.calculator-component {
  --calc-border: #dee2e6;
  --calc-muted: #6c757d;
  --calc-subtle: #f8f9fa;
  --calc-error: #d32f2f;
  position: relative;
  width: 100%;
  max-width: 700px;
  margin: 0 auto 40px;
  padding: 30px;
  border: 1px solid var(--calc-border);
  border-radius: 6px;
  background: #fff;
  color: #212529;
  box-shadow: 0 2px 4px rgba(0, 0, 0, .04), 0 1px 2px rgba(0, 0, 0, .06);
  font-size: 16px;
  line-height: 1.5;
}

.calculator-component *,
.calculator-component *::before,
.calculator-component *::after {
  box-sizing: border-box;
}

.calculator-component button,
.calculator-component input,
.calculator-component select,
.calculator-component textarea { font: inherit; }
.calculator-component [hidden] { display: none !important; }
.calculator-component .calculator-title { margin: 0 0 25px; color: #000; font-size: 22px; font-weight: 700; line-height: 1.3; text-align: center; }
.calculator-component .calc-row { display: flex; flex-wrap: wrap; gap: 15px; margin-bottom: 15px; }
.calculator-component .calc-field { display: flex; flex: 1 1 200px; flex-direction: column; min-width: 0; }
.calculator-component .calc-field > label { margin-bottom: 5px; color: var(--calc-muted); font-size: 13px; font-weight: 600; text-transform: uppercase; }
.calculator-component .calc-field select,
.calculator-component .calc-field textarea,
.calculator-component .calc-field input[type="text"],
.calculator-component .calc-field input[type="tel"] { width: 100%; padding: 10px 12px; border: 1px solid var(--calc-border); border-radius: 6px; outline: none; background: #fff; color: #212529; font-size: 15px; transition: border-color .2s, box-shadow .2s; }
.calculator-component .calc-field textarea { min-height: 90px; resize: vertical; }
.calculator-component .calc-field select:focus,
.calculator-component .calc-field textarea:focus,
.calculator-component .calc-field input:focus { border-color: #000; box-shadow: 0 0 0 3px rgba(0, 0, 0, .06); }
.calculator-component .calc-field .is-invalid { border-color: var(--calc-error) !important; }
.calculator-component .model-card { margin-bottom: 20px; padding: 20px; border: 1px solid var(--calc-border); border-radius: 6px; background: var(--calc-subtle); animation: calcFadeIn .3s ease; }
.calculator-component .model-card__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding-bottom: 15px; margin-bottom: 10px; border-bottom: 2px solid #000; }
.calculator-component .model-card__name,
.calculator-component .model-card__price { color: #000; font-size: 20px; font-weight: 700; }
.calculator-component .model-card__price { white-space: nowrap; }
.calculator-component .model-card__tagline { margin-top: 3px; color: var(--calc-muted); font-size: 13px; }
.calculator-component .spec-row { display: flex; gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--calc-border); font-size: 14px; }
.calculator-component .spec-row:last-child { border-bottom: 0; }
.calculator-component .spec-row dt { flex: 0 0 190px; color: var(--calc-muted); font-weight: 600; }
.calculator-component .spec-row dd { flex: 1; min-width: 0; margin: 0; color: #000; line-height: 1.4; overflow-wrap: anywhere; }
.calculator-component .calc-checkboxes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 5px; }
.calculator-component .calc-checkboxes label,
.calculator-component .modal__checkboxes label { display: flex; align-items: flex-start; gap: 8px; color: #212529; font-size: 13px; font-weight: 400; cursor: pointer; }
.calculator-component .calc-checkboxes input[type="checkbox"],
.calculator-component .modal__checkboxes input[type="checkbox"] { flex: 0 0 18px; width: 18px; height: 18px; margin: 1px 0 0; accent-color: #000; cursor: pointer; }
.calculator-component #doorExtrasHint { color: var(--calc-muted); font-weight: 400; text-transform: none; }
.calculator-component .calc-result { margin-bottom: 20px; padding: 20px; border: 1px solid var(--calc-border); border-radius: 6px; background: var(--calc-subtle); text-align: center; }
.calculator-component .calc-result > span { display: block; margin-bottom: 5px; color: var(--calc-muted); font-size: 13px; text-transform: uppercase; }
.calculator-component .calc-result strong { display: block; color: #000; font-size: 32px; font-weight: 800; line-height: 1.25; }
.calculator-component .calc-breakdown,
.calculator-component .calc-note { margin-top: 10px; color: var(--calc-muted); font-size: 13px; line-height: 1.5; }
.calculator-component .calc-buttons,
.calculator-component .modal__actions { display: flex; gap: 12px; }
.calculator-component .calc-btn { display: inline-flex; flex: 1; align-items: center; justify-content: center; min-height: 48px; padding: 12px 16px; border: 1px solid #000; border-radius: 6px; font-size: 15px; font-weight: 600; line-height: 1.3; text-align: center; cursor: pointer; transition: background-color .2s, color .2s, border-color .2s; }
.calculator-component .calc-btn-primary { background: #000; color: #fff; }
.calculator-component .calc-btn-primary:hover { background: #333; }
.calculator-component .calc-btn-secondary { background: #fff; color: #000; }
.calculator-component .calc-btn-secondary:hover { background: #f0f0f0; }
.calculator-component .calc-note { text-align: center; }
.calculator-component .required-mark,
.calculator-component .field-error { color: var(--calc-error); }
.calculator-component .field-error { display: none; margin-top: 4px; font-size: 12px; }
.calculator-component .field-error.is-visible { display: block; }
.calculator-component .calculator-modal-overlay { position: fixed; inset: 0; z-index: 10000; display: flex; align-items: center; justify-content: center; padding: 20px; background: rgba(0, 0, 0, .55); opacity: 0; transition: opacity .2s ease; }
.calculator-component .calculator-modal-overlay.is-open { opacity: 1; }
.calculator-component .calculator-modal { position: relative; width: 100%; max-width: 480px; max-height: 90vh; padding: 30px; overflow-y: auto; border-radius: 6px; background: #fff; box-shadow: 0 10px 40px rgba(0, 0, 0, .15); transform: translateY(8px); transition: transform .2s ease; }
.calculator-component .calculator-modal-overlay.is-open .calculator-modal { transform: translateY(0); }
.calculator-component .modal__close { position: absolute; top: 10px; right: 10px; display: grid; width: 36px; height: 36px; place-items: center; border: 0; border-radius: 50%; background: transparent; color: var(--calc-muted); font-size: 22px; cursor: pointer; }
.calculator-component .modal__close:hover { background: var(--calc-subtle); color: #000; }
.calculator-component .modal__title,
.calculator-component .modal__success-title { margin: 0 30px 6px 0; color: #000; font-size: 20px; font-weight: 700; line-height: 1.3; }
.calculator-component .modal__subtitle,
.calculator-component .modal__success-text { margin: 0 0 20px; color: var(--calc-muted); font-size: 13px; line-height: 1.5; }
.calculator-component .modal__order-summary { margin-bottom: 20px; padding: 14px 16px; border: 1px solid var(--calc-border); border-radius: 6px; background: var(--calc-subtle); font-size: 14px; }
.calculator-component .modal__checkboxes { display: flex; flex-direction: column; gap: 10px; margin: 16px 0 20px; }
.calculator-component .modal__checkboxes a { color: #000; text-decoration: underline; text-underline-offset: 2px; }
.calculator-component .calculator-form-message { margin: 0 0 12px; color: var(--calc-error); font-size: 13px; }
.calculator-component .modal__success { padding: 20px 0; text-align: center; }
.calculator-component .modal__success-icon { display: grid; width: 56px; height: 56px; margin: 0 auto 16px; place-items: center; border-radius: 50%; background: #000; color: #fff; font-size: 28px; }
.calculator-component .modal__success-title { margin-right: 0; }
@media (max-width: 560px) {
  .calculator-component { padding: 20px; }
  .calculator-component .calc-row,
  .calculator-component .calc-buttons,
  .calculator-component .modal__actions { flex-direction: column; }
  .calculator-component .calc-checkboxes { grid-template-columns: 1fr; }
  .calculator-component .model-card { padding: 15px; }
  .calculator-component .spec-row { flex-direction: column; gap: 2px; }
  .calculator-component .spec-row dt { flex-basis: auto; }
  .calculator-component .calculator-modal { padding: 24px 20px; }
}
@keyframes calcFadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }