/**
 * Breast Cancer Risk Assessment Tool - Custom Styles
 * Built on top of Pico CSS for minimal, elegant design
 */

/* ==================== CSS Variables ==================== */
:root {
  /* Header Colors */
  --header-bg: #1e3a8a;
  --header-text: #ffffff;

  /* Notice Colors */
  --privacy-bg: #d4edda;
  --privacy-text: #155724;
  --privacy-border: #c3e6cb;

  --usage-bg: #fff3cd;
  --usage-text: #856404;
  --usage-border: #ffeaa7;

  /* Risk Visualization Colors */
  --risk-patient-high: #dc3545;
  --risk-patient-low: #dc3545;
  --risk-average: #007bff;

  /* Form Section Colors */
  --form-bg: #f8f9fa;
  --form-border: #dee2e6;
  --eligibility-band: #dc3545;
  --demographics-band: #007bff;
  --history-band: #28a745;

  /* Results Colors */
  --results-bg: #f8f9fa;
  --results-border: #dee2e6;
  --results-notice-bg: #ffffff;
  --results-notice-border: #dee2e6;

  /* Table Colors */
  --table-header-bg: #1e3a8a;
  --table-header-text: #ffffff;
  --table-row-even: #f8f9fa;
  --table-row-hover: #e9ecef;
  --table-border: #dee2e6;

  /* Spacing */
  --section-spacing: 2rem;
  --form-group-spacing: 1.5rem;
}

/* ==================== Header ==================== */
.app-header {
  background-color: var(--header-bg);
  margin: -1rem -1rem 2rem -1rem;
  padding: 2rem 1rem;
  border-radius: 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  gap: 2rem;
}

.header-text {
  flex: 1;
}

.app-header h1 {
  color: var(--header-text);
  text-align: left;
  margin-bottom: 0.5rem;
  font-size: 2rem;
}

.app-header .subtitle {
  color: rgba(255, 255, 255, 0.9);
  text-align: left;
  font-size: 1rem;
  margin-bottom: 0;
}

.github-link {
  display: flex;
  align-items: center;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.github-link:hover {
  transform: translateY(-2px);
  opacity: 0.8;
}

.github-logo {
  width: 64px;
  height: 64px;
  filter: brightness(0) invert(1);
}

/* ==================== Typography ==================== */
h1 {
  text-align: center;
  margin-bottom: 0.5rem;
  font-size: 2rem;
  color: var(--primary);
}

.subtitle {
  text-align: center;
  color: var(--muted-color);
  font-size: 1rem;
  margin-bottom: var(--section-spacing);
}

h2 {
  margin-top: var(--section-spacing);
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 0.5rem;
}

h3 {
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

h4 {
  margin-bottom: 0.5rem;
  font-size: 1rem;
  text-align: center;
}

/* ==================== Notice Boxes ==================== */
.notice {
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  border-radius: 0.5rem;
  border: 2px solid;
  line-height: 1.6;
}

.privacy-notice {
  background-color: var(--privacy-bg);
  color: var(--privacy-text);
  border-color: var(--privacy-border);
}

.privacy-notice a {
  color: var(--privacy-text);
  text-decoration: underline;
  font-weight: 600;
}

.privacy-notice a:hover {
  color: #0d3d17;
}

.usage-notice {
  background-color: var(--usage-bg);
  color: var(--usage-text);
  border-color: var(--usage-border);
}

/* ==================== Form Styles ==================== */
#bcra-form {
  background-color: var(--form-bg);
  padding: 2rem;
  border-radius: 0.5rem;
  border: 2px solid var(--form-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

fieldset {
  margin-bottom: var(--section-spacing);
  padding: 1.5rem;
  padding-left: 2rem;
  border: 2px solid var(--form-border);
  border-left-width: 5px;
  border-radius: 0.5rem;
  background-color: white;
  position: relative;
}

/* Colored bands for different sections */
fieldset:nth-of-type(1) {
  border-left-color: var(--eligibility-band);
}

fieldset:nth-of-type(1) legend {
  color: var(--eligibility-band);
}

#demographics-section {
  border-left-color: var(--demographics-band);
}

#demographics-section legend {
  color: var(--demographics-band);
}

#history-section {
  border-left-color: var(--history-band);
}

#history-section legend {
  color: var(--history-band);
}

fieldset:disabled {
  opacity: 0.6;
  pointer-events: none;
}

legend {
  font-size: 1.25rem;
  font-weight: 600;
  padding: 0 0.5rem;
}

.form-group {
  margin-bottom: var(--form-group-spacing);
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group label small {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted-color);
  font-weight: normal;
  font-size: 0.875rem;
}

/* Conditional Questions Animation */
.conditional-question {
  margin-left: 2rem;
  padding-left: 1rem;
  border-left: 3px solid var(--primary);
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.form-actions button {
  min-width: 150px;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ==================== Results Section ==================== */
#results-section {
  margin-top: var(--section-spacing);
  padding: 2rem;
  background-color: var(--results-bg);
  border: 2px solid var(--results-border);
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.results-notice {
  background-color: var(--results-notice-bg);
  border: 2px solid var(--results-notice-border);
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.results-notice ul {
  margin: 0;
  padding-left: 1.5rem;
}

.results-notice li {
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.results-notice a {
  color: var(--primary);
  text-decoration: underline;
}

/* ==================== Risk Visualizations ==================== */
.risk-visualization {
  margin-bottom: 3rem;
  padding: 2rem;
  background-color: #f8f9fa;
  border-radius: 0.5rem;
}

.risk-visualization h3 {
  text-align: center;
  margin-top: 0;
  color: var(--primary);
}

.visualization-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 2rem 0;
}

.viz-grid {
  text-align: center;
}

.viz-grid h4 {
  margin-bottom: 1rem;
  font-weight: 600;
}

.viz-grid svg {
  max-width: 100%;
  height: auto;
}

.risk-description {
  text-align: center;
  font-size: 1.1rem;
  line-height: 1.6;
  margin-top: 1.5rem;
  padding: 1rem;
  background-color: white;
  border-radius: 0.5rem;
  border: 1px solid var(--muted-border-color);
}

.risk-description strong {
  color: var(--primary);
}

.risk-higher {
  color: var(--risk-patient-high);
  font-weight: 600;
}

.risk-lower {
  color: var(--risk-average);
  font-weight: 600;
}

/* Interpretable Risk Description */
.interpretable-description {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background-color: #f0f8ff;
  border-left: 4px solid var(--header-bg);
  border-radius: 0.5rem;
}

.interpretable-description h4 {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--header-bg);
  font-size: 1.1rem;
  text-align: left;
}

.interpretable-description ul {
  list-style: none !important;
  padding-left: 0;
  margin: 0;
}

.interpretable-description li {
  list-style: none !important;
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.6;
}

.interpretable-description li:before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--header-bg);
  font-weight: bold;
  font-size: 1.2rem;
}

.interpretable-description li:last-child {
  margin-bottom: 0;
}

/* ==================== Answers Summary ==================== */
.answers-summary {
  margin-top: 3rem;
  padding: 2rem;
  background-color: white;
  border-radius: 0.5rem;
  border: 2px solid var(--table-border);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.answers-summary h3 {
  margin-top: 0;
  color: var(--header-bg);
}

#answers-table {
  width: 100%;
  margin-top: 1rem;
  border-collapse: collapse;
  border-radius: 0.5rem;
  overflow: hidden;
}

#answers-table thead {
  background-color: var(--table-header-bg) !important;
}

#answers-table thead th {
  padding: 1rem 0.75rem;
  text-align: left;
  font-weight: 600;
  background-color: var(--table-header-bg) !important;
  color: var(--table-header-text) !important;
  border: 1px solid var(--table-border);
}

#answers-table td {
  padding: 0.75rem;
  border: 1px solid var(--table-border);
  transition: background-color 0.2s ease;
}

#answers-table tbody tr {
  background-color: white;
}

#answers-table tbody tr:nth-child(even) {
  background-color: var(--table-row-even);
}

#answers-table tbody tr:hover {
  background-color: #d3d8de !important;
  transition: all 0.15s ease;
  box-shadow: inset 4px 0 0 var(--header-bg) !important;
  transform: scale(1.005);
}

.answer-subquestion {
  padding-left: 2rem;
  font-style: italic;
  color: var(--muted-color);
}

/* ==================== Modal Styles ==================== */
dialog {
  max-width: 500px;
}

dialog article {
  margin: 0;
}

dialog header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--muted-border-color);
}

dialog header h3 {
  margin: 0;
  color: var(--primary);
}

dialog p {
  padding: 1.5rem;
  line-height: 1.6;
}

dialog footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--muted-border-color);
  text-align: right;
}

dialog a {
  color: var(--primary);
  text-decoration: underline;
}

/* ==================== Responsive Design ==================== */

/* Tablet Breakpoint */
@media (max-width: 768px) {
  .app-header {
    padding: 1.5rem 1rem;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .app-header h1 {
    font-size: 1.75rem;
  }

  .app-header .subtitle {
    font-size: 0.9rem;
  }

  .github-link {
    align-self: flex-end;
  }

  .github-logo {
    width: 56px;
    height: 56px;
  }

  #bcra-form {
    padding: 1.5rem;
  }

  .visualization-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .conditional-question {
    margin-left: 1rem;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions button {
    width: 100%;
  }

  fieldset {
    padding: 1rem;
    padding-left: 1.5rem;
  }

  .risk-visualization {
    padding: 1rem;
  }

  .answers-summary {
    padding: 1rem;
  }

  #answers-table {
    font-size: 0.9rem;
  }

  #answers-table th,
  #answers-table td {
    padding: 0.5rem;
  }
}

/* Mobile Breakpoint */
@media (max-width: 480px) {
  .app-header {
    padding: 1rem;
  }

  .app-header h1 {
    font-size: 1.5rem;
  }

  .app-header .subtitle {
    font-size: 0.85rem;
  }

  .github-logo {
    width: 48px;
    height: 48px;
  }

  #bcra-form {
    padding: 1rem;
  }

  .notice {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }

  fieldset {
    padding: 0.75rem;
    padding-left: 1rem;
  }

  legend {
    font-size: 1.1rem;
  }

  .conditional-question {
    margin-left: 0.5rem;
  }

  .risk-description {
    font-size: 1rem;
    padding: 0.75rem;
  }

  #answers-table {
    font-size: 0.85rem;
  }

  #answers-table th,
  #answers-table td {
    padding: 0.4rem;
  }

  .answer-subquestion {
    padding-left: 1rem;
  }
}

/* ==================== Print Styles ==================== */
@media print {
  .notice,
  .form-actions,
  #calculator-form,
  button {
    display: none;
  }

  #results-section {
    border-top: none;
    padding-top: 0;
  }

  .risk-visualization {
    page-break-inside: avoid;
  }

  .answers-summary {
    page-break-inside: avoid;
  }
}

/* ==================== Accessibility ==================== */
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .notice {
    border-width: 3px;
  }

  fieldset {
    border-width: 2px;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .conditional-question,
  #results-section {
    animation: none;
  }
}

/* ==================== Loading States ==================== */
.loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2rem;
  height: 2rem;
  margin: -1rem 0 0 -1rem;
  border: 3px solid var(--muted-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}