/* Страница /raschety/katet/: калькулятор катета углового шва и текст.
   Отдельный файл, как у остальных калькуляторов: styles.css грузят все
   страницы сайта, а эта вёрстка нужна одной. Токены — переменные :root из
   styles.css; эскиз — assets/css/weld-sketch.css. Префикс классов — rk-. */

.rk-hero {
  padding: 20px clamp(18px, 4vw, 54px) 6px;
}

.rk-hero h1 {
  margin: 4px 0 8px;
  font-size: clamp(28px, 2.6vw + 10px, 40px);
  line-height: 1.15;
  color: var(--blue-dark);
}

.rk-lead {
  margin: 0 0 10px;
  max-width: 820px;
  color: var(--muted);
}

.rk-calc-host {
  padding: 10px clamp(18px, 4vw, 54px) 0;
}

.rk-nojs {
  margin: 0;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--soft);
  color: var(--muted);
}

.rk-calc {
  max-width: 1120px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--soft);
}

/* Поля слева, эскиз и результат справа; на телефоне — одной колонкой. */
.rk-layout {
  display: grid;
  grid-template-columns: minmax(250px, 330px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.rk-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.rk-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.rk-field label {
  font-size: 14px;
  color: var(--muted);
}

.rk-field input,
.rk-field select {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  font-size: 17px;
}

.rk-field input:focus,
.rk-field select:focus,
.rk-check input:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -1px;
}

.rk-field.is-invalid input {
  border-color: var(--amber-dark);
  background: var(--amber-soft);
}

.rk-hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
}

.rk-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.45;
  color: var(--ink);
  cursor: pointer;
}

.rk-check input {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin: 1px 0 0;
}

.rk-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.rk-sketch,
.rk-result {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.rk-result h3 {
  margin: 14px 0 8px;
  font-size: 16px;
  color: var(--ink);
}

.rk-result h3:first-child {
  margin-top: 0;
}

.rk-list {
  display: grid;
  grid-template-columns: minmax(150px, max-content) 1fr;
  align-items: baseline;
  gap: 6px 18px;
  margin: 0;
}

.rk-list dt {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.rk-list dd {
  margin: 0;
  color: var(--ink);
  line-height: 1.5;
}

.rk-list dd strong {
  font-size: 19px;
  color: var(--blue-dark);
}

.rk-msg {
  color: var(--ink);
  font-size: 15px;
}

.rk-sub {
  display: block;
  font-size: 13px;
  color: var(--muted);
}

.rk-line {
  display: block;
}

.rk-ok {
  color: var(--blue-dark);
  font-weight: 700;
}

.rk-bad {
  color: var(--amber-dark);
  font-weight: 700;
}

.rk-code {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.rk-k-source {
  margin: -4px 0 8px;
}

.rk-swap {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--blue-dark);
}

.rk-warn,
.rk-error {
  margin: 12px 0 0;
  padding: 10px 14px;
  border: 1px solid var(--amber);
  border-radius: 8px;
  background: var(--amber-soft);
  color: var(--amber-dark);
  font-size: 15px;
  line-height: 1.5;
}

.rk-error {
  margin: 0;
}

.rk-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.rk-shov {
  margin: 14px 0 0;
}

.rk-shov-link {
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid var(--blue);
  border-radius: 999px;
  color: var(--blue-dark);
  font-weight: 700;
  text-decoration: none;
}

.rk-shov-link:hover,
.rk-shov-link:focus-visible {
  background: var(--soft);
}

.rk-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}

.rk-actions [hidden] {
  display: none !important;
}

.rk-action {
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--blue-dark);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.rk-action-link {
  display: inline-block;
  text-decoration: none;
}

.rk-action-status {
  font-size: 13px;
  color: var(--muted);
}

.rk-print-only {
  display: none;
}

/* --- текст --- */

.rk-text {
  max-width: 900px;
  padding: 24px clamp(18px, 4vw, 54px) 56px;
}

.rk-text h2 {
  margin: 32px 0 12px;
  color: var(--blue-dark);
}

.rk-text h3 {
  margin: 22px 0 8px;
  font-size: 17px;
  color: var(--ink);
}

.rk-text p,
.rk-text li {
  line-height: 1.65;
}

.rk-table-wrap {
  overflow-x: auto;
}

.rk-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.rk-table-narrow {
  max-width: 520px;
}

.rk-table caption {
  caption-side: bottom;
  padding-top: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  text-align: left;
}

.rk-table th,
.rk-table td {
  padding: 8px 10px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.rk-table td {
  text-align: center;
}

.rk-table thead th {
  background: var(--soft);
  color: var(--blue-dark);
}

.rk-figure {
  margin: 16px 0 0;
}

.rk-figure img {
  display: block;
  width: 100%;
  max-width: 560px;
  height: auto;
}

.rk-figure figcaption {
  max-width: 560px;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.rk-faq-item h3 {
  margin: 20px 0 6px;
}

@media (max-width: 860px) {
  .rk-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .rk-calc {
    padding: 14px;
  }

  .rk-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .rk-list dd {
    margin-bottom: 8px;
  }

  .rk-table {
    font-size: 14px;
  }

  .rk-table th,
  .rk-table td {
    padding: 7px 6px;
  }
}

@media print {
  /* Печатается результат с эскизом текущего вида: без шапки, подвала,
     формы, кнопок и текста страницы, но с исходными данными и адресом. */
  .site-header,
  .site-footer,
  .breadcrumbs,
  .rk-hero,
  .rk-form,
  .rk-actions,
  .rk-text,
  .rk-shov {
    display: none !important;
  }

  .rk-layout {
    display: block;
  }

  .rk-print-only {
    display: block;
    margin: 0 0 10px;
    font-size: 12px;
  }

  .rk-calc,
  .rk-sketch,
  .rk-result {
    border: 0;
    padding: 0;
    background: transparent;
  }

  .rk-sketch {
    max-width: 120mm;
    margin-bottom: 6mm;
  }

  .rk-calc-host {
    padding: 0;
  }
}