/**
 * Homework / Test creator and viewer — parent & teacher flow, shared with student.
 */
.homework-intro {
  margin-bottom: var(--app-space-lg);
}
.hw-type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--app-space-md);
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--app-space-md);
  margin-top: var(--app-space-lg);
}
.btn { padding: 12px 20px; font-size: 0.9375rem; font-weight: 600; border-radius: var(--app-radius-md); cursor: pointer; border: none; transition: background 0.2s, color 0.2s; }
.btn-primary { background: var(--app-primary); color: #fff; }
.btn-primary:hover { background: var(--app-primary-hover, #4338ca); }
.btn-secondary { background: var(--app-surface); color: var(--app-text); border: 1px solid var(--app-border); }
.btn-secondary:hover { background: var(--app-bg); }

.hw-preview-section { margin-top: var(--app-space-xl); padding-top: var(--app-space-lg); border-top: 1px solid var(--app-border-soft); }
.hw-preview-list { display: flex; flex-direction: column; gap: var(--app-space-sm); margin-bottom: var(--app-space-md); }
.hw-preview-item { padding: var(--app-space-sm) var(--app-space-md); background: var(--app-surface); border-radius: var(--app-radius-sm); border: 1px solid var(--app-border-soft); font-size: 0.9rem; }

/* View / attempt / results */
.homework-view-page .hw-card { background: var(--app-surface); border-radius: var(--app-radius-lg); border: 1px solid var(--app-border-soft); padding: var(--app-space-lg); margin-bottom: var(--app-space-lg); }
.homework-view-page .hw-meta { font-size: 0.875rem; color: var(--app-text-secondary); margin-bottom: var(--app-space-md); }
.homework-view-page .hw-actions { display: flex; flex-wrap: wrap; gap: var(--app-space-sm); margin-top: var(--app-space-md); }
.homework-view-page .hw-share-box { margin-top: var(--app-space-md); padding: var(--app-space-md); background: var(--app-bg); border-radius: var(--app-radius-md); font-size: 0.8125rem; word-break: break-all; }
.homework-view-page .hw-import-section { padding: var(--app-space-lg); text-align: center; }
.homework-view-page .hw-import-section textarea { width: 100%; min-height: 120px; margin: var(--app-space-sm) 0; padding: var(--app-space-sm); font-family: monospace; font-size: 0.8rem; }
.homework-view-page .hw-question-block { margin-bottom: var(--app-space-xl); padding-bottom: var(--app-space-lg); border-bottom: 1px solid var(--app-border-soft); }
.homework-view-page .hw-question-block:last-child { border-bottom: none; }
.homework-view-page .hw-q-label { font-size: 0.75rem; font-weight: 600; color: var(--app-primary); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.homework-view-page .hw-q-text { font-size: 1rem; margin-bottom: var(--app-space-sm); }
.homework-view-page .hw-fill-blanks { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 8px; }
.homework-view-page .hw-fill-blanks-wrap { margin-top: 8px; line-height: 2; }
.homework-view-page .hw-fill-blanks-wrap .hw-fill-input { padding: 6px 10px; min-width: 100px; margin: 0 2px; border: 1px solid var(--app-border); border-radius: var(--app-radius-sm); font-size: 0.9rem; }
.homework-view-page .hw-fill-input { padding: 8px 12px; min-width: 120px; border: 1px solid var(--app-border); border-radius: var(--app-radius-sm); font-size: 0.9rem; }
.homework-view-page .hw-options { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.homework-view-page .hw-option { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--app-border); border-radius: var(--app-radius-sm); cursor: pointer; }
.homework-view-page .hw-option input { accent-color: var(--app-primary); }
.homework-view-page .hw-option.selected { border-color: var(--app-primary); background: var(--app-primary-soft); }
.homework-view-page .hw-textarea-answer { width: 100%; min-height: 80px; padding: 12px; font-size: 0.9375rem; border: 1px solid var(--app-border); border-radius: var(--app-radius-sm); resize: vertical; }
.homework-view-page .hw-results-summary { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: var(--app-space-md); margin-bottom: var(--app-space-lg); }
.homework-view-page .hw-results-tile { padding: var(--app-space-md); background: var(--app-primary-soft); border-radius: var(--app-radius-md); text-align: center; }
.homework-view-page .hw-results-tile .tile-value { font-size: 1.5rem; font-weight: 700; color: var(--app-primary); }
.homework-view-page .hw-results-tile .tile-label { font-size: 0.75rem; color: var(--app-text-secondary); }
.homework-view-page .hw-eval-row { display: flex; align-items: center; gap: var(--app-space-sm); margin-top: 8px; }
.homework-view-page .hw-eval-input { width: 60px; padding: 6px 8px; text-align: center; }
.homework-view-page .hw-badge { display: inline-block; padding: 4px 10px; font-size: 0.75rem; font-weight: 600; border-radius: 999px; background: var(--app-primary-soft); color: var(--app-primary); }
.homework-view-page .hw-badge.pending { background: #fef3c7; color: #92400e; }
.homework-view-page .hw-badge.correct { background: #d1fae5; color: #065f46; }
.homework-view-page .hw-badge.wrong { background: #fee2e2; color: #991b1b; }