/* ================================================
   HUMBLE — Futuristic Minimalist Theme
   UTHSC Brand: Green #115740 | Orange #ff8200
   ================================================ */

:root {
  --uthsc-green: #115740;
  --uthsc-orange: #ff8200;
  --uthsc-green-light: #1a7a5a;
  --uthsc-orange-light: #ff9a33;
  --glass-bg: rgba(255, 255, 255, 0.6);
  --glass-border: rgba(255, 255, 255, 0.25);
  --glass-blur: 14px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Semantic tokens (light mode defaults) */
  --body-bg: linear-gradient(145deg, #f7faf8 0%, #eef3f0 50%, #faf8f5 100%);
  --body-dot: rgba(17, 87, 64, 0.025);
  --text-primary: #000;
  --text-secondary: #444;
  --text-muted: #666;
  --text-faint: #888;
  --surface: #fff;
  --surface-alt: rgba(245, 245, 245, 0.8);
  --border-light: rgba(0, 0, 0, 0.1);
  --border-subtle: rgba(0, 0, 0, 0.06);
  --chip-bg: rgba(0, 0, 0, 0.04);
  --chip-border: rgba(0, 0, 0, 0.06);
  --skeleton-from: rgba(17, 87, 64, 0.06);
  --skeleton-to: rgba(17, 87, 64, 0.12);
  --accordion-active-bg: rgba(17, 87, 64, 0.04);
  --table-separator: #ffffff;
  --form-bg: rgba(255, 255, 255, 0.8);
  --modal-bg: #fff;
}

/* ========================
   DARK MODE
   ======================== */
[data-theme="dark"] {
  --body-bg: linear-gradient(145deg, #0f1612 0%, #131d18 50%, #161a17 100%);
  --body-dot: rgba(17, 87, 64, 0.06);
  --glass-bg: rgba(22, 30, 26, 0.75);
  --glass-border: rgba(255, 255, 255, 0.06);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
  --text-primary: #e8ece9;
  --text-secondary: #b0bab4;
  --text-muted: #8a9690;
  --text-faint: #697670;
  --surface: #1a2420;
  --surface-alt: rgba(30, 42, 36, 0.8);
  --border-light: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.04);
  --chip-bg: rgba(255, 255, 255, 0.06);
  --chip-border: rgba(255, 255, 255, 0.08);
  --skeleton-from: rgba(17, 87, 64, 0.1);
  --skeleton-to: rgba(17, 87, 64, 0.2);
  --accordion-active-bg: rgba(17, 87, 64, 0.12);
  --table-separator: rgba(255, 255, 255, 0.06);
  --form-bg: rgba(22, 30, 26, 0.6);
  --modal-bg: #1a2420;
  --uthsc-green-light: #22a07a;
  --uthsc-orange-light: #ffb04d;
}

html[data-theme="dark"] body {
  background-color: #131d18 !important;
  background-image: linear-gradient(145deg, #0f1612 0%, #131d18 50%, #161a17 100%) !important;
  background-attachment: fixed !important;
  color: var(--text-primary) !important;
}

html[data-theme="dark"] body::before {
  background-image: radial-gradient(circle, var(--body-dot) 1px, transparent 1px);
}

html[data-theme="dark"] h1,
html[data-theme="dark"] h2,
html[data-theme="dark"] h3,
html[data-theme="dark"] h4,
html[data-theme="dark"] h5,
html[data-theme="dark"] h6 {
  color: var(--text-primary) !important;
}

html[data-theme="dark"] p,
html[data-theme="dark"] li,
html[data-theme="dark"] label,
html[data-theme="dark"] small {
  color: var(--text-secondary);
}

/* Sub-nav */
html[data-theme="dark"] .subnav {
  background: var(--surface) !important;
  border-bottom-color: var(--border-light) !important;
}

html[data-theme="dark"] .subnav-link {
  color: var(--text-secondary) !important;
}

html[data-theme="dark"] .subnav-link:hover {
  background: rgba(17, 87, 64, 0.12) !important;
  color: var(--text-primary) !important;
}

html[data-theme="dark"] .subnav-link.active {
  background: var(--uthsc-green) !important;
  color: #fff !important;
}

/* Cards */
html[data-theme="dark"] .card,
html[data-theme="dark"] .plot-card,
html[data-theme="dark"] .skeleton-card,
html[data-theme="dark"] .team-card {
  background: var(--glass-bg) !important;
  border-color: var(--glass-border) !important;
}

html[data-theme="dark"] .card-body,
html[data-theme="dark"] .card-header {
  color: var(--text-primary);
}

/* Forms */
html[data-theme="dark"] .form-control {
  background: var(--form-bg) !important;
  border-color: var(--border-light) !important;
  color: var(--text-primary) !important;
}

html[data-theme="dark"] .form-control:focus {
  background: var(--surface) !important;
  color: var(--text-primary) !important;
}

html[data-theme="dark"] .form-control[readonly] {
  background: var(--surface-alt) !important;
  color: var(--text-muted) !important;
}

html[data-theme="dark"] .form-select {
  background-color: var(--form-bg) !important;
  border-color: var(--border-light) !important;
  color: var(--text-primary) !important;
}

html[data-theme="dark"] .form-label {
  color: var(--text-secondary) !important;
}

/* Modals */
html[data-theme="dark"] .modal-content {
  background: var(--modal-bg) !important;
}

html[data-theme="dark"] .modal-body {
  color: var(--text-secondary);
}

html[data-theme="dark"] .modal-body h5 {
  color: var(--text-primary) !important;
}

html[data-theme="dark"] .modal-header {
  border-bottom: none !important;
}

html[data-theme="dark"] .modal-footer {
  border-top-color: var(--border-light) !important;
}

/* Tables */
html[data-theme="dark"] .table {
  color: var(--text-primary) !important;
}

html[data-theme="dark"] table.table-borderless tr:not(:last-child) th,
html[data-theme="dark"] table.table-borderless tr:not(:last-child) td {
  border-bottom-color: var(--table-separator) !important;
}

html[data-theme="dark"] table.table-borderless th:not(:last-child),
html[data-theme="dark"] table.table-borderless td:not(:last-child) {
  border-right-color: var(--table-separator) !important;
}

/* BCVA dropdown */
html[data-theme="dark"] .bcva-menu {
  background: var(--surface) !important;
  border-color: var(--border-light) !important;
}


html[data-theme="dark"] .bcva-header-row {
  background: rgba(17, 87, 64, 0.1) !important;
  border-bottom-color: rgba(17, 87, 64, 0.2) !important;
}

html[data-theme="dark"] .bcva-logmar {
  color: var(--text-primary) !important;
}

html[data-theme="dark"] .bcva-snellen {
  color: var(--text-muted) !important;
}

html[data-theme="dark"] .bcva-option:hover {
  background: rgba(17, 87, 64, 0.15);
}

html[data-theme="dark"] .bcva-option.selected {
  background: var(--uthsc-green) !important;
  color: #fff;
}

html[data-theme="dark"] .bcva-option.selected .bcva-logmar,
html[data-theme="dark"] .bcva-option.selected .bcva-snellen {
  color: #fff !important;
}

/* Language dropdown */
html[data-theme="dark"] .lang-menu {
  background: var(--surface) !important;
  border-color: var(--border-light) !important;
}

html[data-theme="dark"] .lang-option {
  color: var(--uthsc-green-light) !important;
}

html[data-theme="dark"] .lang-option:hover {
  background: rgba(17, 87, 64, 0.12);
}

/* Patient summary chips */
html[data-theme="dark"] .value-chip {
  background: var(--chip-bg);
  border-color: var(--chip-border);
}

html[data-theme="dark"] .value-chip-label {
  color: var(--text-muted) !important;
}

html[data-theme="dark"] .value-chip-value {
  color: var(--text-primary) !important;
}

html[data-theme="dark"] .value-chip-accent {
  background: rgba(17, 87, 64, 0.15);
  border-color: rgba(17, 87, 64, 0.25);
}

html[data-theme="dark"] .patient-summary {
  background: linear-gradient(135deg, rgba(17, 87, 64, 0.06), rgba(17, 87, 64, 0.02));
  border-top-color: var(--border-light);
}

/* Skeleton shimmer */
html[data-theme="dark"] .skel-bar {
  background: linear-gradient(90deg, var(--skeleton-from) 0%, var(--skeleton-to) 40%, var(--skeleton-from) 80%) !important;
  background-size: 200% 100%;
}

/* Stepper */
html[data-theme="dark"] .stepper-circle {
  background: #2a3832;
  color: var(--text-muted);
}

html[data-theme="dark"] .stepper-label {
  color: var(--text-faint);
}

html[data-theme="dark"] .stepper-line {
  background: #2a3832;
}

/* Bootstrap switches — unchecked state */
html[data-theme="dark"] .form-check-input:not(:checked) {
  background-color: #2a3832 !important;
  border-color: rgba(255, 255, 255, 0.15) !important;
}

/* Form section headers */
html[data-theme="dark"] .form-section-header {
  border-bottom-color: rgba(17, 87, 64, 0.15);
}

html[data-theme="dark"] .form-section-header i {
  color: var(--uthsc-green-light) !important;
  opacity: 0.9 !important;
}

html[data-theme="dark"] .form-section-header h6 {
  color: var(--text-secondary) !important;
}

/* Info/question icons in results */
html[data-theme="dark"] .text-info {
  color: #5bc0de !important;
}

/* Accordion */
html[data-theme="dark"] .accordion-item {
  background: var(--glass-bg) !important;
  border-color: var(--glass-border) !important;
}

html[data-theme="dark"] .accordion-button {
  background: var(--glass-bg) !important;
  color: var(--text-primary) !important;
}

html[data-theme="dark"] .accordion-button:not(.collapsed) {
  background: var(--accordion-active-bg) !important;
  color: var(--uthsc-green-light) !important;
}

html[data-theme="dark"] .accordion-body {
  background: var(--glass-bg);
  color: var(--text-secondary);
}

/* HR dividers */
html[data-theme="dark"] hr {
  background: linear-gradient(90deg, transparent 0%, rgba(17, 87, 64, 0.3) 25%, rgba(255, 130, 0, 0.3) 75%, transparent 100%) !important;
}

/* Credits / team */
html[data-theme="dark"] .credits-heading {
  color: rgba(34, 160, 122, 0.5) !important;
  border-bottom-color: rgba(34, 160, 122, 0.15) !important;
}

html[data-theme="dark"] .credits-name {
  color: var(--uthsc-green-light) !important;
}

html[data-theme="dark"] .credits-role {
  color: var(--text-muted) !important;
}

html[data-theme="dark"] .credits-affiliation {
  color: var(--text-faint) !important;
}

html[data-theme="dark"] .credits-support-group p {
  color: var(--text-muted) !important;
}

html[data-theme="dark"] .team-card .list-unstyled li {
  color: var(--text-secondary) !important;
  border-bottom-color: var(--border-subtle) !important;
}

/* Metric badges */
html[data-theme="dark"] .metric-value {
  background: linear-gradient(135deg, rgba(17, 87, 64, 0.15), rgba(17, 87, 64, 0.08)) !important;
  border-color: rgba(17, 87, 64, 0.2) !important;
}

html[data-theme="dark"] .metric-value-orange {
  background: linear-gradient(135deg, rgba(185, 71, 0, 0.15), rgba(185, 71, 0, 0.08)) !important;
  border-color: rgba(185, 71, 0, 0.2) !important;
}

/* Toast (already dark, just tweak border) */
html[data-theme="dark"] .toast-custom {
  background: rgba(10, 10, 10, 0.95);
  border-color: rgba(255, 255, 255, 0.04);
}

/* Field flash animation */
html[data-theme="dark"] .field-flash {
  animation: fieldFlashDark 0.8s ease;
}

@keyframes fieldFlashDark {
  0% { background-color: rgba(17, 87, 64, 0.25); }
  100% { background-color: transparent; }
}

/* Ref cards */
html[data-theme="dark"] .ref-card a {
  color: var(--uthsc-green-light) !important;
}

/* Bootstrap overrides for dark */
html[data-theme="dark"] .text-muted {
  color: var(--text-muted) !important;
}

html[data-theme="dark"] .text-dark {
  color: var(--text-primary) !important;
}

html[data-theme="dark"] .bg-light {
  background-color: var(--surface) !important;
}

html[data-theme="dark"] .border {
  border-color: var(--border-light) !important;
}

/* Button overrides for dark */
html[data-theme="dark"] .btn-light {
  background-color: rgba(255, 255, 255, 0.08) !important;
  border-color: rgba(255, 255, 255, 0.12) !important;
  color: var(--text-primary) !important;
}

html[data-theme="dark"] .btn-light:hover {
  background-color: rgba(255, 255, 255, 0.14) !important;
  border-color: rgba(255, 255, 255, 0.18) !important;
  color: #fff !important;
}

html[data-theme="dark"] .btn-outline-success {
  border-color: var(--uthsc-green-light) !important;
  color: var(--uthsc-green-light) !important;
}

html[data-theme="dark"] .btn-outline-success:hover {
  background-color: var(--uthsc-green) !important;
  border-color: var(--uthsc-green) !important;
  color: #fff !important;
}

html[data-theme="dark"] .btn-outline-light {
  border-color: rgba(255, 255, 255, 0.3) !important;
  color: rgba(255, 255, 255, 0.85) !important;
}

html[data-theme="dark"] .btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.12) !important;
  color: #fff !important;
}

/* Alert overrides for dark */
html[data-theme="dark"] .alert-success {
  background-color: rgba(25, 135, 84, 0.15) !important;
  border-color: rgba(25, 135, 84, 0.25) !important;
  color: #6edba5 !important;
}

html[data-theme="dark"] .alert-warning {
  background-color: rgba(255, 193, 7, 0.12) !important;
  border-color: rgba(255, 193, 7, 0.25) !important;
  color: #ffe066 !important;
}

html[data-theme="dark"] .alert-danger {
  background-color: rgba(220, 53, 69, 0.15) !important;
  border-color: rgba(220, 53, 69, 0.25) !important;
  color: #f08090 !important;
}

html[data-theme="dark"] .alert strong {
  color: inherit !important;
}

/* Theme toggle button — matches .lang-trigger sizing */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.78rem;
  padding: 0.35rem 0.7rem;
  min-height: 32px;
  cursor: pointer;
  transition: var(--transition);
  margin-left: 0.5rem;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

/* Conditional survival year dropdown — mirrors .lang-dropdown */
.cond-surv-dropdown {
  position: relative;
}

.cond-surv-trigger {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(17, 87, 64, 0.06);
  border: 1px solid rgba(17, 87, 64, 0.12);
  border-radius: var(--radius);
  color: var(--uthsc-green);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  transition: var(--transition);
}

.cond-surv-trigger:hover {
  background: rgba(17, 87, 64, 0.1);
}

.cond-surv-chevron {
  font-size: 0.6rem;
  transition: transform 0.2s ease;
}

.cond-surv-dropdown.open .cond-surv-chevron {
  transform: rotate(180deg);
}

.cond-surv-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 0.35rem;
  display: none;
  min-width: 52px;
  z-index: 1050;
  max-height: 200px;
  overflow-y: auto;
}

.cond-surv-dropdown.open .cond-surv-menu {
  display: flex;
  flex-direction: column;
}

.cond-surv-option {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--uthsc-green);
  text-align: center;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.cond-surv-option:hover {
  background: rgba(17, 87, 64, 0.06);
}

.cond-surv-option.active {
  background: var(--uthsc-green);
  color: #fff;
}

/* Dark mode */
html[data-theme="dark"] .cond-surv-trigger {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

html[data-theme="dark"] .cond-surv-trigger:hover {
  background: rgba(255, 255, 255, 0.14);
}

html[data-theme="dark"] .cond-surv-menu {
  background: var(--surface);
  border-color: var(--border-light);
}

html[data-theme="dark"] .cond-surv-option {
  color: var(--uthsc-green-light);
}

html[data-theme="dark"] .cond-surv-option:hover {
  background: rgba(17, 87, 64, 0.12);
}

html[data-theme="dark"] .cond-surv-option.active {
  background: var(--uthsc-green);
  color: #fff;
}

/* Results action buttons — subnav-pill style */
.results-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.45rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
}

.results-action-btn i {
  font-size: 0.85rem;
}

.results-action-btn-primary {
  background: var(--uthsc-green);
  color: #fff;
}

.results-action-btn-primary:hover {
  background: var(--uthsc-green-light);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(17, 87, 64, 0.2);
}

.results-action-btn-secondary {
  background: rgba(17, 87, 64, 0.06);
  color: var(--uthsc-green);
  border-color: rgba(17, 87, 64, 0.12);
}

.results-action-btn-secondary:hover {
  background: rgba(17, 87, 64, 0.1);
  color: var(--uthsc-green);
  transform: translateY(-1px);
}

html[data-theme="dark"] .results-action-btn-primary {
  background: var(--uthsc-green);
  color: #fff;
}

html[data-theme="dark"] .results-action-btn-primary:hover {
  background: var(--uthsc-green-light);
}

html[data-theme="dark"] .results-action-btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  border-color: rgba(255, 255, 255, 0.08);
}

html[data-theme="dark"] .results-action-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

/* AJCC table dark mode — override all inline background-colors */
html[data-theme="dark"] #ajccInlineTable td,
html[data-theme="dark"] #ajccTable td {
  background-color: transparent !important;
  color: var(--text-secondary) !important;
}

/* Re-apply subtle dark-adapted tier tints */
html[data-theme="dark"] #ajccInlineTable tbody td[style*="#ffffff"],
html[data-theme="dark"] #ajccTable tbody td[style*="#ffffff"] {
  background-color: rgba(255, 255, 255, 0.03) !important;
}

html[data-theme="dark"] #ajccInlineTable tbody td[style*="#ffe5d5"],
html[data-theme="dark"] #ajccTable tbody td[style*="#ffe5d5"] {
  background-color: rgba(255, 180, 130, 0.06) !important;
}

html[data-theme="dark"] #ajccInlineTable tbody td[style*="#ffbca3"],
html[data-theme="dark"] #ajccTable tbody td[style*="#ffbca3"] {
  background-color: rgba(255, 150, 100, 0.1) !important;
}

html[data-theme="dark"] #ajccInlineTable tbody td[style*="#ff8200"],
html[data-theme="dark"] #ajccTable tbody td[style*="#ff8200"] {
  background-color: rgba(255, 130, 0, 0.15) !important;
}

/* SHAP waterfall SVG — invert for dark mode */
html[data-theme="dark"] .shap-plot {
  filter: invert(0.88) hue-rotate(180deg);
  border-radius: 8px;
}

/* Smooth theme transition */
html.theme-transition,
html.theme-transition *,
html.theme-transition *::before,
html.theme-transition *::after {
  transition: background 0.4s ease, color 0.3s ease, border-color 0.3s ease,
              box-shadow 0.3s ease, background-color 0.4s ease !important;
}

/* ========================
   GLOBAL
   ======================== */
html {
  scroll-behavior: smooth;
  background-color: #115740;
}

html {
  height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
}

body {
  background-color: #eef3f0;
  background-image: linear-gradient(145deg, #f7faf8 0%, #eef3f0 50%, #faf8f5 100%);
  background-attachment: fixed;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(17, 87, 64, 0.025) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
  z-index: -1;
}


#main-content {
  flex: 1 0 auto;
}

h1, h3 { color: var(--text-primary); }

/* ========================
   ACCESSIBILITY
   ======================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================
   BRAND BUTTONS
   ======================== */
.btn-primary {
  background-color: var(--uthsc-orange) !important;
  border-color: var(--uthsc-orange) !important;
  transition: all var(--transition) !important;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--uthsc-orange-light) !important;
  border-color: var(--uthsc-orange-light) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(255, 130, 0, 0.3);
}

.btn-outline-success {
  transition: all var(--transition);
}

.btn-outline-success:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(17, 87, 64, 0.2);
}

.btn-light {
  transition: all var(--transition) !important;
}

.btn-light:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* ========================
   NAVBAR
   ======================== */
#uthsc-navbar {
  background: linear-gradient(135deg, var(--uthsc-green) 0%, #0d4632 100%) !important;
  padding: 0.5rem 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

#uthsc-navbar .navbar-brand {
  text-decoration: none;
  padding: 0;
  margin-right: 1rem;
  flex: 1;
  min-width: 0;
}

#uthsc-navbar .container {
  display: flex;
  align-items: center;
}

.navbar-logo {
  height: clamp(35px, 8vw, 55px);
  margin-right: 0.75rem;
  flex-shrink: 0;
}

.navbar-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.navbar-brand-name {
  font-family: "Goudy Old Style", serif;
  font-weight: 900;
  font-size: clamp(1.1rem, 3.5vw, 1.6rem);
  color: #fff;
  letter-spacing: 0.04em;
}

.navbar-brand-text {
  min-width: 0;
}

.navbar-brand-sub {
  font-size: clamp(0.5rem, 2.2vw, 0.85rem);
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.01em;
  margin-top: 2px;
  white-space: nowrap;
}

.navbar-brand-tagline {
  font-size: clamp(0.45rem, 1.9vw, 0.75rem);
  font-style: italic;
  color: rgba(255, 255, 255, 0.45);
  white-space: nowrap;
}

#uthsc-navbar .navbar-nav {
  display: flex !important;
  align-items: center !important;
}

#uthsc-navbar .nav-item {
  display: flex !important;
  align-items: center !important;
  margin: 0 !important;
  padding: 0 !important;
}

#uthsc-navbar .nav-link,
#uthsc-navbar .dropdown-toggle {
  display: flex !important;
  align-items: center !important;
  justify-content: center;
  font-size: 0.95rem !important;
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  color: rgba(255, 255, 255, 0.75) !important;
  border-radius: 0 !important;
  line-height: 1 !important;
  margin: 0 !important;
  padding: 0.6rem 0.9rem !important;
  transition: color var(--transition), background var(--transition);
  position: relative;
}

#uthsc-navbar .nav-link:hover {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.08) !important;
}

#uthsc-navbar .nav-link.active,
#uthsc-navbar .dropdown.show > .dropdown-toggle {
  font-size: 0.95rem !important;
  color: #fff !important;
  background: rgba(255, 255, 255, 0.08) !important;
}

#uthsc-navbar .nav-link.active::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50%;
  height: 2px;
  background: var(--uthsc-orange);
  border-radius: 1px;
}

#uthsc-navbar .dropdown-toggle:focus,
#uthsc-navbar .dropdown-toggle:active,
#uthsc-navbar .dropdown-toggle.show {
  background: rgba(255, 255, 255, 0.08) !important;
  border: none !important;
  box-shadow: none !important;
  color: #fff !important;
}

#uthsc-navbar li,
#uthsc-navbar ul {
  margin: 0 !important;
  padding: 0 !important;
}

/* language dropdown */
.lang-dropdown {
  position: relative;
}

.lang-trigger {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.78rem;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  transition: var(--transition);
}

.lang-trigger:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.lang-trigger .bi-globe2 {
  font-size: 0.85rem;
}

.lang-chevron {
  font-size: 0.6rem;
  transition: transform 0.2s ease;
}

.lang-dropdown.open .lang-chevron {
  transform: rotate(180deg);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 0.35rem;
  display: none;
  min-width: 140px;
  z-index: 1050;
}

.lang-dropdown.open .lang-menu {
  display: flex;
  flex-direction: column;
}

.lang-option {
  font-size: 0.8rem;
  color: var(--uthsc-green);
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  transition: var(--transition);
}

.lang-option:hover {
  background: rgba(17, 87, 64, 0.06);
  color: var(--uthsc-green);
}

.lang-option.active {
  background: var(--uthsc-green);
  color: #fff;
}

@media (max-width: 576px) {
  .navbar-logo {
    height: 38px;
  }
  .navbar-brand-name {
    font-size: 1.4rem;
  }
  .navbar-brand-sub,
  .navbar-brand-tagline {
    display: none;
  }
  .lang-current {
    display: none;
  }
  .lang-trigger {
    padding: 0.3rem 0.5rem;
  }
  .subnav-link {
    font-size: 0.85rem;
    padding: 0.4rem 0.6rem;
  }
}

/* ========================
   FOOTER
   ======================== */
#uthsc-footer {
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--uthsc-green) 0%, #0d4632 100%);
  color: white;
  text-align: center;
  padding: 1rem 0;
  width: 100%;
}

/* ========================
   SUB-NAV (About pages)
   ======================== */
.subnav {
  background: #fff;
  border-bottom: 1px solid rgba(17, 87, 64, 0.08);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
  margin-bottom: 1rem;
}

.subnav-links {
  display: flex;
  gap: 0.25rem;
  padding: 0.5rem 0;
}

@media (max-width: 480px) {
  .subnav .container {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
  .subnav-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.3rem;
    text-align: center;
    padding: 0.4rem 0;
  }
  .subnav-link {
    justify-content: center;
    display: flex;
    align-items: center;
    padding: 0.5rem 0.2rem;
    font-size: 0.82rem;
    width: 100%;
    box-sizing: border-box;
  }
  .js-plotly-plot, .plotly {
    max-height: 300px;
  }
}

.subnav-link {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--uthsc-green);
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  white-space: nowrap;
  transition: var(--transition);
}

.subnav-link:hover {
  background: rgba(17, 87, 64, 0.06);
  color: var(--uthsc-green);
}

.subnav-link.active {
  background: var(--uthsc-green);
  color: #fff;
}

/* ========================
   HEADER / LOGO (legacy)
   ======================== */
.humble-header {
  color: var(--uthsc-green);
  font-family: "Goudy Old Style", serif;
  font-weight: 900;
  display: flex;
  justify-content: left;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.humble-logo {
  height: 100px;
  display: inline-block;
  margin-right: 10px;
}

.my-lead {
  font-size: 0.7rem !important;
}

/* ========================
   GRADIENT DIVIDERS
   ======================== */
hr {
  border: none;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(17, 87, 64, 0.25) 25%,
    rgba(255, 130, 0, 0.25) 75%,
    transparent 100%
  );
  margin: 1.5rem 0;
}

/* ========================
   CARDS — GLASSMORPHISM
   ======================== */
.card,
.plot-card {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius) !important;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-md);
}

.card:hover,
.plot-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Prevent hover lift on cards inside modals */
.modal .card:hover,
.modal .plot-card:hover {
  transform: none;
  box-shadow: var(--shadow-md);
}

/* ========================
   SCROLL REVEAL
   ======================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ========================
   RISK BADGE
   ======================== */
.risk-badge {
  opacity: 0;
  transform: scale(0.92);
  animation: riskReveal 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.15s forwards;
  border-radius: var(--radius) !important;
}

@keyframes riskReveal {
  to { opacity: 1; transform: scale(1); }
}

.risk-badge-pulse {
  animation: riskReveal 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.15s forwards,
             riskPulse 2.5s ease-in-out 0.8s infinite;
}

@keyframes riskPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.35); }
  50%      { box-shadow: 0 0 0 14px rgba(220, 53, 69, 0); }
}

/* ========================
   FORM STEPPER
   ======================== */
.stepper-nav {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  margin-bottom: 2rem;
  padding: 0 1rem;
}

.stepper-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 0 0 auto;
  z-index: 1;
}

.stepper-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #e8e8e8;
  color: #999;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
  position: relative;
}

.stepper-step.active .stepper-circle {
  background: var(--uthsc-green);
  color: #fff;
  border-color: var(--uthsc-green);
  box-shadow: 0 0 0 5px rgba(17, 87, 64, 0.12);
}

.stepper-step.completed .stepper-circle {
  background: var(--uthsc-green);
  color: #fff;
  border-color: var(--uthsc-green);
}

.stepper-label {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: #aaa;
  font-weight: 500;
  text-align: center;
  transition: color var(--transition);
  white-space: nowrap;
}

.stepper-step.active .stepper-label,
.stepper-step.completed .stepper-label {
  color: var(--uthsc-green);
  font-weight: 600;
}

.stepper-line {
  flex: 1;
  height: 2px;
  background: #e0e0e0;
  margin-top: 21px;
  min-width: 30px;
  transition: background 0.4s ease;
}

.stepper-line.active {
  background: var(--uthsc-green);
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
  animation: stepFade 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.form-step.step-forward {
  animation: stepForward 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.form-step.step-backward {
  animation: stepBackward 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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

@keyframes stepForward {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes stepBackward {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.stepper-buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  padding-top: 1rem;
}

/* ========================
   SKELETON LOADING
   ======================== */
.skeleton-wrapper {
  margin-top: 1.5rem;
}

.skeleton-stage {
  text-align: center;
  margin-bottom: 1.25rem;
}

.skeleton-stage-text {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--uthsc-green);
  letter-spacing: 0.02em;
  opacity: 0;
  animation: skeletonFadeIn 0.4s ease forwards;
}

#skeletonStageLabel {
  transition: opacity 0.2s ease;
}

.skeleton-stage-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--uthsc-green);
  animation: skeletonDotPulse 1.2s ease-in-out infinite;
}

@keyframes skeletonDotPulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.3); }
}

.skeleton-card {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow-md);
  padding: 1.25rem;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px);
  animation: skeletonCardIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.skeleton-card:hover {
  transform: translateY(16px); /* suppress hover lift during loading */
}

@keyframes skeletonCardIn {
  to { opacity: 1; transform: translateY(0); }
}

.skel-bar {
  border-radius: 6px;
  background: linear-gradient(
    90deg,
    rgba(17, 87, 64, 0.06) 0%,
    rgba(17, 87, 64, 0.12) 40%,
    rgba(17, 87, 64, 0.06) 80%
  );
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skel-title {
  width: 55%;
  height: 20px;
  margin-bottom: 0.6rem;
}

.skel-subtitle {
  width: 70%;
  height: 12px;
  margin-bottom: 1rem;
}

.skel-block {
  width: 100%;
  height: 180px;
  border-radius: 8px;
  margin-bottom: 0.75rem;
}

.skel-block-tall {
  height: 240px;
}

.skel-line {
  height: 10px;
  margin-bottom: 0.5rem;
}

.skel-line-short { width: 40%; }
.skel-line-med   { width: 65%; }
.skel-line-long  { width: 85%; }

.skel-pill {
  display: inline-block;
  width: 120px;
  height: 28px;
  border-radius: 20px;
}

/* Staggered card entrance */
.skeleton-delay-1 { animation-delay: 0.05s; }
.skeleton-delay-2 { animation-delay: 0.1s; }
.skeleton-delay-3 { animation-delay: 0.18s; }
.skeleton-delay-4 { animation-delay: 0.25s; }
.skeleton-delay-5 { animation-delay: 0.32s; }
.skeleton-delay-6 { animation-delay: 0.38s; }

/* Crossfade out */
.skeleton-wrapper.skeleton-exit {
  animation: skeletonFadeOut 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes skeletonFadeOut {
  to { opacity: 0; transform: translateY(-8px); }
}

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

/* Results crossfade in (used after skeleton removal) */
.results-crossfade-in {
  animation: resultsCrossfade 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes resultsCrossfade {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .skel-block { height: 140px; }
  .skel-block-tall { height: 180px; }
}

/* ========================
   FEEDBACK WIDGET
   ======================== */
/* ---- Feedback: morphing container ---- */
.feedback-widget {
  position: fixed;
  bottom: 5.5rem;
  right: 2rem;
  z-index: 1050;
  /* Pill-sized by default */
  width: auto;
  height: auto;
}

/* Shared shell — the element that actually morphs */
.feedback-shell {
  position: relative;
  background: var(--uthsc-green);
  border-radius: 24px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  cursor: pointer;
  /* Smooth morph transitions */
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              border-radius 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              background 0.35s ease,
              box-shadow 0.3s ease;
  /* Pill dimensions */
  width: 138px;
  height: 40px;
  /* Entrance animation */
  opacity: 0;
  transform: translateY(12px);
  animation: feedbackEntrance 0.5s 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.feedback-shell:hover {
  box-shadow: var(--shadow-lg);
}

/* ---- Pill label (visible when closed) ---- */
.feedback-pill-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}

.feedback-pill-label i { font-size: 1rem; }

/* ---- Expanded panel ---- */
.feedback-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 320px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease 0.1s;
}

.feedback-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.feedback-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.feedback-close:hover {
  background: var(--chip-bg);
  color: var(--text-primary);
}

.feedback-panel-body {
  padding: 0.85rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.feedback-textarea {
  width: 100%;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--form-bg);
  color: var(--text-primary);
  padding: 0.6rem 0.75rem;
  font-size: 16px;
  font-family: inherit;
  resize: vertical;
  min-height: 80px;
  transition: var(--transition);
}

.feedback-textarea:focus {
  outline: none;
  border-color: var(--uthsc-green);
  box-shadow: 0 0 0 3px rgba(17, 87, 64, 0.12);
  background: var(--surface);
}

.feedback-textarea::placeholder {
  color: var(--text-faint);
}

.feedback-submit {
  align-self: flex-end;
  padding: 0.45rem 1.2rem;
  border: none;
  border-radius: 8px;
  background: var(--uthsc-green);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  min-width: 80px;
}

.feedback-submit-spinner {
  display: none;
}

.feedback-submit.loading .feedback-submit-label {
  visibility: hidden;
}

.feedback-submit.loading .feedback-submit-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  inset: 0;
  animation: feedbackSpin 0.7s linear infinite;
}

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

.feedback-submit:hover:not(:disabled) {
  background: var(--uthsc-green-light);
  box-shadow: var(--shadow-sm);
}

.feedback-submit:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* ---- OPEN state: shell morphs to panel size ---- */
.feedback-widget.open .feedback-shell {
  width: 320px;
  height: 240px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  cursor: default;
}

.feedback-widget.open .feedback-pill-label {
  opacity: 0;
  transform: scale(0.8);
}

.feedback-widget.open .feedback-panel {
  opacity: 1;
  pointer-events: auto;
  transition-delay: 0.15s;
}

/* ---- Success state ---- */
.feedback-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  gap: 0.75rem;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.feedback-widget.submitted .feedback-panel-body {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
}

.feedback-widget.submitted .feedback-panel-header {
  opacity: 0;
  transition: opacity 0.2s ease;
}

.feedback-widget.submitted .feedback-success {
  opacity: 1;
  transform: scale(1);
  transition-delay: 0.1s;
}

.feedback-success-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--uthsc-green);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.feedback-widget.submitted .feedback-success-icon {
  animation: feedbackPop 0.4s 0.15s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes feedbackPop {
  0% { transform: scale(0); }
  100% { transform: scale(1); }
}

.feedback-success-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ---- Collapsing back: success → pill ---- */
.feedback-widget.collapsing .feedback-shell {
  width: 138px;
  height: 40px;
  border-radius: 24px;
  background: var(--uthsc-green);
  border-color: transparent;
}

.feedback-widget.collapsing .feedback-panel {
  opacity: 0;
  pointer-events: none;
  transition-delay: 0s;
}

.feedback-widget.collapsing .feedback-success {
  opacity: 0;
  transform: scale(0.6);
  transition-delay: 0s;
}

.feedback-widget.collapsing .feedback-pill-label {
  opacity: 1;
  transform: scale(1);
  transition-delay: 0.25s;
}

@keyframes feedbackEntrance {
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Dark mode ---- */
html[data-theme="dark"] .feedback-widget.open .feedback-shell {
  background: var(--surface);
  border-color: var(--border-light);
}

/* ---- Mobile ---- */
@media (max-width: 480px) {
  .feedback-widget {
    right: 1rem;
    bottom: 5rem;
  }
  .feedback-widget.open .feedback-shell {
    width: calc(100vw - 2rem);
  }
  .feedback-panel {
    width: calc(100vw - 2rem);
  }
}

/* ========================
   BACK TO TOP
   ======================== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--uthsc-green);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  transition: all var(--transition);
  z-index: 990;
  box-shadow: var(--shadow-md);
  pointer-events: none;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--uthsc-green-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ========================
   TOAST
   ======================== */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  pointer-events: none;
}

.toast-custom {
  background: rgba(28, 28, 28, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 0.75rem 1.25rem;
  font-size: 0.88rem;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  pointer-events: auto;
  margin-top: 0.5rem;
}

.toast-custom.toast-error {
  border-left: 3px solid #dc3545;
}

.toast-custom.toast-success {
  border-left: 3px solid var(--uthsc-green);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  to { opacity: 0; transform: translateY(12px); }
}

/* ========================
   NUMBER COUNTER
   ======================== */
.counter-value {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ========================
   MODALS
   ======================== */
.modal-content {
  border-radius: var(--radius) !important;
  border: none !important;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  border-radius: 0;
  background-color: var(--uthsc-green);
  color: white;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: 1rem;
  border-bottom: none !important;
}

.modal-title {
  text-align: left;
  margin: 0;
  flex-grow: 1;
}

.modal-footer {
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
  padding: 1rem;
}

/* ========================
   FORM INPUTS
   ======================== */
.form-control {
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  transition: all var(--transition);
  background: rgba(255, 255, 255, 0.8);
}

.form-control:focus {
  border-color: var(--uthsc-green);
  box-shadow: 0 0 0 3px rgba(17, 87, 64, 0.1);
  background: #fff;
}

.form-control[readonly] {
  background: rgba(245, 245, 245, 0.8);
}

.form-select {
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  transition: all var(--transition);
}

.form-select:focus {
  border-color: var(--uthsc-green);
  box-shadow: 0 0 0 3px rgba(17, 87, 64, 0.1);
}

.form-check-input {
  transition: all var(--transition);
}

.form-check-input:checked {
  background-color: var(--uthsc-green);
  border-color: var(--uthsc-green);
}

.form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(17, 87, 64, 0.15);
  border-color: var(--uthsc-green);
}

/* Hide native number input spinners */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* ========================
   SHAP PLOT
   ======================== */
.shap-plot {
  max-width: 1300px;
  width: 100%;
  height: auto;
  font-size: 16px;
}

/* ========================
   STAGING TABLE
   ======================== */
table.table-borderless {
  border: none;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 8px;
  overflow: hidden;
}

table.table-borderless th,
table.table-borderless td {
  border: 0 !important;
}

table.table-borderless tr:not(:last-child) th,
table.table-borderless tr:not(:last-child) td {
  border-bottom: 1px solid #ffffff !important;
}

table.table-borderless th:not(:last-child),
table.table-borderless td:not(:last-child) {
  border-right: 1px solid #ffffff !important;
}

@media (max-width: 520px) {
  table.table-borderless th,
  table.table-borderless td {
    font-size: 0.7rem;
    padding: 0.25rem;
  }
}

/* ========================
   RESPONSIVE
   ======================== */
@media (max-width: 768px) {
  .stepper-label { font-size: 0.65rem; }
  .stepper-circle { width: 36px; height: 36px; font-size: 0.8rem; }
  .stepper-line { margin-top: 18px; }
  .loading-progress-track { width: 200px; }
}

/* ========================
   NAVBAR BRAND
   ======================== */
.navbar-brand-logo {
  height: 36px;
  width: 36px;
  object-fit: contain;
  border-radius: 50%;
  margin-right: 0.5rem;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.15);
  transition: transform var(--transition), box-shadow var(--transition);
}

.navbar-brand-logo:hover {
  transform: scale(1.08);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.25);
}

/* ========================
   TEAM CARDS
   ======================== */
.team-card {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius) !important;
  border-left: 3px solid var(--uthsc-green) !important;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}

.team-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.team-card .card-title {
  color: var(--uthsc-green);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.team-card .list-unstyled li {
  padding: 0.3rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  font-size: 0.9rem;
  color: #444;
}

.team-card .list-unstyled li:last-child {
  border-bottom: none;
}

/* Acknowledgement cards use orange accent */
.team-card.team-card-ack {
  border-left-color: var(--uthsc-orange) !important;
}

.team-card.team-card-ack .card-title {
  color: var(--uthsc-orange);
}

/* ========================
   FOOTER — ENHANCED
   ======================== */
#uthsc-footer {
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--uthsc-green) 0%, #0d4632 100%);
  color: white;
  text-align: center;
  padding: 1.5rem 0 1rem;
  width: 100%;
  border-top: 2px solid var(--uthsc-orange);
}

#uthsc-footer a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color var(--transition);
}

#uthsc-footer a:hover {
  color: #fff;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-divider {
  width: 60px;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  margin: 0.6rem auto;
}

/* ========================
   FORM SECTION HEADERS
   ======================== */
.form-section-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid rgba(17, 87, 64, 0.1);
}

.form-section-header h6 {
  margin: 0;
  color: var(--uthsc-green);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

.form-section-header i {
  color: var(--uthsc-green);
  font-size: 0.9rem;
  opacity: 0.7;
}

/* ========================
   METRIC BADGES (About page)
   ======================== */
.metric-value {
  display: inline-block;
  background: linear-gradient(135deg, rgba(17, 87, 64, 0.08), rgba(17, 87, 64, 0.04));
  border: 1px solid rgba(17, 87, 64, 0.12);
  border-radius: 6px;
  padding: 0.15rem 0.5rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--uthsc-green);
}
.metric-value-orange {
  display: inline-block;
  background: linear-gradient(135deg, rgba(185, 71, 0, 0.08), rgba(185, 71, 0, 0.04));
  border: 1px solid rgba(185, 71, 0, 0.12);
  border-radius: 6px;
  padding: 0.15rem 0.5rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--uthsc-orange);
}

/* ========================
   REFERENCE CARDS
   ======================== */
.ref-card a {
  color: var(--uthsc-green);
  font-weight: 500;
  transition: color var(--transition);
}

.ref-card a:hover {
  color: var(--uthsc-orange);
}

/* ========================
   BCVA CUSTOM DROPDOWN
   ======================== */
.bcva-dropdown {
  position: relative;
}

.bcva-trigger {
  cursor: pointer;
  user-select: none;
}

.bcva-trigger-text {
  color: #888;
  font-size: 1rem;
}

.bcva-trigger.has-value .bcva-trigger-text {
  color: #212529;
  font-weight: 500;
}

.bcva-trigger .bi-chevron-down {
  transition: transform 0.2s ease;
}

.bcva-dropdown.open .bcva-trigger .bi-chevron-down {
  transform: rotate(180deg);
}

.bcva-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 1050;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 0;
  margin-top: 4px;
  min-width: 220px;
  max-width: 280px;
  animation: bcvaOpen 0.2s ease;
}

.bcva-menu.open {
  display: block;
}

@keyframes bcvaOpen {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.bcva-header-row {
  display: flex;
  justify-content: space-between;
  padding: 0.45rem 0.75rem;
  border-bottom: 1.5px solid rgba(17, 87, 64, 0.15);
  background: rgba(17, 87, 64, 0.04);
  border-radius: var(--radius) var(--radius) 0 0;
}

.bcva-hdr {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--uthsc-green);
}

.bcva-list {
  max-height: 260px;
  overflow-y: auto;
  padding: 0.35rem;
}

.bcva-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.bcva-option:hover {
  background: rgba(17, 87, 64, 0.06);
}

.bcva-option.selected {
  background: var(--uthsc-green);
  color: #fff;
}

.bcva-option.selected .bcva-logmar,
.bcva-option.selected .bcva-snellen {
  color: #fff;
}

.bcva-logmar {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--uthsc-green);
}

.bcva-snellen {
  font-size: 0.78rem;
  color: #888;
}

/* ========================
   TIME HORIZON CUSTOM DROPDOWN
   ======================== */
.th-dropdown {
  position: relative;
}

.th-trigger {
  cursor: pointer;
  user-select: none;
}

.th-trigger-text {
  font-size: 0.9rem;
  font-weight: 500;
}

.th-trigger .bi-chevron-down {
  transition: transform 0.2s ease;
}

.th-dropdown.open .th-trigger .bi-chevron-down {
  transform: rotate(180deg);
}

.th-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 1050;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 0.35rem;
  margin-top: 4px;
  animation: bcvaOpen 0.2s ease;
}

.th-menu.open {
  display: flex;
  flex-direction: column;
}

.th-option {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--uthsc-green);
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.th-option:hover {
  background: rgba(17, 87, 64, 0.06);
}

.th-option.active {
  background: var(--uthsc-green);
  color: #fff;
}

html[data-theme="dark"] .th-menu {
  background: var(--surface);
  border-color: var(--border-light);
}

html[data-theme="dark"] .th-option {
  color: var(--uthsc-green-light);
}

html[data-theme="dark"] .th-option:hover {
  background: rgba(17, 87, 64, 0.12);
}

html[data-theme="dark"] .th-option.active {
  background: var(--uthsc-green);
  color: #fff;
}

/* BCVA trigger inherits .form-control dark styles; just override text colors */
html[data-theme="dark"] .bcva-trigger-text {
  color: var(--text-muted) !important;
}

html[data-theme="dark"] .bcva-trigger.has-value .bcva-trigger-text {
  color: var(--text-primary) !important;
}

/* ========================
   PATIENT SUMMARY (collapsed form)
   ======================== */
.patient-summary {
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, rgba(17, 87, 64, 0.03), rgba(17, 87, 64, 0.01));
  border-top: 1px solid rgba(17, 87, 64, 0.08);
  cursor: pointer;
}

.patient-summary-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}

.value-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  font-size: 0.78rem;
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: background var(--transition);
}

.value-chip:hover {
  background: rgba(0, 0, 0, 0.07);
}

.value-chip-label {
  color: #666;
  font-weight: 500;
}

.value-chip-value {
  color: #222;
  font-weight: 600;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.76rem;
}

.value-chip-accent {
  background: rgba(17, 87, 64, 0.08);
  border-color: rgba(17, 87, 64, 0.15);
}

.value-chip-accent .value-chip-value {
  color: var(--uthsc-green);
}

.value-chip-yes {
  background: rgba(25, 135, 84, 0.08);
  border-color: rgba(25, 135, 84, 0.15);
}

.value-chip-yes .value-chip-value {
  color: #198754;
}

.value-chip-no {
  background: rgba(108, 117, 125, 0.06);
  border-color: rgba(108, 117, 125, 0.1);
}

.value-chip-no .value-chip-value {
  color: #6c757d;
}

/* ========================
   FORM COLLAPSE TRANSITION
   ======================== */
#formBody {
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s ease;
}

/* ========================
   RESULTS CONTAINER
   ======================== */
.results-container:not(:empty) {
  margin-top: 1.5rem;
}

/* ========================
   FIELD FLASH (demo pre-fill)
   ======================== */
.field-flash {
  animation: fieldFlash 0.8s ease;
}

@keyframes fieldFlash {
  0% { background-color: rgba(17, 87, 64, 0.15); }
  100% { background-color: transparent; }
}

/* ========================
   RESPONSIVE — SUMMARY
   ======================== */
@media (max-width: 576px) {
  .patient-summary-grid {
    gap: 0.3rem;
  }
  .value-chip {
    font-size: 0.72rem;
    padding: 0.2rem 0.45rem;
  }
}

/* ========================
   CREDITS / TEAM
   ======================== */
.credits-section {
  margin-bottom: 2.5rem;
}

.credits-heading {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(17, 87, 64, 0.45);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(17, 87, 64, 0.08);
}

.credits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem 2rem;
}

.credits-person {
  display: flex;
  flex-direction: column;
}

.credits-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--uthsc-green);
  line-height: 1.3;
}

.credits-role {
  font-size: 0.78rem;
  color: rgba(0, 0, 0, 0.45);
  margin-top: 0.15rem;
}

.credits-affiliation {
  font-size: 0.72rem;
  color: rgba(0, 0, 0, 0.35);
  margin-top: 0.1rem;
}

.credits-email {
  font-size: 0.72rem;
  color: var(--uthsc-orange);
  text-decoration: none;
  margin-top: 0.1rem;
}

.credits-email:hover {
  text-decoration: underline;
}

.credits-support {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.credits-support-group {
  display: flex;
  flex-direction: column;
}

.credits-support-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--uthsc-orange);
  margin-bottom: 0.25rem;
}

.credits-support-group p {
  font-size: 0.88rem;
  color: rgba(0, 0, 0, 0.6);
  margin: 0;
  line-height: 1.6;
}

.credits-support-group p strong {
  color: var(--uthsc-green);
}

@media (max-width: 768px) {
  .credits-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .credits-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* ========================
   FAQ ACCORDION
   ======================== */
.accordion-item {
  border-radius: var(--radius) !important;
  border: 1px solid var(--glass-border);
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.accordion-item:first-of-type,
.accordion-item:last-of-type {
  border-radius: var(--radius) !important;
}

.accordion-button {
  border-radius: var(--radius) !important;
}

.accordion-button:not(.collapsed) {
  background: rgba(17, 87, 64, 0.04);
  color: var(--uthsc-green);
  border-bottom-left-radius: 0 !important;
  border-bottom-right-radius: 0 !important;
}

/* ========================
   MANUSCRIPT NAV
   ======================== */
.manuscript-nav-buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.manuscript-nav-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(17, 87, 64, 0.1);
}

.manuscript-nav-top {
  margin-bottom: 1.5rem;
}

.manuscript-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--uthsc-green);
  text-decoration: none;
  transition: var(--transition);
}

.manuscript-nav-btn:hover {
  color: var(--uthsc-green-light);
}

.manuscript-nav-btn i {
  font-size: 1.1rem;
  transition: transform 0.2s ease;
  color: var(--uthsc-orange);
}

.manuscript-nav-current {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--uthsc-green);
  text-align: center;
  flex: 1;
}

.manuscript-nav-btn.nav-next {
  margin-left: auto;
}

.manuscript-nav-btn.nav-prev:hover i {
  transform: translateX(-3px);
}

.manuscript-nav-btn.nav-next:hover i {
  transform: translateX(3px);
}

/* mobile navbar brand */
@media (max-width: 576px) {
  .subnav-link {
    font-size: 0.78rem;
    padding: 0.4rem 0.4rem;
  }
  .manuscript-nav-current {
    font-size: 0.85rem;
  }
}

/* ================================================
   TABLE OF CONTENTS — Sticky sidebar + mobile
   ================================================ */

/* Desktop sticky sidebar */
.toc-sidebar {
  position: sticky;
  top: 110px;
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  padding: 1rem 0;
  border-right: 2px solid var(--border-subtle);
  padding-right: 1rem;
}

.toc-sidebar .toc-header {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0 0.75rem;
  margin-bottom: 0.75rem;
}

.toc-sidebar .toc-link {
  display: block;
  padding: 0.35rem 0.75rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -2px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  border-radius: 0 6px 6px 0;
  line-height: 1.4;
}

.toc-sidebar .toc-link:hover {
  color: var(--uthsc-green);
  background: rgba(17, 87, 64, 0.04);
}

.toc-sidebar .toc-link.active {
  color: var(--uthsc-green);
  border-left-color: var(--uthsc-green);
  font-weight: 600;
  background: rgba(17, 87, 64, 0.06);
}

.toc-sidebar .toc-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 0.5rem 0.75rem;
}

/* Scrollbar for long TOC */
.toc-sidebar::-webkit-scrollbar {
  width: 4px;
}
.toc-sidebar::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 4px;
}

/* Mobile TOC */
.toc-mobile-toggle {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--uthsc-green);
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}

.toc-mobile-toggle:hover {
  background: rgba(17, 87, 64, 0.04);
}

.toc-mobile-chevron {
  transition: transform 0.25s;
}

.toc-mobile-toggle[aria-expanded="true"] .toc-mobile-chevron {
  transform: rotate(180deg);
}

.toc-mobile-nav {
  display: flex;
  flex-direction: column;
  padding: 0.5rem 0;
  margin-top: 0.25rem;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.toc-mobile-nav .toc-link {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.toc-mobile-nav .toc-link:hover,
.toc-mobile-nav .toc-link.active {
  color: var(--uthsc-green);
  background: rgba(17, 87, 64, 0.06);
}

/* Dark mode overrides */
[data-theme="dark"] .toc-sidebar .toc-link:hover {
  background: rgba(26, 122, 90, 0.1);
}
[data-theme="dark"] .toc-sidebar .toc-link.active {
  background: rgba(26, 122, 90, 0.15);
  color: var(--uthsc-green-light);
  border-left-color: var(--uthsc-green-light);
}
[data-theme="dark"] .toc-mobile-toggle {
  background: var(--surface);
  border-color: var(--border-light);
  color: var(--uthsc-green-light);
}
[data-theme="dark"] .toc-mobile-nav {
  background: var(--surface);
  border-color: var(--border-light);
}
[data-theme="dark"] .toc-mobile-nav .toc-link:hover,
[data-theme="dark"] .toc-mobile-nav .toc-link.active {
  background: rgba(26, 122, 90, 0.12);
  color: var(--uthsc-green-light);
}

/* Nested TOC sub-items */
.toc-sidebar .toc-link.toc-sub {
  padding-left: 1.5rem;
  font-size: 0.78rem;
}
.toc-mobile-nav .toc-link.toc-sub {
  padding-left: 2rem;
  font-size: 0.82rem;
}

/* ================================================
   ABOUT PAGE — EDITORIAL REDESIGN
   ================================================ */
.about-page {
  --about-surface: rgba(255, 255, 255, 0.78);
  --about-surface-strong: rgba(255, 255, 255, 0.92);
  --about-border: rgba(17, 87, 64, 0.12);
  --about-border-strong: rgba(17, 87, 64, 0.2);
  --about-ink: #163327;
  --about-copy: #30483d;
  --about-muted: #5d7067;
  --about-soft: rgba(17, 87, 64, 0.08);
  --about-warm: rgba(255, 130, 0, 0.12);
  --about-shadow: 0 24px 60px rgba(12, 38, 29, 0.12);
  font-family: "Source Sans 3", system-ui, sans-serif;
  color: var(--about-copy);
  padding-bottom: 1rem;
}

.about-page h1,
.about-page h2,
.about-page h3,
.about-page h4,
.about-page h5,
.about-page h6 {
  font-family: "Fraunces", Georgia, serif;
  color: var(--about-ink);
  letter-spacing: -0.02em;
}

.about-page p,
.about-page li {
  color: var(--about-copy);
}

.about-page a {
  color: var(--uthsc-green);
}

.about-page a:hover {
  color: var(--uthsc-orange);
}

.about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.6rem, 3vw, 2.35rem);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(17, 87, 64, 0.12);
  box-shadow: 0 32px 80px rgba(12, 38, 29, 0.14);
  margin-bottom: 1.5rem;
  scroll-margin-top: 110px;
}

.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(17, 87, 64, 0.08) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.3;
  pointer-events: none;
}

.about-hero::after {
  content: "";
  position: absolute;
  right: -100px;
  top: -110px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 130, 0, 0.18), rgba(255, 130, 0, 0));
  pointer-events: none;
}

.about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.about-kicker {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--uthsc-green);
  margin-bottom: 0.7rem;
}

.about-display {
  font-size: clamp(2.65rem, 6vw, 4.7rem);
  line-height: 0.98;
  margin: 0 0 0.9rem;
  max-width: 12ch;
}

.about-hero-lead {
  font-size: clamp(1.05rem, 2vw, 1.26rem);
  line-height: 1.55;
  color: var(--about-muted);
  max-width: 72ch;
  margin-bottom: 1.25rem;
}

.about-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

.about-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(255, 255, 255, 0.78);
  color: var(--about-ink);
  font-size: 0.92rem;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(12, 38, 29, 0.08);
}

.about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.about-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 46px;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--uthsc-green), #0f4734);
  color: #fff !important;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 14px 26px rgba(17, 87, 64, 0.22);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.about-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 32px rgba(17, 87, 64, 0.26);
}

.about-btn-secondary {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(17, 87, 64, 0.14);
  color: var(--uthsc-green) !important;
  box-shadow: 0 12px 24px rgba(12, 38, 29, 0.08);
}

.about-note-card {
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 22px;
  padding: 1.35rem;
  box-shadow: 0 18px 40px rgba(12, 38, 29, 0.09);
  width: 100%;
  margin-top: 1rem;
}

.about-note-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--about-muted);
  margin-bottom: 0.65rem;
}

.about-note-title {
  font-size: 1.45rem;
  line-height: 1.12;
  margin-bottom: 0.9rem;
}

.about-note-list {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.55rem;
}

.about-boundary {
  padding: 1rem;
  border-radius: 16px;
  background: rgba(17, 87, 64, 0.05);
  border: 1px solid rgba(17, 87, 64, 0.12);
}

.about-boundary h3 {
  font-size: 0.98rem;
  margin-bottom: 0.35rem;
}

.about-question-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.6rem;
}

.about-question-card {
  position: relative;
  overflow: hidden;
  background: var(--about-surface);
  border: 1px solid var(--about-border);
  border-radius: 20px;
  padding: 1.15rem;
  box-shadow: var(--about-shadow);
}

.about-question-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, rgba(17, 87, 64, 0.84), rgba(255, 130, 0, 0.7));
}

.about-question-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(17, 87, 64, 0.08);
  color: var(--uthsc-green);
  font-size: 1.15rem;
  margin-bottom: 0.8rem;
}

.about-question-card h2 {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--about-muted);
  margin-bottom: 0.45rem;
}

.about-question-title {
  font-size: 1.14rem;
  font-weight: 700;
  color: var(--about-ink);
  margin-bottom: 0.5rem;
}

.about-page .toc-sidebar {
  position: sticky;
  top: 110px;
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  padding: 1rem 0.6rem;
  border: 1px solid var(--about-border);
  border-radius: 20px;
  background: var(--about-surface);
  box-shadow: var(--about-shadow);
}

.about-page .toc-sidebar .toc-header {
  padding: 0 0.75rem 0.3rem;
}

.about-page .toc-sidebar .toc-link {
  color: var(--about-muted);
  font-weight: 600;
  border-left-width: 3px;
}

.about-page .toc-sidebar .toc-link.toc-sub {
  font-weight: 500;
  color: #70837a;
}

.about-page .toc-sidebar .toc-link:hover,
.about-page .toc-mobile-nav .toc-link:hover {
  background: rgba(17, 87, 64, 0.06);
  color: var(--about-ink);
}

.about-page .toc-sidebar .toc-link.active,
.about-page .toc-mobile-nav .toc-link.active {
  color: var(--uthsc-green);
  border-left-color: var(--uthsc-green);
  background: rgba(17, 87, 64, 0.08);
}

.about-page .toc-mobile-toggle,
.about-page .toc-mobile-nav {
  background: var(--about-surface-strong);
  border-color: var(--about-border);
  box-shadow: var(--about-shadow);
}

.about-page .toc-mobile {
  position: sticky;
  top: 0;
  z-index: 1030;
  padding: 0.35rem 0 0;
  background: transparent;
  border-bottom: 0;
  box-shadow: none;
}

.about-page .toc-mobile-toggle {
  background: #f6f8f6;
  border: 1px solid var(--about-border);
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(12, 38, 29, 0.12);
}

.about-page .toc-mobile.toc-mobile-open .toc-mobile-toggle {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom-color: transparent;
  box-shadow: 0 10px 24px rgba(12, 38, 29, 0.12);
}

.about-page .toc-mobile .collapse {
  position: absolute;
  top: calc(100% - 1px);
  left: 0;
  right: 0;
  z-index: 1031;
}

.about-page .toc-mobile .collapsing {
  position: absolute;
  top: calc(100% - 1px);
  left: 0;
  right: 0;
  z-index: 1031;
}

.about-page .toc-mobile .collapse.show,
.about-page .toc-mobile .collapsing {
  background: #f6f8f6;
  border: 1px solid var(--about-border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  overflow: hidden;
  box-shadow: 0 16px 34px rgba(12, 38, 29, 0.14);
}

.about-page .toc-mobile .collapse.show .toc-mobile-nav,
.about-page .toc-mobile .collapsing .toc-mobile-nav {
  margin-top: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
}

.about-page .toc-mobile-toggle {
  color: var(--about-ink);
}

.about-page .toc-mobile-nav .toc-link {
  color: var(--about-muted);
  font-weight: 600;
}

.about-section {
  scroll-margin-top: 110px;
  padding-top: 0.35rem;
  margin-top: 1rem;
}

.about-section + .about-section {
  margin-top: 2rem;
}

.about-section-heading {
  margin-bottom: 1.35rem;
}

.about-section-index {
  display: inline-block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--uthsc-green);
  margin-bottom: 0.55rem;
}

.about-section-title {
  font-size: clamp(1.95rem, 4vw, 3rem);
  line-height: 1.04;
  margin: 0 0 0.65rem;
}

.about-section-lede {
  max-width: 72ch;
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--about-muted);
  margin: 0;
}

.about-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.about-stat-card,
.about-copy-card,
.about-model-card,
.about-note-tile,
.about-primer-card,
.about-performance-card,
.about-publication-card {
  background: var(--about-surface);
  border: 1px solid var(--about-border);
  border-radius: 20px;
  box-shadow: var(--about-shadow);
}

.about-stat-card {
  padding: 1.15rem;
}

.about-stat-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--about-muted);
  margin-bottom: 0.55rem;
}

.about-stat-value {
  font-family: "Fraunces", Georgia, serif;
  font-size: 2.2rem;
  line-height: 1;
  color: var(--about-ink);
}

.about-stat-note {
  margin: 0.5rem 0 0;
  color: var(--about-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.about-callout {
  margin-top: 1rem;
  padding: 1rem 1.15rem;
  border-radius: 18px;
  background: rgba(17, 87, 64, 0.05);
  border: 1px solid rgba(17, 87, 64, 0.14);
  box-shadow: 0 12px 28px rgba(12, 38, 29, 0.08);
}

.about-callout-soft {
  background: rgba(255, 255, 255, 0.88);
}

.about-copy-grid,
.about-model-grid,
.about-detail-grid,
.about-scoreboard {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.about-copy-grid {
  margin-top: 1rem;
}

.about-copy-grid + .row {
  margin-top: 0.6rem;
}

.about-copy-card {
  padding: 1.15rem;
}

.about-copy-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.55rem;
}

.about-model-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: 22px;
}

.about-model-card-rsf {
  background: rgba(255, 255, 255, 0.82);
}

.about-model-card-deephit {
  background: rgba(255, 255, 255, 0.82);
}

.about-model-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.about-model-badge-rsf {
  background: rgba(17, 87, 64, 0.12);
  color: var(--uthsc-green);
}

.about-model-badge-deephit {
  background: rgba(255, 130, 0, 0.16);
  color: #944900;
}

.about-model-head h3 {
  font-size: 1.45rem;
  margin: 0.6rem 0 0.45rem;
}

.about-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.about-chip {
  display: inline-flex;
  padding: 0.42rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(17, 87, 64, 0.12);
  font-size: 0.89rem;
  font-weight: 600;
  color: var(--about-ink);
}

.about-chip-accent {
  border-color: rgba(255, 130, 0, 0.24);
  background: rgba(255, 130, 0, 0.12);
}

.about-model-footer {
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(17, 87, 64, 0.1);
  font-size: 0.95rem;
  color: var(--about-muted);
}

.about-note-band,
.about-primer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.about-note-band {
  margin-top: 1rem;
}

.about-note-tile,
.about-primer-card {
  padding: 1rem;
}

.about-note-tile h3,
.about-primer-card h3 {
  font-size: 1.02rem;
  margin-bottom: 0.45rem;
}

.about-guidance-card {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(17, 87, 64, 0.12);
  box-shadow: var(--about-shadow);
  margin-bottom: 1rem;
}

.about-primer-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(17, 87, 64, 0.08);
  color: var(--uthsc-green);
  font-size: 1.08rem;
  margin-bottom: 0.75rem;
}

.about-primer-foot {
  margin-bottom: 0;
  color: var(--about-muted);
  font-size: 0.95rem;
}

.about-banner {
  position: relative;
  overflow: hidden;
  padding: 1.15rem 1.2rem;
  border-radius: 22px;
  border: 1px solid var(--about-border-strong);
  box-shadow: var(--about-shadow);
  margin-bottom: 1.1rem;
}

.about-banner::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 8px;
  border-radius: 22px 0 0 22px;
  background: var(--uthsc-green);
}

.about-banner-deephit::before {
  background: var(--uthsc-orange);
}

.about-banner-rsf {
  background: rgba(255, 255, 255, 0.9);
}

.about-banner-deephit {
  background: rgba(255, 255, 255, 0.9);
}

.about-banner-kicker,
.about-performance-kicker,
.about-figure-number,
.about-publication-type {
  font-family: "IBM Plex Mono", monospace;
}

.about-banner-kicker,
.about-performance-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--about-muted);
  margin-bottom: 0.5rem;
}

.about-banner h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  max-width: 34ch;
}

.about-inline-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.about-inline-fact {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 16px;
  padding: 0.85rem 0.95rem;
}

.about-inline-fact span {
  display: block;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--about-muted);
  margin-bottom: 0.35rem;
}

.about-inline-fact strong {
  color: var(--about-ink);
  font-size: 0.98rem;
  line-height: 1.35;
}

.about-detail {
  margin-bottom: 1.2rem;
  background: var(--about-surface);
  border: 1px solid var(--about-border);
  border-radius: 20px;
  box-shadow: var(--about-shadow);
  overflow: hidden;
  scroll-margin-top: 110px;
}

.about-detail > summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  font-weight: 700;
  color: var(--about-ink);
}

.about-detail > summary::-webkit-details-marker {
  display: none;
}

.about-detail > summary i {
  font-size: 0.95rem;
  color: var(--uthsc-green);
  transition: transform 0.2s ease;
}

.about-detail[open] > summary {
  background: rgba(17, 87, 64, 0.06);
}

.about-detail[open] > summary i {
  transform: rotate(45deg);
}

.about-detail-content {
  padding: 0 1.15rem 1.15rem;
}

.about-detail-card {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(17, 87, 64, 0.1);
  border-radius: 16px;
  padding: 1rem;
}

.about-detail-card h3 {
  font-size: 1.02rem;
  margin-bottom: 0.55rem;
}

.about-mini-list {
  margin: 0;
  padding-left: 1.05rem;
  display: grid;
  gap: 0.4rem;
}

.about-detail-note {
  color: var(--about-muted);
}

.about-scoreboard {
  margin-bottom: 1.2rem;
  scroll-margin-top: 110px;
}

.about-performance-card {
  padding: 1.15rem;
  border-radius: 22px;
}

.about-performance-card-accent {
  border-color: rgba(255, 130, 0, 0.18);
}

.about-performance-card-deephit {
  border-color: rgba(255, 130, 0, 0.2);
}

.about-performance-header {
  margin-bottom: 1rem;
}

.about-performance-header h3 {
  font-size: 1.35rem;
  margin-bottom: 0.3rem;
}

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

.about-performance-metric {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(17, 87, 64, 0.1);
  border-radius: 16px;
  padding: 0.85rem 0.9rem;
}

.about-performance-metric span {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--about-muted);
  margin-bottom: 0.3rem;
}

.about-performance-metric strong {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.08rem;
  color: var(--about-ink);
  overflow-wrap: anywhere;
}

.about-subsection {
  margin-top: 1.5rem;
  scroll-margin-top: 110px;
}

.about-subsection-heading {
  margin-bottom: 1rem;
}

.about-subsection-heading h3 {
  font-size: 1.45rem;
  margin-bottom: 0.4rem;
}

.about-subsection-heading p {
  color: var(--about-muted);
  margin-bottom: 0;
}

.about-figure {
  border-radius: 22px !important;
}

.about-figure .card-body {
  padding: 1.15rem;
}

.about-figure-header {
  margin-bottom: 0.9rem;
}

.about-figure-number {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--about-muted);
  margin-bottom: 0.35rem;
}

.about-figure-title {
  font-size: 1.22rem;
  margin-bottom: 0.4rem;
}

.about-figure-summary {
  margin: 0;
  color: var(--about-muted);
}

.about-plot-shell {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(246, 249, 247, 0.88));
  border: 1px solid rgba(17, 87, 64, 0.08);
  border-radius: 18px;
  padding: 0.75rem;
  min-height: 370px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-plot {
  width: 100%;
  min-height: 350px;
}

.about-figure-notes {
  margin-top: 0.95rem;
  display: grid;
  gap: 0.6rem;
}

.about-figure-note {
  background: rgba(17, 87, 64, 0.05);
  border: 1px solid rgba(17, 87, 64, 0.08);
  border-radius: 14px;
  padding: 0.75rem 0.85rem;
  color: var(--about-copy);
}

.about-shap-image {
  border-radius: 12px;
}

.about-publication-list {
  display: grid;
  gap: 1rem;
}

.about-publication-card {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 1.15rem;
}

.about-publication-year {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border-radius: 16px;
  background: rgba(17, 87, 64, 0.08);
  color: var(--about-ink);
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.15rem;
  font-weight: 600;
}

.about-publication-type {
  display: inline-block;
  margin-bottom: 0.45rem;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: rgba(17, 87, 64, 0.08);
  color: var(--uthsc-green);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about-publication-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.45rem;
}

.about-publication-card p {
  margin-bottom: 0.35rem;
}

@media (max-width: 1199px) {
  .about-stat-grid,
  .about-primer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-question-grid,
  .about-note-band {
    grid-template-columns: 1fr;
  }

  .about-display {
    max-width: 13ch;
  }
}

@media (max-width: 991px) {
  .about-hero-grid,
  .about-copy-grid,
  .about-model-grid,
  .about-detail-grid,
  .about-scoreboard,
  .about-inline-facts {
    grid-template-columns: 1fr;
  }

  .about-hero {
    padding: 1.45rem;
  }

  .about-display {
    max-width: none;
    font-size: 2.9rem;
  }
}


@media (max-width: 767px) {
  .about-stat-grid,
  .about-primer-grid,
  .about-performance-grid {
    grid-template-columns: 1fr;
  }

  .about-publication-card {
    grid-template-columns: 1fr;
  }

  .about-publication-year {
    width: fit-content;
    padding: 0.6rem 1rem;
  }

  .about-hero-actions {
    flex-direction: column;
  }

  .about-btn,
  .about-pill {
    width: 100%;
    justify-content: center;
  }

  .about-plot-shell {
    min-height: 320px;
  }

  .about-plot {
    min-height: 300px;
  }
}

@media (min-width: 992px) {
  .about-page .toc-mobile {
    position: static;
  }
}

[data-theme="dark"] .about-page {
  --about-surface: rgba(20, 29, 25, 0.84);
  --about-surface-strong: rgba(24, 35, 30, 0.94);
  --about-border: rgba(255, 255, 255, 0.08);
  --about-border-strong: rgba(255, 255, 255, 0.12);
  --about-ink: #f0f4f1;
  --about-copy: #d4ddd8;
  --about-muted: #9baca3;
  --about-soft: rgba(34, 160, 122, 0.14);
  --about-warm: rgba(255, 176, 77, 0.18);
  --about-shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
}

[data-theme="dark"] .about-hero {
  background: rgba(20, 29, 25, 0.94);
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .about-hero::before {
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
}

[data-theme="dark"] .about-pill,
[data-theme="dark"] .about-note-card,
[data-theme="dark"] .about-detail-card,
[data-theme="dark"] .about-inline-fact,
[data-theme="dark"] .about-performance-metric {
  background: rgba(18, 27, 23, 0.78);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .about-btn-secondary {
  background: rgba(18, 27, 23, 0.82);
  border-color: rgba(255, 255, 255, 0.08);
  color: #9fe9cb !important;
}

[data-theme="dark"] .about-chip {
  background: rgba(24, 35, 30, 0.88);
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--about-ink);
}

[data-theme="dark"] .about-chip-accent {
  background: rgba(255, 130, 0, 0.14);
  border-color: rgba(255, 176, 77, 0.22);
}

[data-theme="dark"] .about-question-card::before {
  background: linear-gradient(90deg, rgba(255, 176, 77, 0.8), rgba(34, 160, 122, 0.72));
}

[data-theme="dark"] .about-primer-icon,
[data-theme="dark"] .about-question-icon {
  background: rgba(34, 160, 122, 0.16);
  color: #8fe4c5;
}

[data-theme="dark"] .about-guidance-card,
[data-theme="dark"] .about-callout,
[data-theme="dark"] .about-boundary,
[data-theme="dark"] .about-figure-note {
  background: rgba(24, 35, 30, 0.86);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .about-banner-rsf {
  background: rgba(20, 29, 25, 0.92);
}

[data-theme="dark"] .about-banner-deephit {
  background: rgba(20, 29, 25, 0.92);
}

[data-theme="dark"] .about-model-card-rsf {
  background: rgba(20, 29, 25, 0.88);
}

[data-theme="dark"] .about-model-card-deephit {
  background: rgba(20, 29, 25, 0.88);
}

[data-theme="dark"] .about-model-badge-deephit {
  color: #ffcc8a;
}

[data-theme="dark"] .about-plot-shell {
  background: linear-gradient(180deg, rgba(18, 27, 23, 0.84), rgba(23, 34, 29, 0.92));
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .about-page .toc-sidebar,
[data-theme="dark"] .about-page .toc-mobile-toggle,
[data-theme="dark"] .about-page .toc-mobile-nav {
  background: rgba(20, 29, 25, 0.86);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .about-page .toc-mobile {
  background: transparent;
  border-bottom-color: transparent;
  box-shadow: none;
}

[data-theme="dark"] .about-page .toc-mobile-toggle {
  background: #1a2420;
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.34);
}

[data-theme="dark"] .about-page .toc-mobile.toc-mobile-open .toc-mobile-toggle {
  border-bottom-color: transparent;
}

[data-theme="dark"] .about-page .toc-mobile .collapse.show,
[data-theme="dark"] .about-page .toc-mobile .collapsing {
  background: #1a2420;
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .about-page .toc-sidebar .toc-link,
[data-theme="dark"] .about-page .toc-mobile-nav .toc-link {
  color: var(--about-muted);
}

[data-theme="dark"] .about-page .toc-sidebar .toc-link.active,
[data-theme="dark"] .about-page .toc-mobile-nav .toc-link.active {
  color: #9fe9cb;
  border-left-color: #9fe9cb;
  background: rgba(34, 160, 122, 0.14);
}

[data-theme="dark"] .about-page .toc-sidebar .toc-link:hover,
[data-theme="dark"] .about-page .toc-mobile-nav .toc-link:hover {
  background: rgba(34, 160, 122, 0.1);
  color: var(--about-ink);
}

/* Inline info collapsibles (replacing modals) */
[data-theme="dark"] .info-collapsible .bg-light {
  background: var(--surface) !important;
  border-color: var(--border-light) !important;
}

/* ================================================
   LANDING PAGE V2 — Hero, Trust Bar, Steps, Models
   ================================================ */

/* ---------- Hero Section ---------- */
.hero-section {
  text-align: center;
  padding: 3.5rem 1rem 2.5rem;
  margin: -1rem -12px 0;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(17,87,64,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--uthsc-green);
  background: rgba(17,87,64,0.08);
  border: 1px solid rgba(17,87,64,0.15);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
  color: var(--text-primary);
}

.hero-acronym {
  background: linear-gradient(135deg, var(--uthsc-green), var(--uthsc-green-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: 1rem;
  letter-spacing: 0.01em;
}

.hero-description {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 1.75rem;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-cta {
  padding: 0.7rem 2rem;
  font-weight: 600;
  border-radius: 10px;
  font-size: 1rem;
}

.hero-cta-secondary {
  padding: 0.7rem 1.5rem;
  font-weight: 500;
  border-radius: 10px;
  font-size: 1rem;
  color: var(--uthsc-green) !important;
  border-color: var(--uthsc-green) !important;
}

.hero-cta-secondary:hover {
  background: var(--uthsc-green) !important;
  color: #fff !important;
}

/* ---------- Trust Metrics Bar ---------- */
.trust-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  padding: 1.5rem 1rem;
  margin: 0 -12px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.5rem 2rem;
}

.trust-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--uthsc-green);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.trust-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 0.2rem;
}

.trust-divider {
  width: 1px;
  height: 36px;
  background: var(--border-light);
}

/* ---------- Section Heading (shared) ---------- */
.section-heading {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.75rem;
  letter-spacing: -0.01em;
}

/* ---------- How It Works ---------- */
.how-it-works {
  padding: 3rem 0 2rem;
}

.steps-row {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.step-card {
  flex: 0 1 260px;
  text-align: center;
  padding: 1.5rem 1.25rem;
  border-radius: var(--radius);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-subtle);
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.step-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--uthsc-green), var(--uthsc-green-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
  color: #fff;
  font-size: 1.5rem;
}

.step-number {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--uthsc-orange);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(185,71,0,0.3);
}

.step-card h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.step-card p {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin-bottom: 0;
}

.step-connector {
  display: flex;
  align-items: center;
  padding: 0 0.5rem;
  color: var(--text-faint);
  font-size: 1.25rem;
  margin-top: 3rem;
}

/* ---------- Model Showcase Cards ---------- */
.model-showcase {
  padding: 2.5rem 0 1rem;
}

.model-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  height: 100%;
  transition: var(--transition);
}

.model-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.model-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.model-card h5 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.model-card-desc {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.model-card-stats {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.model-stat {
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 0.25rem 0.6rem;
  background: var(--chip-bg);
  border-radius: 6px;
  border: 1px solid var(--chip-border);
}

/* ---------- Output Preview ---------- */
.output-preview {
  padding: 2rem 0 1rem;
}

.output-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  height: 100%;
  transition: var(--transition);
}

.output-item:hover {
  box-shadow: var(--shadow-sm);
}

.output-item i {
  font-size: 1.4rem;
  color: var(--uthsc-green);
  flex-shrink: 0;
}

/* ---------- Institutions & Disclaimer ---------- */
.institutions-section {
  padding: 2rem 0 1rem;
}

.institution-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  font-size: 0.9rem;
  text-align: left;
}

.institution-badge i {
  font-size: 1.75rem;
  color: var(--uthsc-green);
}

.institution-badge strong {
  color: var(--text-primary);
}

.disclaimer-box {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  background: rgba(17,87,64,0.04);
  border: 1px solid rgba(17,87,64,0.1);
  border-radius: var(--radius);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.disclaimer-box i {
  color: var(--uthsc-green);
  font-size: 1.1rem;
  margin-top: 0.1rem;
  flex-shrink: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .hero-title { font-size: 2.25rem; }
  .hero-description { font-size: 0.95rem; }
  .hero-section { padding: 2.5rem 1rem 2rem; }

  .trust-bar { gap: 0.5rem; }
  .trust-item { padding: 0.5rem 1rem; }
  .trust-value { font-size: 1.35rem; }
  .trust-divider { height: 28px; }

  .steps-row { flex-direction: column; align-items: center; gap: 0.75rem; }
  .step-connector { transform: rotate(90deg); padding: 0; margin: 0; }
  .step-card { flex: 0 1 auto; width: 100%; max-width: 340px; }

  .institution-badge { padding: 0.6rem 1rem; font-size: 0.85rem; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.85rem; }
  .trust-item { padding: 0.4rem 0.75rem; }
  .trust-value { font-size: 1.15rem; }
  .trust-label { font-size: 0.65rem; }
}

/* ---------- Dark mode overrides for v2 ---------- */
[data-theme="dark"] .hero-badge {
  background: rgba(17,87,64,0.2);
  border-color: rgba(17,87,64,0.3);
  color: var(--uthsc-green-light);
}

[data-theme="dark"] .disclaimer-box {
  background: rgba(17,87,64,0.08);
  border-color: rgba(17,87,64,0.15);
}