.provider-calculator {
  --pc-canvas: #f5f9ff;
  --pc-surface: #fff;
  --pc-muted: #eff6ff;
  --pc-ink: #12233f;
  --pc-soft: #475569;
  --pc-line: #cbd5e1;
  --pc-blue: #3b82f6;
  --pc-blue-dark: #2563eb;
  --pc-green: #059669;
  --pc-green-pale: #ecfdf5;
  --pc-radius: 16px;
  width: min(calc(100% - 40px), 1180px);
  margin: 28px auto 58px;
  color: var(--pc-ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

.provider-calculator *,
.provider-calculator *::before,
.provider-calculator *::after { box-sizing: border-box; }
.provider-calculator a { color: var(--pc-blue-dark); text-underline-offset: 3px; }
.provider-calculator button,
.provider-calculator input,
.provider-calculator select { font: inherit; }
.provider-calculator button { cursor: pointer; }
.provider-calculator__shell { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 16px; align-items: start; }
.provider-calculator__form,
.provider-calculator__result { min-width: 0; border: 1px solid var(--pc-line); border-radius: var(--pc-radius); background: var(--pc-surface); box-shadow: 0 4px 16px rgba(15, 23, 42, .05); }
.provider-calculator__form { padding: 26px; }
.provider-calculator__result { padding: 26px; background: linear-gradient(135deg, #fff, #f8fbff); }
.provider-calculator__form-head { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.provider-calculator__form-head h2,
.provider-calculator__section-heading h2 { margin: 0; color: var(--pc-ink); font-size: clamp(23px, 3vw, 31px); line-height: 1.12; letter-spacing: -.035em; }
.provider-calculator__form-head p:last-child,
.provider-calculator__section-heading p:last-child { margin: 6px 0 0; color: var(--pc-soft); font-size: 14px; }
.provider-calculator__eyebrow { margin: 0 0 8px; color: var(--pc-blue-dark); font-size: 12px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.provider-calculator__field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 18px; }
.provider-calculator__field-grid--model { margin-bottom: 19px; }
.provider-calculator__field { display: grid; gap: 6px; min-width: 0; }
.provider-calculator__field--wide { grid-column: 1 / -1; }
.provider-calculator__field label,
.provider-calculator__fieldset legend { color: var(--pc-ink); font-size: 13px; font-weight: 760; }
.provider-calculator__field input:not([type="checkbox"]),
.provider-calculator__field select { width: 100%; min-height: 42px; padding: 8px 10px; border: 1px solid var(--pc-line); border-radius: 8px; color: var(--pc-ink); background: #fff; }
.provider-calculator__field input:not([type="checkbox"]):focus,
.provider-calculator__field select:focus { border-color: var(--pc-blue); outline: 2px solid rgba(59, 130, 246, .18); }
.provider-calculator__field input[aria-invalid="true"] { border-color: #dc2626; outline: 2px solid rgba(220, 38, 38, .12); }
.provider-calculator__field input[type="checkbox"] { width: 16px; height: 16px; margin: 0 7px 0 0; vertical-align: -3px; accent-color: var(--pc-blue); }
.provider-calculator__field small,
.provider-calculator__field-help,
.provider-calculator__region-note,
.provider-calculator__privacy,
.provider-calculator__assumption-line { color: var(--pc-soft); font-size: 12px; }
.provider-calculator__fieldset { margin: 0 0 20px; padding: 0; border: 0; }
.provider-calculator__fieldset legend { margin-bottom: 11px; padding: 0; font-size: 15px; }
.provider-calculator__field-help { margin: -3px 0 13px; }
.provider-calculator__region-note { margin: 14px 0 0; padding: 11px 13px; border-left: 3px solid #93c5fd; background: var(--pc-muted); }
.provider-calculator__rate-meta { display: flex; flex-wrap: wrap; gap: 6px 10px; margin: 9px 0 0; color: var(--pc-soft); font-size: 11px; }
.provider-calculator__rate-meta span,
.provider-calculator__rate-meta a { overflow-wrap: anywhere; }
.provider-calculator__rate-meta span:not([data-rate-note])::after { content: "·"; margin-left: 10px; color: #94a3b8; }
.provider-calculator__rate-meta span:last-child::after { content: ""; }
.provider-calculator__rate-meta [data-rate-note] { flex-basis: 100%; }
.provider-calculator__custom-rates { margin: 4px 0 20px; border: 1px solid #dbeafe; border-radius: 10px; background: #f8fbff; }
.provider-calculator__custom-rates summary { padding: 11px 13px; color: var(--pc-blue-dark); cursor: pointer; font-size: 13px; font-weight: 760; }
.provider-calculator__custom-rates > .provider-calculator__field-grid { padding: 0 13px 14px; }
.provider-calculator__assumptions { margin: 18px 0 0; padding: 14px; border: 1px solid #bfdbfe; border-radius: 10px; background: #f8fbff; }
.provider-calculator__assumptions strong { font-size: 13px; }
.provider-calculator__assumptions p { margin: 4px 0 0; color: var(--pc-soft); font-size: 12px; }
.provider-calculator__assumptions p:last-child { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 9px; }
.provider-calculator__source-line { display: flex; flex-wrap: wrap; gap: 9px; margin: 14px 0 0; font-size: 12px; }
.provider-calculator__error { margin: 18px 0 0; padding: 10px 12px; border-radius: 8px; color: #991b1b; background: #fef2f2; font-size: 13px; }
.provider-calculator__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 20px; }
.provider-calculator .button { display: inline-flex; min-height: 42px; align-items: center; justify-content: center; gap: 8px; padding: 9px 16px; border: 1px solid transparent; border-radius: 9px; color: #fff; background: var(--pc-blue); box-shadow: 0 5px 10px rgba(59, 130, 246, .16); font-size: 14px; font-weight: 760; }
.provider-calculator .button:hover { background: var(--pc-blue-dark); }
.provider-calculator__result-top { display: flex; align-items: start; justify-content: space-between; gap: 14px; }
.provider-calculator__result-label { margin: 0; font-size: 15px; font-weight: 800; }
.provider-calculator__result-total { margin: 3px 0 0; color: var(--pc-green); font-size: clamp(37px, 4vw, 53px); font-weight: 850; line-height: 1; letter-spacing: -.05em; }
.provider-calculator__status { min-height: 38px; margin: 8px 0 0; color: var(--pc-soft); font-size: 12px; }
.provider-calculator__pill { display: inline-flex; max-width: 50%; padding: 7px 10px; overflow-wrap: anywhere; border: 1px solid #a7f3d0; border-radius: 999px; color: #047857; background: var(--pc-green-pale); font-size: 12px; font-weight: 750; }
.provider-calculator__metrics,
.provider-calculator__comparison-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 11px; margin: 20px 0; }
.provider-calculator__metrics > div,
.provider-calculator__comparison { min-width: 0; padding: 13px; border: 1px solid #e2e8f0; border-radius: 10px; background: #fff; }
.provider-calculator__metrics strong,
.provider-calculator__comparison strong { display: block; overflow-wrap: anywhere; font-size: 21px; letter-spacing: -.03em; }
.provider-calculator__metrics span,
.provider-calculator__comparison span { display: block; margin-top: 3px; color: var(--pc-soft); font-size: 11px; }
.provider-calculator__comparison-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0 0 21px; }
.provider-calculator--openrouter .provider-calculator__comparison-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.provider-calculator__comparison strong { color: var(--pc-blue-dark); }
.provider-calculator__breakdown-title { margin: 0 0 9px; font-size: 15px; font-weight: 800; }
.provider-calculator__breakdown { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.provider-calculator__breakdown > div { display: flex; justify-content: space-between; gap: 9px; padding: 9px 10px; border: 1px solid #e2e8f0; border-radius: 8px; color: var(--pc-soft); font-size: 12px; }
.provider-calculator__breakdown strong { color: var(--pc-ink); font-size: 13px; }
.provider-calculator__result-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.provider-calculator__result-actions button { min-height: 36px; padding: 6px 12px; border: 1px solid var(--pc-line); border-radius: 8px; color: var(--pc-ink); background: #fff; font-size: 13px; font-weight: 700; }
.provider-calculator__result-actions button:hover { background: var(--pc-muted); }
.provider-calculator__modality-section { margin-top: 42px; }
.provider-calculator__section-heading { max-width: 740px; margin-bottom: 18px; }
.provider-calculator__modality-section .provider-calculator__form { margin-top: 0; }
.provider-calculator__modality-form + .provider-calculator__result { margin-top: 16px; }
.provider-calculator--modality .provider-calculator__shell { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.provider-calculator__modality-note { min-height: 47px; margin-top: 16px; padding: 11px 13px; border-left: 3px solid #93c5fd; color: var(--pc-soft); background: var(--pc-muted); font-size: 12px; }
.provider-calculator__assumption-line { margin: 3px 0 0; }

@media (max-width: 880px) {
  .provider-calculator { width: min(calc(100% - 28px), 760px); }
  .provider-calculator__shell,
  .provider-calculator--modality .provider-calculator__shell { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .provider-calculator { width: min(calc(100% - 28px), 1180px); margin-top: 19px; }
  .provider-calculator__form,
  .provider-calculator__result { padding: 18px; }
  .provider-calculator__field-grid,
  .provider-calculator__metrics,
  .provider-calculator__comparison-grid,
  .provider-calculator--openrouter .provider-calculator__comparison-grid { grid-template-columns: 1fr; gap: 12px; }
  .provider-calculator__breakdown { grid-template-columns: 1fr; }
  .provider-calculator__pill { max-width: 45%; }
  .provider-calculator__form-head h2,
  .provider-calculator__section-heading h2 { font-size: 25px; }
  .provider-calculator__metrics > div,
  .provider-calculator__comparison { padding: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  .provider-calculator *,
  .provider-calculator *::before,
  .provider-calculator *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}