/* ═══════════════════════════════════════════════════════════════════════════
   Калькулятор кровли — стили интегрированы в тему km
   Всё scoped внутри .roof-calc  ·  v3.0
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Переменные ─────────────────────────────────────────────────────────── */
.roof-calc {
  --c-accent:   #5d0a0c;
  --c-accent2:  #8b1013;
  --c-gold:     #c49a1e;
  --c-gold-bg:  #fff9e6;
  --c-border:   #e2dada;
  --c-bg:       #faf8f7;
  --c-bg2:      #f5f1f0;
  --c-text:     #2e2020;
  --c-muted:    #6b5a5a;
  --c-ok:       #2e7d32;
  --radius:     8px;
  --shadow-sm:  0 2px 8px rgba(0,0,0,.07);
  --shadow-md:  0 4px 20px rgba(0,0,0,.10);
}

/* ─── Вводный абзац ──────────────────────────────────────────────────────── */
.roof-calc__lead {
  font-size: 18px;
  color: var(--c-muted);
  margin-bottom: 8px;
  line-height: 1.6;
}

/* ─── Заголовки шагов — переиспользуем тему ─────────────────────────────── */
.roof-calc .scr_calc__title {
  font-size: 22px;
  margin-top: 36px;
  margin-bottom: 16px;
}
.roof-calc .scr_calc__title:first-child { margin-top: 0; }

/* ─── Информационные подсказки ───────────────────────────────────────────── */
.roof-calc__hint {
  font-size: 16px;
  color: var(--c-muted);
  margin: 0 0 14px;
  line-height: 1.6;
}
.roof-calc__hint--tight { margin-bottom: 8px; }

.roof-calc__hint-box {
  background: var(--c-bg);
  border-left: 4px solid var(--c-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-text);
}
.roof-calc__hint-box p { margin: 0 0 8px; }
.roof-calc__hint-box p:last-child { margin-bottom: 0; }

/* ─── Кнопки-подсказки шага 2 ────────────────────────────────────────────── */
.roof-calc__helper-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  min-height: 0;
}
.roof-calc__helper-btns:empty { display: none; }

/* ─── Навигация по типам кровли ──────────────────────────────────────────── */
.roof-calc__roof-nav.scr_calc__nav { margin-bottom: 28px; }

.roof-calc__roof-nav.scr_calc__nav > li > label {
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 2px solid var(--c-border);
  border-radius: var(--radius);
  padding: 12px 8px 10px;
  background: #fff;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.roof-calc__roof-nav.scr_calc__nav > li > label:hover {
  border-color: var(--c-accent2);
  box-shadow: var(--shadow-sm);
}
.roof-calc__roof-nav.scr_calc__nav > li.current > label {
  border-color: var(--c-accent);
  background: var(--c-bg2);
  box-shadow: var(--shadow-sm);
}
.roof-calc__roof-nav.scr_calc__nav > li > label > input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.roof-calc__roof-nav.scr_calc__nav > li > label > a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
  pointer-events: none;
}
.roof-calc__roof-nav.scr_calc__nav > li > label > a img {
  width: 64px;
  height: 48px;
  object-fit: contain;
}
.roof-calc__roof-nav.scr_calc__nav > li > label > a span {
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  color: var(--c-text);
  line-height: 1.3;
}
.roof-calc__roof-nav.scr_calc__nav > li.current > label > a span {
  color: var(--c-accent);
}

/* ─── Навигация по материалам ────────────────────────────────────────────── */
.roof-calc__material-nav.scr_calc__nav { margin-bottom: 20px; }

.roof-calc__material-nav.scr_calc__nav > li > label {
  cursor: pointer;
  display: block;
  border: 2px solid var(--c-border);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color .2s, background .2s;
}
.roof-calc__material-nav.scr_calc__nav > li > label:hover {
  border-color: var(--c-accent2);
}
.roof-calc__material-nav.scr_calc__nav > li.current > label {
  border-color: var(--c-accent);
  background: var(--c-bg2);
}
.roof-calc__material-nav.scr_calc__nav > li > label > input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.roof-calc__material-nav.scr_calc__nav > li > label > a {
  display: block;
  padding: 10px 20px;
  text-decoration: none;
  pointer-events: none;
}
.roof-calc__material-nav.scr_calc__nav > li > label > a > span {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
}
.roof-calc__material-nav.scr_calc__nav > li.current > label > a > span {
  color: var(--c-accent);
}

/* ─── Подблоки формы ─────────────────────────────────────────────────────── */
.roof-calc__subblock {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 20px;
}
.roof-calc__subblock--prices { background: var(--c-bg); }

.roof-calc__subblock-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text);
  margin: 0 0 14px;
}

/* ─── Переключатели режима геометрии ─────────────────────────────────────── */
.roof-calc__radio-list { display: flex; flex-direction: column; gap: 10px; }

.roof-calc__radio-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 16px;
  color: var(--c-text);
  line-height: 1.5;
}
.roof-calc__radio-item input[type="radio"] {
  margin-top: 3px;
  accent-color: var(--c-accent);
  flex-shrink: 0;
}

/* ─── Параметры листа ────────────────────────────────────────────────────── */
.roof-calc__params {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 20px;
}

/* ─── Поля ввода ─────────────────────────────────────────────────────────── */
.roof-calc__fields-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 16px;
}
.roof-calc__fields-grid--prices {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.roof-calc__field { display: flex; flex-direction: column; gap: 6px; }

.roof-calc__field-label {
  font-size: 14px;
  color: var(--c-muted);
  font-weight: 500;
  line-height: 1.4;
}

.roof-calc__input {
  width: 100%;
  height: 42px;
  padding: 8px 12px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 6px;
  background: #fff;
  color: var(--c-text);
  transition: border-color .15s, box-shadow .15s;
  box-sizing: border-box;
}
.roof-calc__input:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(93,10,12,.12);
}
.roof-calc__input:hover { border-color: #aaa; }

.roof-calc__input--short { max-width: 140px; }
.roof-calc__input--table { height: 36px; padding: 4px 8px; font-size: 15px; min-width: 70px; }

.roof-calc__optional {
  font-size: 14px;
  font-weight: 400;
  color: var(--c-muted);
}

/* ─── Таблица скатов ─────────────────────────────────────────────────────── */
.roof-calc__table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 14px; }

.roof-calc__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.roof-calc__table th {
  background: var(--c-bg2);
  color: var(--c-text);
  font-weight: 700;
  padding: 10px 12px;
  text-align: left;
  border-bottom: 2px solid var(--c-border);
  white-space: nowrap;
  font-size: 14px;
}
.roof-calc__table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text);
  font-size: 15px;
  vertical-align: middle;
}
.roof-calc__table tr:last-child td { border-bottom: none; }
.roof-calc__table tr:hover td { background: var(--c-bg); }

.roof-calc__table--compact th,
.roof-calc__table--compact td {
  padding: 7px 10px;
  font-size: 14px;
}

.roof-calc__td-num {
  text-align: center;
  color: var(--c-muted);
  font-size: 14px;
  width: 32px;
  min-width: 32px;
}

/* ─── Кнопки ─────────────────────────────────────────────────────────────── */
.roof-calc__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 18px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: background .18s, color .18s, box-shadow .18s, transform .12s;
  line-height: 1;
  white-space: nowrap;
}
.roof-calc__btn:active { transform: translateY(1px); }

.roof-calc__btn--secondary {
  background: #fff;
  color: var(--c-accent);
  border: 2px solid var(--c-accent);
}
.roof-calc__btn--secondary:hover {
  background: var(--c-accent);
  color: #fff;
}

.roof-calc__btn--helper {
  background: #fff;
  color: var(--c-muted);
  border: 1px solid var(--c-border);
  font-size: 14px;
  font-weight: 500;
  height: 34px;
  padding: 0 14px;
  border-radius: 20px;
}
.roof-calc__btn--helper:hover {
  border-color: var(--c-accent2);
  color: var(--c-accent);
  background: var(--c-bg2);
}

.roof-calc__btn--icon {
  width: 34px;
  height: 34px;
  padding: 0;
  font-size: 18px;
  font-weight: 400;
  background: none;
  color: #bbb;
  border: 1px solid var(--c-border);
  border-radius: 50%;
}
.roof-calc__btn--icon:hover {
  background: #fff0f0;
  color: var(--c-accent);
  border-color: #f7c5c5;
}

/* ─── Кнопка «Добавить скат» ──────────────────────────────────────────────── */
#add-slope { margin-top: 4px; }

/* ─── Блок результатов ───────────────────────────────────────────────────── */
.roof-calc__result-wrap { margin-top: 36px; }

.roof-calc__result-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-bottom: 28px;
}

/* Строки сводки */
.roof-calc__summary { padding: 6px 0; }

.roof-calc__summary-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 11px 22px;
  border-bottom: 1px solid #f2edec;
  transition: background .15s;
}
.roof-calc__summary-row:last-child { border-bottom: none; }
.roof-calc__summary-row:hover { background: var(--c-bg); }

.roof-calc__summary-label {
  font-size: 16px;
  color: var(--c-muted);
  line-height: 1.4;
  flex-shrink: 0;
  max-width: 55%;
}

.roof-calc__summary-val {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text);
  text-align: right;
  word-break: break-word;
}

/* Блок итоговой стоимости */
.roof-calc__cost-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: var(--c-gold-bg);
  border-top: 2px solid #f0d060;
}

.roof-calc__cost-label {
  font-size: 17px;
  font-weight: 600;
  color: #5a4a00;
}

.roof-calc__cost-val {
  font-size: 28px;
  font-weight: 800;
  color: var(--c-accent);
  white-space: nowrap;
}

/* Дисклеймер */
.roof-calc__disclaimer {
  font-size: 14px;
  color: var(--c-muted);
  padding: 10px 22px 14px;
  margin: 0;
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
  line-height: 1.5;
}

/* ─── Детализация (таблицы по скатам) ───────────────────────────────────── */
.roof-calc__details {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

/* ─── Сообщение об ошибке ────────────────────────────────────────────────── */
.roof-calc__error {
  font-size: 16px;
  color: #b71c1c;
  background: #ffeaea;
  border: 1px solid #ffb3b3;
  border-radius: 6px;
  padding: 12px 16px;
  margin-top: 14px;
  line-height: 1.5;
}

/* ─── Убираем дефолтный scr_calc__df из result-wrap ─────────────────────── */
.roof-calc__result-wrap.scr_calc__df { padding: 0; background: none; box-shadow: none; border: none; }

/* ─── Кнопка «Сделать онлайн расчет» ────────────────────────────────────── */
.roof-calc .scr_calc__button {
  margin-top: 32px;
  margin-bottom: 8px;
}

.roof-calc .btn__wrap--grad {
  display: flex;
  justify-content: center;
}

.roof-calc .btn--grad {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 52px;
  height: 58px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .03em;
  text-transform: none;
  color: #fff !important;
  background: linear-gradient(135deg, #8b1013 0%, #5d0a0c 55%, #3d0608 100%);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: 0 6px 22px rgba(93,10,12,.40), 0 2px 6px rgba(93,10,12,.25);
  transition: box-shadow .22s, transform .16s, background .22s;
  white-space: nowrap;
  min-width: 280px;
}

/* Блик сверху */
.roof-calc .btn--grad::before {
  content: '';
  position: absolute;
  inset: 0 0 50% 0;
  background: linear-gradient(to bottom, rgba(255,255,255,.12), transparent);
  pointer-events: none;
  border-radius: 10px 10px 0 0;
}

/* Стрелка вправо */
.roof-calc .btn--grad::after {
  content: '→';
  font-size: 20px;
  margin-left: 12px;
  transition: transform .2s;
  display: inline-block;
  line-height: 1;
}

.roof-calc .btn--grad:hover {
  background: linear-gradient(135deg, #a01215 0%, #6e0c0f 55%, #4a080b 100%);
  box-shadow: 0 10px 32px rgba(93,10,12,.50), 0 3px 8px rgba(93,10,12,.30);
  transform: translateY(-2px);
}

.roof-calc .btn--grad:hover::after {
  transform: translateX(5px);
}

.roof-calc .btn--grad:active {
  transform: translateY(0);
  box-shadow: 0 4px 14px rgba(93,10,12,.35);
}

/* ─── Адаптив ────────────────────────────────────────────────────────────── */
@media (max-width: 767px) {
  .roof-calc .scr_calc__title { font-size: 20px; }

  .roof-calc__hint { font-size: 15px; }
  .roof-calc__hint-box { font-size: 15px; padding: 10px 14px; }

  .roof-calc__subblock { padding: 16px; }
  .roof-calc__params   { padding: 16px; }

  .roof-calc__fields-grid,
  .roof-calc__fields-grid--prices { grid-template-columns: 1fr; }

  .roof-calc__summary-row { padding: 10px 16px; flex-wrap: wrap; }
  .roof-calc__summary-label { max-width: 100%; font-size: 14px; }
  .roof-calc__summary-val   { font-size: 16px; }

  .roof-calc__cost-box { flex-direction: column; align-items: flex-start; padding: 16px; gap: 8px; }
  .roof-calc__cost-val { font-size: 24px; }

  .roof-calc__disclaimer { padding: 10px 16px 12px; }
  .roof-calc__details    { padding: 16px; }

  .roof-calc__input--short { max-width: 100%; }

  .roof-calc .btn--grad {
    width: 100%;
    min-width: 0;
    padding: 0 24px;
    height: 54px;
    font-size: 17px;
    border-radius: 8px;
  }
}

@media (max-width: 480px) {
  .roof-calc__roof-nav.scr_calc__nav > li > label > a img { width: 48px; height: 36px; }
  .roof-calc__roof-nav.scr_calc__nav > li > label > a span { font-size: 13px; }
  .roof-calc__cost-val { font-size: 22px; }
}