/* Усі стилі модуля обмежені класом .window-calculator. */
.window-calculator {
  box-sizing:border-box;
  width:100%;
  min-width:0;
  border:1px solid var(--color-light-gray);
  border-top:5px solid var(--color-accent-red);
  border-radius:8px;
  /* Фон из общей переменной сайта. */
  background:var(--color-light-gray);
  overflow:hidden;
  font-size:16px;
  line-height:1.45;
  color:var(--color-dark-gray);
  font-family:inherit;
}

.window-calculator * {
  box-sizing:border-box
}
.window-calculator header {
  padding:28px 32px 22px;
  border-bottom:1px solid white
}

.window-calculator .cw-title {
  font-size:clamp(24px,4vw,32px);
  line-height:1.2;
  margin:0 0 12px;
  font-weight:700
}
.window-calculator p {
  margin:0
}
.window-calculator .cw-intro {
  max-width:600px;
  font-size:15px
}

.window-calculator form {
  padding:0 32px 28px
}
.window-calculator fieldset {
  padding:24px 0;
  margin:0;
  min-width:0;
  border:0;
  border-bottom:1px solid white
}

.window-calculator legend {
  float:left;
  width:100%;
  padding:0;
  margin:0 0 16px;
  font-size:18px;
  font-weight:700
}
.window-calculator legend + * {
  clear:both
}

.window-calculator .cw-size-title {
  color:var(--color-accent-red);
  font-size:21px;
  letter-spacing:.02em
}
.window-calculator .cw-number {
  display:inline-grid;
  place-items:center;
  border:1px solid var(--color-accent-red);
  border-radius:50%;
  width:29px;
  height:29px;
  margin-right:9px;
  font-size:15px
}

.window-calculator .cw-grid {
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:16px 24px
}
.window-calculator .cw-wide {
  grid-column:1/-1
}

.window-calculator label.cw-field {
  display:block;
  font-weight:600;
  font-size:15px
}
.window-calculator .cw-unit {
  font-weight:400;
  font-size:13px;
  margin-left:4px
}
.window-calculator input:not([type=radio]),.window-calculator select,.window-calculator textarea {
  display:block;
  width:100%;
  min-width:0;
  margin-top:7px;
  padding:11px 13px;
  border:1px solid #888;
  border-radius:4px;
  background:white;
  color:var(--color-dark-gray);
  font:inherit;
  font-weight:400;
  min-height:46px
}

.window-calculator input::placeholder,.window-calculator textarea::placeholder {
  color:#777
}
.window-calculator textarea {
  resize:vertical;
  min-height:112px
}
.window-calculator select {
  padding-right:28px;
  white-space:normal
}

.window-calculator :focus-visible {
  outline:3px solid var(--color-dark-gray);
  outline-offset:3px
}
.window-calculator .cw-error {
  display:block;
  min-height:0;
  font-size:13px;
  color:#a90000;
  font-weight:400;
  margin-top:5px
}
.window-calculator .cw-error:empty {
  display:none
}
.window-calculator [aria-invalid=true] {
  border:2px solid #b00000!important
}

.window-calculator .cw-options {
  display:grid;
  gap:8px
}
.window-calculator .cw-choice {
  display:flex;
  align-items:flex-start;
  gap:10px;
  min-height:40px;
  padding:8px 0;
  cursor:pointer
}
.window-calculator input[type=radio] {
  width:20px;
  height:20px;
  margin:1px 0 0;
  flex-shrink:0;
  accent-color:var(--color-accent-red)
}
.window-calculator .cw-comment {
  margin-top:18px
}
.window-calculator .cw-contact-note {
  font-size:13px;
  margin-bottom:17px
}

.window-calculator .cw-actions {
  padding-top:24px
}
.window-calculator button {
  cursor:pointer;
  min-height:48px;
  border-radius:4px;
  font:inherit;
  font-weight:700
}
.window-calculator .cw-primary {
  width:100%;
  border:1px solid var(--color-accent-red);
  background:var(--color-accent-red);
  color:white;
  text-shadow:0 1px 2px #650000;
  font-size:19px;
  padding:12px 20px
}
.window-calculator .cw-primary:hover {
  background:#d90000;
  border-color:#d90000
}
.window-calculator .cw-secondary {
  width:100%;
  border:1px solid var(--color-dark-gray);
  background:white;
  color:var(--color-dark-gray);
  padding:12px 18px;
  margin-top:12px
}

.window-calculator .cw-result {
  background:white;
  border:1px solid var(--color-light-gray);
  border-left:4px solid var(--color-accent-red);
  border-radius:4px;
  padding:18px;
  margin-top:18px
}
.window-calculator .cw-result strong {
  display:block;
  font-size:22px;
  margin-bottom:5px
}
.window-calculator .cw-result p {
  font-size:14px
}
.window-calculator .cw-footnote {
  font-size:12px;
  margin-top:12px;
  line-height:1.5
}
.window-calculator [hidden] {
  display:none!important
}

.window-calculator dialog {
  position:fixed;
  width:calc(100% - 32px);
  max-width:440px;
  max-height:80vh;
  overflow:auto;
  border:0;
  border-top:4px solid var(--color-accent-red);
  border-radius:8px;
  padding:26px;
  color:var(--color-dark-gray);
  box-shadow:0 15px 65px #0003
}
.window-calculator dialog::backdrop {
  background:#0007
}
.window-calculator dialog h2 {
  margin:0 32px 12px 0;
  font-size:22px
}
.window-calculator dialog p {
  font-size:15px
}
.window-calculator .cw-close {
  position:absolute;
  right:8px;
  top:6px;
  width:44px;
  height:44px;
  border:0;
  background:transparent;
  font-size:28px;
  min-height:44px
}
.window-calculator dialog ul {
  padding-left:20px;
  font-size:14px;
  line-height:1.6
}

@media(max-width:480px) {
  .window-calculator header {
  padding:22px 18px
}
.window-calculator form {
  padding:0 18px 22px
}
.window-calculator .cw-grid {
  gap:14px 12px
}
.window-calculator fieldset {
  padding:22px 0
}
.window-calculator .cw-contact-grid {
  grid-template-columns:minmax(0,1fr)
}

}

@media(prefers-reduced-motion:no-preference) {
  .window-calculator button {
  transition:background .15s
}

}

/* Подсказка под комментарием и расшифровка суммы. */
.window-calculator .cw-help { font-size:13px; line-height:1.5; margin-top:8px; }
.window-calculator .cw-help:empty { display:none; }
.window-calculator .cw-breakdown { display:grid; grid-template-columns:minmax(0,1fr) auto; gap:8px 16px; margin:16px 0; }
.window-calculator .cw-breakdown dt, .window-calculator .cw-breakdown dd { margin:0; }
.window-calculator .cw-breakdown dd { text-align:right; }
.window-calculator button:disabled { opacity:.65; cursor:wait; }

/* Убираем линии под заголовками, разделители блоков сохраняем */
.window-calculator legend {
  border-bottom: 0;
}