/* ===== MODULE-SPECIFIC STYLES ===== */

/* Data input section */
.data-input-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.data-grid-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-height: 300px;
  max-height: 400px;
  overflow-y: auto;
}

.data-grid-wrapper table {
  min-width: 100%;
}

.data-grid-wrapper th,
.data-grid-wrapper td {
  min-width: 80px;
  max-width: 150px;
}

.example-datasets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.example-btn {
  padding: 6px 12px;
  font-size: 0.78rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.example-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

/* Variable selectors */
.var-selector {
  display: flex;
  gap: 12px;
  align-items: end;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.var-selector .form-group {
  margin-bottom: 0;
  min-width: 140px;
}

/* Parameter inputs row */
.param-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: end;
  margin-bottom: 16px;
}

.param-row .form-group {
  margin-bottom: 0;
  min-width: 100px;
  flex: 1;
}

.param-row .btn {
  flex-shrink: 0;
}

/* Chart container */
.chart-container {
  position: relative;
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin: 12px 0;
}

.chart-container canvas {
  width: 100% !important;
  height: auto !important;
  display: block;
}

.chart-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 8px;
}

/* Results grid */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin: 12px 0;
}

.result-card {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
}

.result-card .result-value {
  font-size: 1.25rem;
  margin-bottom: 2px;
}

.result-card .result-label {
  font-size: 0.72rem;
}

/* ANOVA table */
.anova-table {
  font-size: 0.85rem;
}

.anova-table th,
.anova-table td {
  padding: 10px 14px;
  text-align: right;
}

.anova-table th:first-child,
.anova-table td:first-child {
  text-align: left;
  font-weight: 600;
}

.anova-table .significant {
  color: var(--success);
  font-weight: 600;
}

/* Chi-square contingency table editor */
.contingency-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 12px 0;
}

.contingency-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.85rem;
}

.contingency-controls label {
  color: var(--text-secondary);
}

.contingency-controls input[type="number"] {
  width: 60px;
  text-align: center;
  padding: 4px 8px;
}

/* Prediction tool */
.prediction-tool {
  display: flex;
  gap: 12px;
  align-items: end;
  padding: 14px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin: 12px 0;
}

.prediction-result {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  padding: 8px 0;
}

/* Hypothesis test decision */
.decision-box {
  padding: 16px;
  border-radius: var(--radius-sm);
  margin: 12px 0;
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
}

.decision-box.reject {
  background: var(--danger-light);
  border: 1px solid var(--danger);
  color: var(--danger);
}

.decision-box.fail-to-reject {
  background: var(--success-light);
  border: 1px solid var(--success);
  color: var(--success);
}

/* AI insights section */
.ai-section {
  margin-top: 20px;
}

.ai-config {
  display: flex;
  gap: 12px;
  align-items: end;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.ai-config .form-group {
  margin-bottom: 0;
}

.ai-config input[type="password"] {
  width: 280px;
}

.ai-response {
  padding: 16px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  line-height: 1.7;
  white-space: pre-wrap;
  max-height: 400px;
  overflow-y: auto;
}

.ai-response.loading {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
}

.ai-placeholder {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.85rem;
  padding: 20px;
  text-align: center;
  background: var(--surface-alt);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
}

/* Sub-tabs within modules */
.sub-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
  overflow-x: auto;
}

.sub-tab {
  padding: 8px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.sub-tab:hover {
  color: var(--text-secondary);
}

.sub-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.sub-panel {
  display: none;
}

.sub-panel.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

/* Equation display */
.equation {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
  padding: 14px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin: 12px 0;
  color: var(--accent);
  letter-spacing: 0.02em;
}

/* Steps format */
.step-line {
  padding: 2px 0;
  color: var(--text-secondary);
}

.step-line .step-label {
  color: var(--text-muted);
  font-size: 0.8em;
}

.step-line .step-result {
  color: var(--accent);
  font-weight: 600;
}

/* Warning/info banners */
.banner {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin: 12px 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.banner svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.banner-warning {
  background: var(--warning-light);
  border: 1px solid var(--warning);
  color: var(--warning);
}

.banner-info {
  background: var(--info-light);
  border: 1px solid var(--info);
  color: var(--info);
}

/* Onboarding guide */
.onboarding-guide {
  border: 1px dashed var(--border-light);
  background: var(--surface-alt);
}

.guide-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}

.guide-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.guide-step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.guide-step-content {
  flex: 1;
  padding-top: 4px;
}

.guide-step-title {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.guide-step-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.guide-step-desc code {
  background: var(--bg);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.8rem;
}

.guide-action {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.guide-load-btn svg {
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .guide-action {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 600px) {
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .var-selector,
  .param-row,
  .ai-config {
    flex-direction: column;
    align-items: stretch;
  }

  .ai-config input[type="password"] {
    width: 100%;
  }

  .prediction-tool {
    flex-direction: column;
    align-items: stretch;
  }
}