/**
 * App Hosting Calculator UX Wrapper
 * Cohesive with HVPS configurator (cards, sticky summary, clear estimates)
 */

:root {
  --ahcalc-slate-950: #020617;
  --ahcalc-slate-900: #0f172a;
  --ahcalc-slate-800: #1e293b;
  --ahcalc-slate-700: #334155;
  --ahcalc-slate-600: #475569;
  --ahcalc-slate-500: #64748b;
  --ahcalc-slate-200: #e2e8f0;
  --ahcalc-slate-100: #f1f5f9;
  --ahcalc-slate-50: #f8fafc;

  --ahcalc-accent-600: var(--brand-primary-dark);
  --ahcalc-accent-500: var(--brand-primary);
  --ahcalc-accent-400: #22d3ee;
  --ahcalc-accent-300: #67e8f9;
  --ahcalc-accent-200: #a5f3fc;

  /* Align with STYLE.md CTA palette */
  --ahcalc-action-500: var(--brand-cta);
  --ahcalc-action-600: #e07f0a;

  --ahcalc-success-500: #22c55e;
  --ahcalc-warn-500: #f59e0b;
  --ahcalc-info-500: #009688;

  --ahcalc-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --ahcalc-shadow-lg: 0 12px 30px rgba(2, 6, 23, 0.18);
  
  --ahcalc-radius: 18px;
  --ahcalc-radius-sm: 12px;

  --ahcalc-font: 'Rubik', system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --ahcalc-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
}

/* Prevent a flash of unenhanced markup while JS swaps in the upgraded hero + UI.
   The inline head script adds/removes `tbox-ahcalc-loading` on <html>. */
html.tbox-ahcalc-loading #hero-section.app-hosting-calc > * {
  visibility: hidden;
}

html.tbox-ahcalc-loading #calculator-section .j-calculator {
  visibility: hidden;
}

#tbox-app-hosting-configurator {
  font-family: var(--ahcalc-font);
  color: var(--ahcalc-slate-900);
  margin: 0 auto 1.5rem;
  max-width: 1200px;
}

.tbox-ahcalc-shell {
  background: linear-gradient(180deg, rgba(2, 6, 23, 0.04), transparent 35%),
    radial-gradient(1200px 320px at 18% 0%, rgba(6, 182, 212, 0.10), transparent 60%),
    radial-gradient(900px 300px at 82% 0%, rgba(4, 115, 169, 0.10), transparent 62%),
    var(--ahcalc-slate-50);
  border: 1px solid var(--ahcalc-slate-200);
  border-radius: var(--ahcalc-radius);
  box-shadow: var(--ahcalc-shadow);
  padding: 1.1rem 1.1rem 1.25rem;
}

.tbox-ahcalc-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.25rem;
  margin-bottom: 1rem;
}

.tbox-ahcalc-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

.tbox-ahcalc-subtitle {
  color: var(--ahcalc-slate-600);
  font-size: 0.98rem;
  line-height: 1.45;
  margin: 0;
}

.tbox-ahcalc-head-text {
  flex: 1 1 520px;
  min-width: 260px;
}

.tbox-ahcalc-head-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-left: auto;
}

.tbox-ahcalc-inline-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ahcalc-slate-700);
}

.tbox-ahcalc-select {
  appearance: none;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--ahcalc-slate-200);
  border-radius: 12px;
  padding: 0.55rem 2.1rem 0.55rem 0.75rem;
  font-family: var(--ahcalc-mono);
  font-size: 0.9rem;
  color: var(--ahcalc-slate-900);
  box-shadow: 0 1px 0 rgba(2, 6, 23, 0.03);
  background-image: linear-gradient(45deg, transparent 50%, var(--ahcalc-slate-500) 50%),
    linear-gradient(135deg, var(--ahcalc-slate-500) 50%, transparent 50%);
  background-position: calc(100% - 14px) calc(50% - 1px), calc(100% - 9px) calc(50% - 1px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.tbox-ahcalc-select:focus-visible {
  outline: none;
  border-color: var(--ahcalc-accent-400);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}

.tbox-ahcalc-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 0.75rem 0 1.05rem;
}

.tbox-ahcalc-step {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--ahcalc-slate-200);
  border-radius: 999px;
  padding: 0.55rem 0.7rem;
  font-size: 0.9rem;
  color: var(--ahcalc-slate-700);
}

.tbox-ahcalc-step .num {
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 999px;
  background: rgba(6, 182, 212, 0.13);
  border: 1px solid rgba(6, 182, 212, 0.25);
  display: grid;
  place-items: center;
  font-family: var(--ahcalc-mono);
  font-size: 0.85rem;
  color: var(--ahcalc-slate-900);
}

/* ============================================
   Grid Layout - matches HVPS configurator
   ============================================ */
.tbox-ahcalc-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 1.25rem;
  align-items: start;
}

.tbox-ahcalc-main-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tbox-ahcalc-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--ahcalc-slate-200);
  border-radius: var(--ahcalc-radius-sm);
  box-shadow: 0 1px 0 rgba(2, 6, 23, 0.04);
  padding: 0.95rem;
}

.tbox-ahcalc-card h3 {
  margin: 0 0 0.65rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ahcalc-slate-900);
}

.tbox-ahcalc-card-subtitle {
  margin: -0.25rem 0 0.85rem;
  color: var(--ahcalc-slate-600);
  font-size: 0.9rem;
  line-height: 1.4;
}

/* ============================================
   Workload controls
   ============================================ */
.tbox-ahcalc-stack {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.tbox-ahcalc-stack-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0.85rem;
  border-radius: 14px;
  border: 1px solid var(--ahcalc-slate-200);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 1px 0 rgba(2, 6, 23, 0.03);
}

.tbox-ahcalc-stack-left {
  display: grid;
  gap: 0.2rem;
}

.tbox-ahcalc-stack-name {
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ahcalc-slate-900);
}

.tbox-ahcalc-stack-meta {
  font-family: var(--ahcalc-mono);
  font-size: 0.78rem;
  color: var(--ahcalc-slate-600);
}

.tbox-ahcalc-stack-right {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.tbox-ahcalc-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  border: 1px solid rgba(34, 211, 238, 0.25);
  background: rgba(34, 211, 238, 0.10);
  color: var(--ahcalc-slate-800);
  white-space: nowrap;
}

.tbox-ahcalc-pill--required {
  border-color: rgba(34, 197, 94, 0.25);
  background: rgba(34, 197, 94, 0.12);
  color: #065f46;
}

.tbox-ahcalc-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  cursor: pointer;
  user-select: none;
}

.tbox-ahcalc-switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.tbox-ahcalc-switch .track {
  width: 2.35rem;
  height: 1.35rem;
  border-radius: 999px;
  background: rgba(100, 116, 139, 0.25);
  border: 1px solid rgba(100, 116, 139, 0.25);
  position: relative;
  transition: background 0.15s ease, border-color 0.15s ease;
  flex: 0 0 auto;
}

.tbox-ahcalc-switch .track::after {
  content: '';
  position: absolute;
  width: 1.03rem;
  height: 1.03rem;
  border-radius: 999px;
  background: #fff;
  top: 50%;
  left: 0.14rem;
  transform: translateY(-50%);
  box-shadow: 0 6px 10px rgba(2, 6, 23, 0.15);
  transition: transform 0.15s ease;
}

.tbox-ahcalc-switch input:checked + .track {
  background: var(--ahcalc-accent-500);
  border-color: rgba(6, 182, 212, 0.45);
}

.tbox-ahcalc-switch input:checked + .track::after {
  transform: translate(1.0rem, -50%);
}

.tbox-ahcalc-switch input:focus-visible + .track {
  outline: none;
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18);
}

.tbox-ahcalc-switch .label {
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ahcalc-slate-900);
}

.tbox-ahcalc-stepper {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--ahcalc-slate-200);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: inset 0 1px 0 rgba(2, 6, 23, 0.02);
}

.tbox-ahcalc-stepper:focus-within {
  border-color: var(--ahcalc-accent-400);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}

.tbox-ahcalc-stepper-btn {
  width: 2.25rem;
  display: grid;
  place-items: center;
  border: none;
  background: var(--ahcalc-slate-50);
  color: var(--ahcalc-slate-700);
  font-weight: 900;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.tbox-ahcalc-stepper-btn:hover {
  background: rgba(2, 6, 23, 0.06);
}

.tbox-ahcalc-stepper-btn:active {
  background: rgba(2, 6, 23, 0.10);
}

.tbox-ahcalc-stepper input {
  border: none;
  border-radius: 0;
  width: 4.2rem;
  padding: 0.55rem 0.65rem;
  font-family: var(--ahcalc-mono);
  font-size: 0.92rem;
  color: var(--ahcalc-slate-900);
  text-align: center;
}

.tbox-ahcalc-stepper input:focus {
  outline: none;
}

.tbox-ahcalc-stepper input::-webkit-outer-spin-button,
.tbox-ahcalc-stepper input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.tbox-ahcalc-stepper input[type="number"] {
  -moz-appearance: textfield;
}

.tbox-ahcalc-stepper-btn:disabled,
.tbox-ahcalc-stepper input:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.tbox-ahcalc-advanced {
  margin-top: 0.9rem;
  border-radius: 14px;
  border: 1px dashed rgba(100, 116, 139, 0.35);
  background: rgba(255, 255, 255, 0.65);
  overflow: hidden;
}

.tbox-ahcalc-advanced summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.9rem;
  padding: 0.75rem 0.85rem;
}

.tbox-ahcalc-advanced summary::-webkit-details-marker {
  display: none;
}

.tbox-ahcalc-advanced summary::after {
  content: '▾';
  color: var(--ahcalc-slate-600);
  font-size: 0.95rem;
  transform: translateY(-1px);
  transition: transform 0.15s ease;
}

.tbox-ahcalc-advanced[open] summary::after {
  transform: rotate(180deg) translateY(1px);
}

.tbox-ahcalc-advanced-title {
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ahcalc-slate-900);
}

.tbox-ahcalc-advanced-subtitle {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ahcalc-slate-600);
  white-space: nowrap;
}

.tbox-ahcalc-advanced-body {
  padding: 0.85rem;
  border-top: 1px dashed rgba(100, 116, 139, 0.25);
}

.tbox-ahcalc-advanced-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.tbox-ahcalc-advanced-group {
  border-radius: 14px;
  border: 1px solid var(--ahcalc-slate-200);
  background: rgba(255, 255, 255, 0.9);
  padding: 0.8rem 0.8rem 0.9rem;
}

.tbox-ahcalc-advanced-group h4 {
  margin: 0 0 0.65rem;
  font-size: 0.95rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ahcalc-slate-900);
}

.tbox-ahcalc-advanced-fields {
  display: grid;
  gap: 0.7rem;
}

.tbox-ahcalc-advanced-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--ahcalc-slate-700);
  margin-bottom: 0.35rem;
}

.tbox-ahcalc-advanced-note {
  margin-top: 0.75rem;
  font-size: 0.86rem;
  color: var(--ahcalc-slate-600);
  line-height: 1.35;
}

/* ============================================
   Presets - with active state
   ============================================ */
.tbox-ahcalc-presets {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.tbox-ahcalc-preset {
  text-align: left;
  border: 1px solid var(--ahcalc-slate-200);
  background: #FFFFFF;
  border-radius: 14px;
  padding: 1rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.tbox-ahcalc-preset:hover {
  transform: translateY(-2px);
  border-color: var(--ahcalc-accent-300);
  box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.08);
}

.tbox-ahcalc-preset:active {
  transform: translateY(0);
}

/* Active preset state */
.tbox-ahcalc-preset.active {
  border: 2px solid var(--ahcalc-accent-500);
  background: linear-gradient(145deg, rgba(34, 211, 238, 0.08) 0%, rgba(255, 255, 255, 0.4) 100%);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.15);
  padding: calc(1rem - 1px); /* Compensate for 2px border */
}

/* Add a colored accent bar to the left of active card */
.tbox-ahcalc-preset.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--ahcalc-accent-500);
}

#tbox-app-hosting-configurator .tbox-ahcalc-preset.active .name {
  color: var(--ahcalc-slate-900);
}

#tbox-app-hosting-configurator .tbox-ahcalc-preset.active .name span {
  color: var(--ahcalc-action-500);
  transform: translateX(3px);
}

#tbox-app-hosting-configurator .tbox-ahcalc-preset .name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ahcalc-slate-800);
  margin-bottom: 0.5rem;
  transition: color 0.15s ease;
}

/* Arrow in title */
#tbox-app-hosting-configurator .tbox-ahcalc-preset .name span {
  color: var(--ahcalc-slate-400);
  transition: all 0.2s ease;
  font-weight: 800;
}

#tbox-app-hosting-configurator .tbox-ahcalc-preset:hover .name span {
  color: var(--ahcalc-action-500);
  transform: translateX(2px);
}

/* Specs Badge - Color Injection */
#tbox-app-hosting-configurator .tbox-ahcalc-preset .specs {
  display: inline-block;
  font-family: var(--ahcalc-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brand-primary-dark);
  background: rgba(41, 167, 230, 0.12);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  margin-bottom: 0.65rem;
  border: 1px solid rgba(41, 167, 230, 0.25);
}

#tbox-app-hosting-configurator .tbox-ahcalc-preset.active .specs {
  background: var(--ahcalc-accent-500);
  color: #ffffff;
  border-color: var(--ahcalc-accent-600);
}

#tbox-app-hosting-configurator .tbox-ahcalc-preset .micro {
  color: var(--ahcalc-slate-500);
  font-size: 0.85rem;
  line-height: 1.45;
}

/* ============================================
   Form Fields
   ============================================ */
.tbox-ahcalc-field {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.45rem;
}

.tbox-ahcalc-fields-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.tbox-ahcalc-fields-grid .tbox-ahcalc-field {
  margin-top: 0;
}

/* Prevent grid-stretching on “pill” steppers (Usage helpers: Storage + Public IP). */
.tbox-ahcalc-fields-grid .tbox-ahcalc-stepper {
  justify-self: start;
  width: fit-content;
  max-width: 100%;
}

/* Unified Input Group */
.tbox-ahcalc-input-group {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--ahcalc-slate-200);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  transition: border-color 0.15s ease;
}

.tbox-ahcalc-input-group:focus-within {
  border-color: var(--ahcalc-accent-400);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}

.tbox-ahcalc-input-group .tbox-ahcalc-input {
  border: none;
  border-radius: 0;
  flex: 1;
  padding: 0.6rem 0.8rem;
}

.tbox-ahcalc-input-group .tbox-ahcalc-input:focus {
  outline: none;
}

.tbox-ahcalc-toggle {
  display: flex;
  background: var(--ahcalc-slate-50);
  border-left: 1px solid var(--ahcalc-slate-200);
  padding: 0.25rem;
  gap: 0.25rem;
}

.tbox-ahcalc-toggle button {
  appearance: none;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0.35rem 0.75rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ahcalc-slate-600);
  transition: all 0.15s ease;
}

.tbox-ahcalc-toggle button:hover {
  background: rgba(0,0,0,0.05);
}

.tbox-ahcalc-toggle button[aria-pressed="true"] {
  background: var(--ahcalc-accent-500);
  color: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.tbox-ahcalc-input {
  /* Only used for standalone inputs now if any */
  width: 100%;
  padding: 0.6rem 0.7rem;
  font-family: var(--ahcalc-mono);
  font-size: 0.95rem;
  color: var(--ahcalc-slate-900);
  background: rgba(255, 255, 255, 0.95);
}

.tbox-ahcalc-hint {
  font-size: 0.86rem;
  color: var(--ahcalc-slate-600);
  line-height: 1.35;
  margin-top: 0.5rem;
}

.tbox-ahcalc-hint--included {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #0f766e; /* Darker Teal for text */
  font-weight: 600;
  background: #ccfbf1; /* More saturated Mint/Teal bg */
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  border: 1px solid #99f6e4;
}

/* ============================================
   Estimates (3-tier cards)
   ============================================ */
.tbox-ahcalc-estimates {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}

.tbox-ahcalc-est {
  padding: 1rem;
  background: transparent;
  border-radius: 12px;
  text-align: center;
}

.tbox-ahcalc-est .k {
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  color: var(--ahcalc-slate-500);
}

.tbox-ahcalc-est .v {
  font-family: var(--ahcalc-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.1rem;
  color: var(--ahcalc-slate-700);
}

.tbox-ahcalc-est .subv {
  margin-top: 0.25rem;
  font-family: var(--ahcalc-mono);
  font-variant-numeric: tabular-nums;
  color: var(--ahcalc-slate-400);
  font-size: 0.85rem;
}

/* Typical Estimate Highlight */
.tbox-ahcalc-est--typical {
  background: #fff;
  border: 1px solid var(--ahcalc-slate-200);
  border-top: 4px solid var(--ahcalc-accent-500);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  transform: scale(1.02);
}

.tbox-ahcalc-est--typical .k { color: var(--ahcalc-accent-600); }
.tbox-ahcalc-est--typical .v { color: var(--ahcalc-slate-900); font-weight: 700; font-size: 1.25rem; }
.tbox-ahcalc-est--typical .subv { color: var(--ahcalc-slate-600); }

/* ============================================
   Utilization Slider
   ============================================ */
.tbox-ahcalc-util {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px dashed rgba(100, 116, 139, 0.2);
}

.tbox-ahcalc-util .row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
}

.tbox-ahcalc-util label {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--ahcalc-slate-800);
  margin: 0;
}

.tbox-ahcalc-util .pill {
  font-family: var(--ahcalc-mono);
  font-size: 0.82rem;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--ahcalc-slate-200);
  background: rgba(6, 182, 212, 0.12);
  color: var(--ahcalc-slate-900);
}

/* Slider wrapper with gradient fill */
.tbox-ahcalc-slider-wrapper {
  position: relative;
  height: 8px;
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.14), rgba(15, 23, 42, 0.06));
  border-radius: 4px;
  overflow: visible;
  margin: 0.75rem 0;
}

.tbox-ahcalc-slider-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--ahcalc-accent-300), var(--ahcalc-accent-500));
  border-radius: 4px;
  pointer-events: none;
  transition: width 0.1s ease;
}

.tbox-ahcalc-slider-wrapper input[type="range"] {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 100%;
  height: 20px;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  margin: 0;
}

.tbox-ahcalc-slider-wrapper input[type="range"]:focus {
  outline: none;
}

/* Webkit Thumb */
.tbox-ahcalc-slider-wrapper input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--ahcalc-accent-400);
  border: 3px solid rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  cursor: grab;
  box-shadow:
    0 0 0 4px rgba(34, 211, 238, 0.18),
    0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tbox-ahcalc-slider-wrapper input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.1);
  box-shadow:
    0 0 0 6px rgba(34, 211, 238, 0.24),
    0 6px 16px rgba(0, 0, 0, 0.28);
}

.tbox-ahcalc-slider-wrapper input[type="range"]::-webkit-slider-thumb:active {
  cursor: grabbing;
}

/* Firefox Thumb */
.tbox-ahcalc-slider-wrapper input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--ahcalc-accent-400);
  border: 3px solid rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  cursor: grab;
  box-shadow:
    0 0 0 4px rgba(34, 211, 238, 0.18),
    0 4px 12px rgba(0, 0, 0, 0.2);
}

.tbox-ahcalc-slider-wrapper input[type="range"]::-moz-range-track {
  background: transparent;
  border: none;
}

.tbox-ahcalc-foot {
  margin-top: 0.85rem;
  font-size: 0.86rem;
  line-height: 1.35;
  color: var(--ahcalc-slate-600);
}

/* ============================================
   Pricing Sidebar - matches HVPS configurator
   ============================================ */
.tbox-ahcalc-pricing-sidebar {
  position: sticky;
  top: 2rem;
}

.tbox-ahcalc-pricing-card {
  background: linear-gradient(135deg, var(--ahcalc-slate-900) 0%, var(--ahcalc-slate-800) 100%);
  border: 1px solid rgba(34, 211, 238, 0.18);
  border-radius: 16px;
  padding: 1.75rem;
  color: #ffffff;
  box-shadow:
    0 0 40px rgba(34, 211, 238, 0.08),
    0 25px 50px -12px rgba(0, 0, 0, 0.45);
}

.tbox-ahcalc-pricing-card .pricing-card-header {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 1.25rem;
}

.tbox-ahcalc-pricing-card .pricing-total {
  margin-bottom: 1.5rem;
}

.tbox-ahcalc-pricing-card .pricing-total--monthly-primary {
  margin-bottom: 0.75rem;
}

.tbox-ahcalc-pricing-card .pricing-total--monthly-primary .price-label {
  display: block;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0.25rem;
}

.tbox-ahcalc-pricing-card .pricing-total--monthly-primary .price-value {
  display: block;
  font-size: 2.25rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  font-family: var(--ahcalc-mono);
}

.tbox-ahcalc-pricing-card .pricing-total--hourly-secondary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.tbox-ahcalc-pricing-card .pricing-total--hourly-secondary .price-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tbox-ahcalc-pricing-card .pricing-total--hourly-secondary .price-value {
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--ahcalc-mono);
}

.tbox-ahcalc-pricing-card .pricing-total--hourly-secondary .price-suffix {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
}

/* CTA Button */
.tbox-ahcalc-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 52px;
  background: linear-gradient(135deg, var(--ahcalc-action-500) 0%, var(--ahcalc-action-600) 100%);
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.12s ease, filter 0.12s ease, box-shadow 0.12s ease;
  box-shadow: 0 4px 14px rgba(255, 87, 34, 0.35);
}

.tbox-ahcalc-cta-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow: 0 6px 20px rgba(255, 87, 34, 0.45);
}

.tbox-ahcalc-cta-btn:active {
  transform: translateY(0);
}

.tbox-ahcalc-pricing-card .cta-microcopy {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
}

/* Pricing Breakdown */
.tbox-ahcalc-pricing-card .pricing-breakdown {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.25rem;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
}

.tbox-ahcalc-pricing-card .pricing-breakdown-title {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0.75rem;
}

.tbox-ahcalc-pricing-card .pricing-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.tbox-ahcalc-pricing-card .pricing-row:last-child {
  border-bottom: none;
}

.tbox-ahcalc-pricing-card .pricing-row .row-label {
  color: rgba(255, 255, 255, 0.85);
}

.tbox-ahcalc-pricing-card .pricing-row .row-value {
  font-weight: 600;
  color: #ffffff;
  font-variant-numeric: tabular-nums;
  font-family: var(--ahcalc-mono);
}

/* Trust Signals */
.tbox-ahcalc-trust-signals {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.tbox-ahcalc-trust-signals .trust-badge {
  font-size: 12px;
  color: rgba(226, 232, 240, 0.85);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.6rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
}

.tbox-ahcalc-trust-signals .trust-badge::before {
  content: '\2713';
  color: var(--ahcalc-success-500);
  font-weight: 700;
  font-size: 0.75rem;
}

/* Share Configuration Button */
.tbox-ahcalc-share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  margin-top: 1rem;
  padding: 0.65rem 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tbox-ahcalc-share-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.tbox-ahcalc-share-btn:focus-visible {
  outline: 2px solid var(--ahcalc-accent-400);
  outline-offset: 2px;
}

.tbox-ahcalc-share-btn svg {
  flex-shrink: 0;
}

/* Toast Notification */
.tbox-ahcalc-toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ahcalc-slate-900);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  z-index: 10000;
}

.tbox-ahcalc-toast.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.tbox-ahcalc-toast.is-success {
  background: linear-gradient(135deg, #059669, #047857);
}

.tbox-ahcalc-toast.is-error {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
}

/* ============================================
   Accessibility: Focus Indicators
   ============================================ */
.tbox-ahcalc-preset:focus-visible {
  outline: 3px solid var(--ahcalc-accent-400);
  outline-offset: 2px;
}

.tbox-ahcalc-cta-btn:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.8);
  outline-offset: 2px;
}

.tbox-ahcalc-toggle button:focus-visible {
  outline: 2px solid var(--ahcalc-accent-500);
  outline-offset: 1px;
}

.tbox-ahcalc-input:focus-visible {
  outline: 2px solid var(--ahcalc-accent-400);
  outline-offset: -2px;
}

.tbox-ahcalc-slider-wrapper input[type="range"]:focus-visible {
  outline: none;
}

.tbox-ahcalc-slider-wrapper input[type="range"]:focus-visible::-webkit-slider-thumb {
  box-shadow:
    0 0 0 3px var(--ahcalc-accent-400),
    0 0 0 6px rgba(34, 211, 238, 0.3),
    0 4px 12px rgba(0, 0, 0, 0.2);
}

.tbox-ahcalc-slider-wrapper input[type="range"]:focus-visible::-moz-range-thumb {
  box-shadow:
    0 0 0 3px var(--ahcalc-accent-400),
    0 0 0 6px rgba(34, 211, 238, 0.3),
    0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ============================================
   Accessibility: Touch Target Sizes (44x44px min)
   ============================================ */
@media (pointer: coarse) {
  .tbox-ahcalc-preset {
    min-height: 80px;
    padding: 1.25rem;
  }

  .tbox-ahcalc-toggle button {
    min-width: 56px;
    min-height: 44px;
    padding: 0.5rem 1rem;
  }

  .tbox-ahcalc-cta-btn {
    min-height: 52px;
  }

  .tbox-ahcalc-share-btn {
    min-height: 48px;
    padding: 0.85rem 1.25rem;
  }

  .tbox-ahcalc-slider-wrapper {
    height: 12px;
    margin: 1rem 0;
  }

  .tbox-ahcalc-slider-wrapper input[type="range"]::-webkit-slider-thumb {
    width: 28px;
    height: 28px;
  }

  .tbox-ahcalc-slider-wrapper input[type="range"]::-moz-range-thumb {
    width: 28px;
    height: 28px;
  }

  .tbox-ahcalc-btn {
    min-height: 48px;
    padding: 0.75rem 1rem;
  }

  .tbox-ahcalc-step {
    min-height: 44px;
    padding: 0.65rem 0.85rem;
  }
}

/* Pricing update pulse animation */
.tbox-ahcalc-pricing-card.pricing-updated {
  animation: ahcalc-pricing-pulse 0.4s ease;
}

@keyframes ahcalc-pricing-pulse {
  0% { box-shadow: 0 0 40px rgba(34, 211, 238, 0.08), 0 25px 50px -12px rgba(0, 0, 0, 0.45); }
  50% { box-shadow: 0 0 50px rgba(34, 211, 238, 0.18), 0 25px 50px -12px rgba(0, 0, 0, 0.45); }
  100% { box-shadow: 0 0 40px rgba(34, 211, 238, 0.08), 0 25px 50px -12px rgba(0, 0, 0, 0.45); }
}

/* ============================================
   Sticky summary bar
   ============================================ */
.tbox-ahcalc-sticky {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  padding: 0.85rem 0.85rem calc(0.85rem + env(safe-area-inset-bottom));
  display: none;
}

.tbox-ahcalc-sticky.is-visible {
  display: block;
}

.tbox-ahcalc-sticky__inner {
  max-width: 1100px;
  margin: 0 auto;
  background: rgba(2, 6, 23, 0.92);
  color: #fff;
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: var(--ahcalc-shadow-lg);
  border-radius: 18px;
  padding: 0.75rem 0.85rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
  backdrop-filter: blur(10px);
}

.tbox-ahcalc-sticky__title {
  font-weight: 750;
  letter-spacing: -0.01em;
  margin: 0;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.86);
}

.tbox-ahcalc-sticky__value {
  margin: 0.25rem 0 0;
  font-family: var(--ahcalc-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.05rem;
  color: #fff;
}

.tbox-ahcalc-sticky__sub {
  margin: 0.25rem 0 0;
  font-size: 0.85rem;
  color: rgba(226, 232, 240, 0.8);
}

.tbox-ahcalc-sticky__actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.tbox-ahcalc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: 999px;
  padding: 0.6rem 0.85rem;
  font-weight: 800;
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.20);
  transition: transform 0.12s ease, filter 0.12s ease;
  cursor: pointer;
}

.tbox-ahcalc-btn:hover { transform: translateY(-1px); filter: brightness(1.03); }
.tbox-ahcalc-btn:active { transform: translateY(0); }

.tbox-ahcalc-btn--primary {
  background: linear-gradient(180deg, var(--brand-cta), #e07f0a);
  color: #ffffff;
  border-color: rgba(0, 0, 0, 0.18);
}

.tbox-ahcalc-btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

/* ============================================
   J-Calculator integration
   ============================================ */
/* Hide the j-calculator's internal period toggle and min/max display (we replace it) */
#calculator-section .j-calculator .currency-period .radio-block,
#calculator-section .j-calculator .period {
  display: none !important;
}

/* Keep j-calculator usable but more aligned with design */
#calculator-section .j-calculator .calc-block {
  border-radius: 14px;
  border: 1px solid var(--ahcalc-slate-200);
  background: rgba(255, 255, 255, 0.7);
}

#calculator-section .j-calculator .calculator-right .currency-period {
  margin-top: 0.5rem;
}

/* Style the language icons row */
#calculator-section .j-calculator .language-icons,
#calculator-section .j-calculator .lang-icons {
  background: rgba(2, 6, 23, 0.03);
  border-radius: 10px;
  padding: 0.5rem;
  margin-top: 0.5rem;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 960px) {
  #tbox-app-hosting-configurator {
    padding: 0 0.5rem;
  }

  .tbox-ahcalc-grid {
    grid-template-columns: 1fr;
  }

  .tbox-ahcalc-pricing-sidebar {
    position: relative;
    top: 0;
    order: -1;
  }

  .tbox-ahcalc-pricing-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding: 1.25rem;
  }

  .tbox-ahcalc-pricing-card .pricing-card-header {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }

  .tbox-ahcalc-pricing-card .pricing-total {
    margin-bottom: 0;
  }

  .tbox-ahcalc-pricing-card .tbox-ahcalc-cta-btn {
    grid-column: 1 / -1;
  }

  .tbox-ahcalc-pricing-card .cta-microcopy {
    grid-column: 1 / -1;
    margin-top: 0.5rem;
  }

  .tbox-ahcalc-pricing-card .pricing-breakdown {
    grid-column: 1 / -1;
    margin-top: 0;
  }

  .tbox-ahcalc-pricing-card .tbox-ahcalc-trust-signals {
    grid-column: 1 / -1;
  }

  .tbox-ahcalc-presets {
    grid-template-columns: 1fr;
  }

  .tbox-ahcalc-estimates {
    grid-template-columns: 1fr;
  }

  .tbox-ahcalc-sticky__inner {
    grid-template-columns: 1fr;
  }

  .tbox-ahcalc-sticky__actions {
    justify-content: flex-start;
  }

  .tbox-ahcalc-rail {
    grid-template-columns: repeat(2, 1fr);
  }

  .tbox-ahcalc-head-controls {
    width: 100%;
    justify-content: flex-start;
  }

  .tbox-ahcalc-advanced-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .tbox-ahcalc-fields-grid {
    grid-template-columns: 1fr;
  }

  .tbox-ahcalc-stack-row {
    flex-direction: column;
    align-items: stretch;
  }

  .tbox-ahcalc-stack-right {
    width: 100%;
    justify-content: space-between;
  }

  .tbox-ahcalc-pricing-card {
    display: block;
    padding: 1.25rem;
  }

  .tbox-ahcalc-pricing-card .pricing-total {
    margin-bottom: 1rem;
  }

  .tbox-ahcalc-pricing-card .pricing-breakdown {
    margin-top: 1rem;
  }

  .tbox-ahcalc-rail {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .tbox-ahcalc-step {
    padding: 0.4rem 0.5rem;
    font-size: 0.8rem;
  }

  .tbox-ahcalc-step .num {
    width: 1.35rem;
    height: 1.35rem;
    font-size: 0.75rem;
  }
}

/* ============================================
   Hide legacy j-calculator UI
   ============================================ */
.tbox-ahcalc-jcalc-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ============================================
   Enhanced Hero Section
   ============================================ */
.tbox-ahcalc-hero-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0c4a6e 100%);
  padding: 3rem 1.5rem 2.5rem;
  margin-bottom: 0;
}

.tbox-ahcalc-hero {
  max-width: 900px;
  margin: 0 auto;
}

.tbox-ahcalc-hero-content h1 {
  font-family: var(--ahcalc-font);
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 0.75rem;
}

.tbox-ahcalc-hero-tagline {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 0.5rem;
  font-weight: 500;
}

.tbox-ahcalc-hero-subtitle {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  margin: 0 0 1.75rem;
}

.tbox-ahcalc-hero-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.tbox-ahcalc-hero-feature {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.tbox-ahcalc-hero-feature .icon {
  width: 24px;
  height: 24px;
  background: rgba(34, 197, 94, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #22c55e;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.tbox-ahcalc-hero-feature strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.125rem;
}

.tbox-ahcalc-hero-feature span {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.4;
}

.tbox-ahcalc-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tbox-ahcalc-hero-badges .badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.375rem 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.85);
}

.tbox-ahcalc-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.tbox-ahcalc-btn--hero-primary {
  background: linear-gradient(135deg, var(--brand-cta), #e07f0a);
  color: #ffffff;
  padding: 0.875rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 800;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.15s ease;
  box-shadow: 0 4px 14px rgba(245, 146, 30, 0.25);
}

.tbox-ahcalc-btn--hero-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(245, 146, 30, 0.35);
}

.tbox-ahcalc-btn--hero-secondary {
  background: transparent;
  color: #ffffff;
  padding: 0.875rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.15s ease;
}

.tbox-ahcalc-btn--hero-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.tbox-ahcalc-hero-microcopy {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

/* ============================================
   Section Navigation
   ============================================ */
.tbox-ahcalc-section-nav {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: #ffffff;
  border-bottom: 1px solid var(--ahcalc-slate-200);
  position: sticky;
  top: var(--header-height-scrolled, 80px);
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.tbox-ahcalc-section-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.tbox-ahcalc-section-nav-inner::-webkit-scrollbar {
  display: none;
}

.tbox-ahcalc-section-nav a {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ahcalc-slate-600);
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.15s ease;
  border-radius: 999px;
}

.tbox-ahcalc-section-nav a:hover {
  color: var(--brand-primary);
  background: rgba(41, 167, 230, 0.08);
}

.tbox-ahcalc-section-nav a.active {
  color: var(--brand-primary-dark);
  background: rgba(41, 167, 230, 0.12);
  font-weight: 600;
}

.tbox-ahcalc-section-nav a:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

/* ============================================
   Preset Enhancements
   ============================================ */
.tbox-ahcalc-preset--recommended {
  position: relative;
  border: 2px solid var(--ahcalc-accent-400);
  background: linear-gradient(145deg, rgba(34, 211, 238, 0.06) 0%, rgba(255, 255, 255, 0.4) 100%);
}

.tbox-ahcalc-preset--recommended .recommended-badge {
  position: absolute;
  top: -10px;
  right: 12px;
  background: var(--ahcalc-accent-500);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.tbox-ahcalc-preset .est-price {
  margin-top: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--ahcalc-slate-200);
  font-family: var(--ahcalc-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ahcalc-accent-600);
}

/* ============================================
   Help Prompt in Sidebar
   ============================================ */
.tbox-ahcalc-help-prompt {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  text-align: center;
}

.tbox-ahcalc-help-prompt p {
  margin: 0 0 0.25rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
}

.tbox-ahcalc-help-prompt span {
  display: block;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.75rem;
}

.tbox-ahcalc-chat-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(34, 211, 238, 0.2);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 6px;
  color: var(--ahcalc-accent-300);
  font-weight: 600;
  font-size: 0.8125rem;
  text-decoration: none;
  transition: all 0.15s ease;
}

.tbox-ahcalc-chat-link:hover {
  background: rgba(34, 211, 238, 0.3);
  border-color: rgba(34, 211, 238, 0.5);
  color: #fff;
}

/* ============================================
   Comparison Section
   ============================================ */
.tbox-ahcalc-comparison-section {
  background: var(--ahcalc-slate-50);
  padding: 4rem 1.5rem;
}

.tbox-ahcalc-comparison-inner,
.tbox-ahcalc-feature-comparison {
  max-width: 1000px;
  margin: 0 auto;
}

.tbox-ahcalc-feature-comparison {
  margin-top: 4rem;
}

.tbox-ahcalc-comparison-section h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--ahcalc-slate-900);
  margin: 0 0 0.5rem;
  text-align: center;
}

.tbox-ahcalc-comparison-subtitle {
  text-align: center;
  color: var(--ahcalc-slate-600);
  font-size: 1rem;
  margin: 0 0 2rem;
}

.tbox-ahcalc-comparison-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -1rem;
  padding: 0 1rem;
}

.tbox-ahcalc-comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.tbox-ahcalc-comparison-table th,
.tbox-ahcalc-comparison-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--ahcalc-slate-100);
}

.tbox-ahcalc-comparison-table th {
  background: var(--ahcalc-slate-800);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.tbox-ahcalc-comparison-table th:first-child {
  border-top-left-radius: 12px;
}

.tbox-ahcalc-comparison-table th:last-child {
  border-top-right-radius: 12px;
}

.tbox-ahcalc-comparison-table td {
  font-size: 0.9375rem;
  color: var(--ahcalc-slate-700);
}

.tbox-ahcalc-comparison-table tr.highlight {
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.08), rgba(34, 211, 238, 0.04));
}

.tbox-ahcalc-comparison-table tr.highlight td {
  color: var(--ahcalc-slate-900);
  font-weight: 500;
}

.tbox-ahcalc-comparison-table tr.highlight td:first-child {
  border-left: 3px solid var(--ahcalc-accent-500);
}

.tbox-ahcalc-comparison-table .check {
  color: #22c55e;
  font-weight: 700;
}

.tbox-ahcalc-comparison-table .price {
  font-family: var(--ahcalc-mono);
  font-weight: 600;
}

.tbox-ahcalc-comparison-footnote {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--ahcalc-slate-500);
  margin: 1.5rem 0 0;
}

/* ============================================
   Social Proof Section
   ============================================ */
.tbox-ahcalc-social-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  padding: 4rem 1.5rem;
}

.tbox-ahcalc-social-inner {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.tbox-ahcalc-social-section h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 2rem;
}

.tbox-ahcalc-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.tbox-ahcalc-stat .value {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--ahcalc-accent-400);
  line-height: 1.1;
}

.tbox-ahcalc-stat .label {
  display: block;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.5rem;
}

.tbox-ahcalc-testimonial {
  max-width: 700px;
  margin: 0 auto 2rem;
}

.tbox-ahcalc-testimonial blockquote {
  margin: 0;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  border-left: 4px solid var(--ahcalc-accent-500);
}

.tbox-ahcalc-testimonial p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  font-style: italic;
  line-height: 1.6;
  margin: 0 0 1rem;
}

.tbox-ahcalc-testimonial footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.tbox-ahcalc-testimonial cite {
  font-style: normal;
  font-weight: 700;
  color: #ffffff;
}

.tbox-ahcalc-testimonial footer span {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

.tbox-ahcalc-social-tagline {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.4);
  margin: 0;
}

/* ============================================
   Features Section
   ============================================ */
.tbox-ahcalc-features-section {
  background: #ffffff;
  padding: 4rem 1.5rem;
}

.tbox-ahcalc-features-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.tbox-ahcalc-features-section h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--ahcalc-slate-900);
  margin: 0 0 0.5rem;
}

.tbox-ahcalc-features-section h4 {
  font-size: 1rem;
  font-weight: 500;
  color: var(--ahcalc-slate-600);
  margin: 0 0 2.5rem;
}

.tbox-ahcalc-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: left;
  margin-bottom: 1.5rem;
}

.tbox-ahcalc-feature-card {
  padding: 1.5rem;
  background: var(--ahcalc-slate-50);
  border: 1px solid var(--ahcalc-slate-200);
  border-radius: 12px;
  transition: all 0.15s ease;
}

.tbox-ahcalc-feature-card:hover {
  border-color: var(--ahcalc-accent-300);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.tbox-ahcalc-feature-card .icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.tbox-ahcalc-feature-card h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ahcalc-slate-900);
  margin: 0 0 0.5rem;
}

.tbox-ahcalc-feature-card p {
  font-size: 0.875rem;
  color: var(--ahcalc-slate-600);
  line-height: 1.5;
  margin: 0;
}

.tbox-ahcalc-features-toggle {
  background: transparent;
  border: 1px solid var(--ahcalc-slate-300);
  color: var(--ahcalc-slate-700);
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tbox-ahcalc-features-toggle:hover {
  background: var(--ahcalc-slate-100);
  border-color: var(--ahcalc-slate-400);
}

.tbox-ahcalc-features-expanded {
  margin-top: 1.5rem;
}

/* ============================================
   How it Works / FAQ Section
   ============================================ */
.tbox-ahcalc-howitworks-section {
  background: var(--ahcalc-slate-50);
  padding: 4rem 1.5rem;
}

.tbox-ahcalc-tabs {
  max-width: 900px;
  margin: 0 auto;
}

.tbox-ahcalc-tab-buttons {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--ahcalc-slate-200);
  margin-bottom: 2rem;
}

.tbox-ahcalc-tab-buttons button {
  flex: 1;
  padding: 1rem 1.5rem;
  background: transparent;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ahcalc-slate-600);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.15s ease;
}

.tbox-ahcalc-tab-buttons button:hover {
  color: var(--ahcalc-slate-900);
}

.tbox-ahcalc-tab-buttons button[aria-selected="true"] {
  color: var(--ahcalc-accent-600);
  border-bottom-color: var(--ahcalc-accent-500);
}

.tbox-ahcalc-howitworks-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.tbox-ahcalc-howitworks-item {
  padding: 1.5rem;
  background: #ffffff;
  border: 1px solid var(--ahcalc-slate-200);
  border-radius: 12px;
}

.tbox-ahcalc-howitworks-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ahcalc-slate-900);
  margin: 0 0 0.75rem;
}

.tbox-ahcalc-howitworks-item p {
  font-size: 0.9375rem;
  color: var(--ahcalc-slate-600);
  line-height: 1.6;
  margin: 0;
}

.tbox-ahcalc-link {
  display: inline-block;
  margin-top: 0.75rem;
  color: var(--ahcalc-accent-600);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
}

.tbox-ahcalc-link:hover {
  text-decoration: underline;
}

.tbox-ahcalc-faq-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tbox-ahcalc-faq-item {
  background: #ffffff;
  border: 1px solid var(--ahcalc-slate-200);
  border-radius: 10px;
  overflow: hidden;
}

.tbox-ahcalc-faq-item summary {
  padding: 1.25rem;
  font-weight: 600;
  color: var(--ahcalc-slate-900);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tbox-ahcalc-faq-item summary::-webkit-details-marker {
  display: none;
}

.tbox-ahcalc-faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--ahcalc-slate-400);
  transition: transform 0.15s ease;
}

.tbox-ahcalc-faq-item[open] summary::after {
  transform: rotate(45deg);
}

.tbox-ahcalc-faq-item p {
  padding: 0 1.25rem 1.25rem;
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ahcalc-slate-600);
  line-height: 1.6;
}

/* ============================================
   Final CTA Section
   ============================================ */
.tbox-ahcalc-final-cta-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  padding: 4rem 1.5rem;
  text-align: center;
}

.tbox-ahcalc-final-cta-inner {
  max-width: 700px;
  margin: 0 auto;
}

.tbox-ahcalc-final-cta-section h2 {
  font-size: 2rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 0.75rem;
}

.tbox-ahcalc-final-cta-section > .tbox-ahcalc-final-cta-inner > p:not(.tbox-ahcalc-final-cta-microcopy) {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
  margin: 0 0 2rem;
}

.tbox-ahcalc-final-cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.tbox-ahcalc-btn--final-primary {
  background: linear-gradient(135deg, var(--brand-cta), #e07f0a);
  color: #ffffff;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 800;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.15s ease;
  box-shadow: 0 4px 14px rgba(245, 146, 30, 0.25);
}

.tbox-ahcalc-btn--final-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 146, 30, 0.35);
}

.tbox-ahcalc-btn--final-secondary {
  background: transparent;
  color: #ffffff;
  padding: 1rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.15s ease;
}

.tbox-ahcalc-btn--final-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.tbox-ahcalc-final-cta-microcopy {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.4;
  margin: 0;
}

/* ============================================
   Theme specificity overrides
   The base theme applies #content div/p rules that override component typography.
   Scope fixes to calculator + injected sections only.
   ============================================ */

#tbox-app-hosting-configurator .tbox-ahcalc-subtitle {
  color: var(--ahcalc-slate-600);
  line-height: 1.45;
}

#tbox-app-hosting-configurator .tbox-ahcalc-step {
  color: var(--ahcalc-slate-700);
  font-size: 0.9rem;
}

#tbox-app-hosting-configurator .tbox-ahcalc-stack-name {
  color: var(--ahcalc-slate-900);
}

#tbox-app-hosting-configurator .tbox-ahcalc-stack-meta {
  font-size: 0.78rem;
  color: var(--ahcalc-slate-600);
}

#tbox-app-hosting-configurator .tbox-ahcalc-hint,
#tbox-app-hosting-configurator .tbox-ahcalc-foot {
  font-size: 0.86rem;
  line-height: 1.35;
  color: var(--ahcalc-slate-600);
}

#tbox-app-hosting-configurator .tbox-ahcalc-pricing-card {
  color: #ffffff;
}

#tbox-app-hosting-configurator .tbox-ahcalc-pricing-card .pricing-card-header {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
}

#tbox-app-hosting-configurator .tbox-ahcalc-pricing-card .cta-microcopy {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

#tbox-app-hosting-configurator .tbox-ahcalc-pricing-card .pricing-breakdown-title {
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.4);
}

#tbox-app-hosting-configurator .tbox-ahcalc-pricing-card .pricing-row {
  font-size: 0.8125rem;
}

#tbox-app-hosting-configurator .tbox-ahcalc-help-prompt p {
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.4;
}

#comparison-section .tbox-ahcalc-comparison-subtitle {
  color: var(--ahcalc-slate-600);
  line-height: 1.45;
}

#comparison-section .tbox-ahcalc-comparison-footnote {
  color: var(--ahcalc-slate-500);
  line-height: 1.45;
}

#content .tbox-ahcalc-social-section .tbox-ahcalc-testimonial p {
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
}

#content .tbox-ahcalc-social-tagline {
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.5;
}

#features-section .tbox-ahcalc-feature-card p {
  color: var(--ahcalc-slate-600);
  line-height: 1.5;
}

#howitworks-section .tbox-ahcalc-howitworks-item p,
#howitworks-section .tbox-ahcalc-faq-item p {
  color: var(--ahcalc-slate-600);
  line-height: 1.6;
}

#faq-section > .tbox-ahcalc-final-cta-inner > p:not(.tbox-ahcalc-final-cta-microcopy) {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

#faq-section .tbox-ahcalc-final-cta-microcopy {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.4;
}

@media (max-width: 600px) {
  #tbox-app-hosting-configurator .tbox-ahcalc-step {
    font-size: 0.8rem;
  }
}

/* ============================================
   Responsive - New Sections
   ============================================ */
@media (max-width: 960px) {
  .tbox-ahcalc-hero-features {
    grid-template-columns: 1fr;
  }

  .tbox-ahcalc-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .tbox-ahcalc-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tbox-ahcalc-howitworks-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .tbox-ahcalc-hero-content h1 {
    font-size: 1.75rem;
  }

  .tbox-ahcalc-hero-tagline {
    font-size: 1rem;
  }

  .tbox-ahcalc-hero-ctas {
    flex-direction: column;
  }

  .tbox-ahcalc-btn--hero-primary,
  .tbox-ahcalc-btn--hero-secondary {
    width: 100%;
    text-align: center;
  }

  .tbox-ahcalc-section-nav a {
    padding: 0.4rem 0.75rem;
    font-size: 0.8125rem;
  }

  .tbox-ahcalc-stats {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .tbox-ahcalc-stat .value {
    font-size: 1.75rem;
  }

  .tbox-ahcalc-features-grid {
    grid-template-columns: 1fr;
  }

  .tbox-ahcalc-comparison-section,
  .tbox-ahcalc-features-section,
  .tbox-ahcalc-howitworks-section,
  .tbox-ahcalc-social-section,
  .tbox-ahcalc-final-cta-section {
    padding: 3rem 1rem;
  }

  .tbox-ahcalc-final-cta-section h2 {
    font-size: 1.5rem;
  }

  .tbox-ahcalc-final-cta-buttons {
    flex-direction: column;
  }

  .tbox-ahcalc-btn--final-primary,
  .tbox-ahcalc-btn--final-secondary {
    width: 100%;
    text-align: center;
  }
}
