minmax(360px, 1.1fr);
  gap: 2rem;
  align-items: start;
}

.generator-panel,
.preview-panel,
.import-panel,
.export-panel,
.help-panel {
  background: linear-gradient(180deg, rgba(44, 63, 74, 0.96), rgba(26, 37, 47, 0.98));
  border: 1px solid #475569;
  border-radius: 18px;
  padding: 1.75rem;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.22);
}

.generator-stack,
.preview-stack {
  display: grid;
  gap: 1.5rem;
}

.panel-title {
  margin: 0 0 1rem;
  color: var(--quiz-primary);
}

.form-grid {
  display: grid;
  gap: 1rem;
}

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

.form-group {
  display: grid;
  gap: 0.5rem;
}

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

.form-group input,
.form-group textarea,
.form-group select {
  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: 144px;
  resize: vertical;
}

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

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

.segmented-control input {
  display: none;
}

.segmented-control label {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid #475569;
  background: rgba(15, 23, 42, 0.38);
  color: #e5e7eb;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.segmented-control input:checked + label {
  background: rgba(240, 158, 11, 0.18);
  border-color: var(--quiz-primary);
  color: #ffd88f;
}

.upload-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.file-button,
.action-button,
.secondary-button,
.ghost-button,
.text-link-copy {
  appearance: none;
  border: none;
  border-radius: 10px;
  padding: 0.9rem 1.2rem;
  font-size: 0.96rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.file-button,
.action-button {
  background: var(--quiz-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);
}

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

.action-row {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.action-row > * {
  flex: 1 1 180px;
}

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

.question-list {
  display: grid;
  gap: 0.9rem;
}

.question-item {
  display: grid;
  gap: 0.65rem;
  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);
}

.question-item-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.question-index {
  color: #f8d08a;
  font-weight: 700;
}

.question-item p,
.question-item li {
  margin: 0;
  color: #e5e7eb;
}

.question-item ol {
  margin: 0;
  padding-left: 1.3rem;
  display: grid;
  gap: 0.4rem;
}

.question-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.25rem;
}

.question-actions-editor {
  margin-top: 0.5rem;
}

.question-action-button {
  padding: 0.75rem 1rem;
  font-size: 0.92rem;
}

.question-action-delete {
  border-color: rgba(239, 68, 68, 0.45);
  color: #fecaca;
}

.question-editor {
  display: grid;
  gap: 1rem;
}

.question-editor-answers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.question-editor-answer {
  display: grid;
  gap: 0.45rem;
  color: #e2e8f0;
  font-weight: 600;
}

.question-editor-answer input {
  width: 100%;
  padding: 0.8rem 0.95rem;
  background-color: #1a252f;
  color: #ffffff;
  border: 1px solid #475569;
  border-radius: 10px;
  font: inherit;
}

.question-editor-answer input:focus {
  outline: none;
  border-color: var(--quiz-primary);
  box-shadow: 0 0 0 3px rgba(240, 158, 11, 0.14);
}

.question-editor-note {
  margin: 0;
  color: var(--quiz-muted);
  font-size: 0.92rem;
}

.correct-answer {
  color: #86efac;
  font-weight: 700;
}

.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;
}

.preview-scorebar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.preview-pill {
  border: 1px solid #475569;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: rgba(38, 53, 73, 0.7);
  color: var(--quiz-text);
}

.preview-question-card {
  border: 1px solid var(--quiz-border);
  background: rgba(38, 53, 73, 0.92);
  border-radius: 16px;
  padding: 1.2rem;
  display: grid;
  gap: 0.9rem;
}

.preview-question-head {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.preview-question-number {
  color: var(--quiz-primary);
  font-weight: 700;
  min-width: 2.2rem;
  text-align: right;
}

.preview-question-text {
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 600;
}

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

.preview-answer {
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid #475569;
  background: rgba(15, 23, 42, 0.32);
  color: #e5e7eb;
}

.preview-answer.is-correct {
  border-color: rgba(22, 163, 74, 0.8);
  background: rgba(22, 163, 74, 0.15);
}

.link-output {
  display: grid;
  gap: 0.9rem;
}

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

.link-card a,
.link-card code {
  color: #ffd88f;
  word-break: break-all;
}

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

.qr-card img {
  width: min(280px, 100%);
  height: auto;
  border-radius: 16px;
  background: linear-gradient(180deg, #fff, #f8fafc);
  padding: 0.9rem;
}

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

.error-text {
  color: #fca5a5;
}

.hidden {
  display: none;
}

@media (max-width: 1024px) {
  .tool-hero,
  .quiz-generator-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .form-row,
  .preview-answers,
  .question-editor-answers {
    grid-template-columns: 1fr;
  }

  .action-row,
  .upload-row,
  .preview-scorebar,
  .question-actions {
    flex-direction: column;
  }

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

  .generator-panel,
  .preview-panel,
  .import-panel,
  .export-panel,
  .help-panel {
    padding: 1.25rem;
  }
}