/* КАМВЕРО — калькулятор (design v4) */

.calc-page {
  flex: 1;
  padding: 1.25rem 0 4rem;
}

.calc-page__wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.calc-page__header {
  margin-bottom: 2rem;
}

.calc-page__title {
  font-size: clamp(1.85rem, 4vw, 2.65rem);
  margin-bottom: 0.35rem;
}

.calc-page__desc {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 42rem;
}

.calc-page__intro {
  background: rgba(169, 120, 80, 0.08);
  border: 1px solid rgba(169, 120, 80, 0.22);
  border-radius: var(--r);
  padding: 1rem 1.15rem;
  margin-bottom: 1.75rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.55;
}

.calc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 1.75rem;
  align-items: start;
}

.calc-steps {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-width: 0;
}

.calc-summary {
  position: sticky;
  top: calc(var(--header-h, 72px) + 1rem);
  width: 340px;
  align-self: start;
}

.calc-summary__sticky {
  position: static;
  max-height: calc(100svh - var(--header-h, 72px) - 2rem);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--line);
  border-radius: calc(var(--r) + 4px);
  padding: 1.35rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.calc-summary__title {
  font-size: 1.25rem;
  margin-bottom: 0.85rem;
  flex-shrink: 0;
}

.calc-summary__rows {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 0.85rem;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 0.15rem;
}

.calc-summary__rows::-webkit-scrollbar { width: 4px; }
.calc-summary__rows::-webkit-scrollbar-thumb {
  background: var(--accent-light);
  border-radius: 4px;
}

.calc-summary__total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0;
  border-top: 2px solid var(--accent-light);
  margin-bottom: 0.65rem;
  flex-shrink: 0;
}

.calc-summary__total span:first-child {
  font-weight: 700;
  font-size: 1rem;
}

.calc-page--dock {
  padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px));
}

.calc-dock {
  display: none;
}

@media (max-width: 900px) {
  .calc-layout {
    grid-template-columns: 1fr;
  }

  .calc-steps {
    max-width: none;
  }

  .calc-summary {
    position: fixed;
    z-index: 45;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: auto;
    max-height: none;
  }

  .calc-summary__sticky {
    max-height: none;
    border-radius: calc(var(--r) + 4px) calc(var(--r) + 4px) 0 0;
    border-bottom: none;
    padding: 0.85rem var(--pad) calc(0.85rem + env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -12px 40px rgba(44, 47, 49, 0.14);
  }

  .calc-summary__title {
    display: none;
  }

  .calc-summary__rows {
    display: none;
    max-height: 36vh;
    margin-bottom: 0.65rem;
  }

  .calc-summary.is-expanded .calc-summary__rows {
    display: flex;
  }

  .calc-summary.is-expanded .calc-summary__title {
    display: block;
    font-size: 1.05rem;
    margin-bottom: 0.65rem;
  }

  .calc-summary__note {
    display: none;
    max-height: none;
  }

  .calc-summary.is-expanded .calc-summary__note {
    display: block;
    font-size: 0.68rem;
    margin-bottom: 0.65rem;
  }

  .calc-summary__actions-row {
    display: none;
  }

  .calc-summary.is-expanded .calc-summary__actions-row {
    display: grid;
  }

  .calc-summary__total {
    padding: 0 0 0.65rem;
    margin-bottom: 0;
    border-top: none;
  }

  .calc-summary.is-expanded .calc-summary__total {
    border-top: 2px solid var(--accent-light);
    padding-top: 0.65rem;
  }

  .calc-summary__total-value {
    font-size: 1.35rem;
  }

  .calc-dock-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 0.75rem;
    margin-bottom: 0.55rem;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    text-align: left;
    font: inherit;
    color: inherit;
  }

  .calc-dock-toggle__label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
  }

  .calc-dock-toggle__chev {
    font-size: 0.85rem;
    color: var(--ink-soft);
    transition: transform 0.2s;
  }

  .calc-summary.is-expanded .calc-dock-toggle__chev {
    transform: rotate(180deg);
  }

  .calc-page .fab {
    bottom: calc(5.75rem + env(safe-area-inset-bottom, 0px));
  }

  .calc-cards--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.45rem;
  }

  .calc-cards--3 .calc-card {
    padding: 0.75rem 0.35rem;
    gap: 0.45rem;
  }

  .calc-cards--3 .calc-card__shape-img {
    max-width: 100%;
    width: 3.25rem;
  }

  .calc-cards--3 .calc-card__name {
    font-size: 0.68rem;
    line-height: 1.25;
  }

  .calc-type-tabs {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .calc-type-tab {
    width: 100%;
    text-align: center;
    padding: 0.55rem 0.75rem;
    font-size: 0.82rem;
  }

  .calc-step {
    overflow: visible;
  }

  .calc-brands { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 901px) {
  .calc-dock-toggle {
    display: none;
  }

  .calc-page {
    padding-bottom: 4rem;
  }

  /* На десктопе детализация — вторая колонка, начинается с calc-layout */
  .calc-layout {
    margin-top: 0;
  }
}


.calc-step {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: calc(var(--r) + 2px);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.calc-step--active {
  border-color: rgba(169, 120, 80, 0.45);
  box-shadow: var(--shadow);
}

.calc-step__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1.05rem 1.25rem;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s;
}

.calc-step__header:hover {
  background: rgba(44, 47, 49, 0.03);
}

.calc-step__num {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--fog);
  color: var(--accent-deep);
  flex-shrink: 0;
}

.calc-step--active .calc-step__num {
  background: var(--accent);
  color: var(--lime-ink);
}

.calc-step__title {
  font-family: var(--font-d);
  font-size: 1.02rem;
  font-weight: 600;
  margin: 0;
}

.calc-step__body {
  padding: 0 1.25rem 1.25rem;
}

.calc-step.is-hidden {
  display: none;
}

.calc-type-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.calc-type-tab {
  padding: 0.65rem 1.1rem;
  border: 1.5px solid var(--line);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: all 0.2s;
}

.calc-type-tab:hover {
  border-color: var(--accent-light);
}

.calc-type-tab--active {
  border-color: var(--accent);
  background: rgba(169, 120, 80, 0.1);
  color: var(--accent-deep);
}

.calc-cards {
  display: grid;
  gap: 0.65rem;
}

.calc-cards--3 { grid-template-columns: repeat(3, 1fr); }
.calc-cards--2 { grid-template-columns: repeat(2, 1fr); }

.calc-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  padding: 1.25rem 0.85rem;
  border: 1.5px solid var(--line);
  border-radius: calc(var(--r) + 2px);
  background: transparent;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.calc-card:hover {
  border-color: var(--accent-light);
}

.calc-card--selected {
  border-color: var(--accent);
  background: rgba(169, 120, 80, 0.08);
}

.calc-card__icon .icon svg {
  width: 2rem;
  height: 2rem;
  color: var(--teal);
}

.calc-card--selected .calc-card__icon .icon svg {
  color: var(--accent-deep);
}

.calc-card__shape {
  width: 5rem;
  height: 2.5rem;
  color: var(--teal);
}

.calc-card__shape-img {
  width: 100%;
  max-width: 7.5rem;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  border-radius: 6px;
  background: #f7f5f2;
  pointer-events: none;
}

.calc-card--selected .calc-card__shape-img {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.calc-card__name {
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.3;
}

.calc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.calc-chip {
  padding: 0.55rem 1rem;
  border: 1.5px solid var(--line);
  border-radius: 100px;
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s;
}

.calc-chip input { display: none; }

.calc-chip:hover { border-color: var(--accent-light); }

.calc-chip--checked {
  border-color: var(--accent);
  background: rgba(169, 120, 80, 0.1);
  color: var(--accent-deep);
}

.calc-dimensions {
  display: flex;
  align-items: flex-end;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.calc-dimension {
  flex: 1;
  min-width: 120px;
}

.calc-dimension label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}

.calc-dimension input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1.5px solid var(--line);
  border-radius: var(--r);
  font-weight: 600;
  background: #fff;
}

.calc-dimension input:focus {
  outline: none;
  border-color: var(--accent);
}

.calc-dimension__sep {
  font-size: 1.1rem;
  color: var(--silver);
  padding-bottom: 0.65rem;
}

.calc-items {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.calc-item {
  padding: 1rem;
  border: 1px dashed var(--line);
  border-radius: var(--r);
  background: rgba(255, 255, 255, 0.5);
}

.calc-item__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.65rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.calc-item__remove {
  border: none;
  background: transparent;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

.calc-add-btn {
  margin-top: 0.65rem;
  padding: 0.65rem 1rem;
  border: 1.5px dashed var(--line);
  border-radius: var(--r);
  width: 100%;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--accent-deep);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
}

.calc-add-btn:hover {
  border-color: var(--accent);
  background: rgba(169, 120, 80, 0.05);
}

.calc-hint {
  font-size: 0.8rem;
  color: var(--accent-deep);
  background: rgba(169, 120, 80, 0.1);
  padding: 0.55rem 0.75rem;
  border-radius: var(--r);
  margin-bottom: 0.85rem;
}

.calc-thickness {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.calc-thickness__btn {
  padding: 0.55rem 1rem;
  border: 1.5px solid var(--line);
  border-radius: var(--r);
  font-size: 0.84rem;
  font-weight: 600;
  background: #fff;
  cursor: pointer;
  transition: all 0.2s;
}

.calc-thickness__btn:hover { border-color: var(--accent-light); }

.calc-thickness__btn--active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--lime-ink);
}

.calc-edges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.calc-edge {
  padding: 0.55rem 0.85rem;
  border: 1.5px solid var(--line);
  border-radius: var(--r);
  font-size: 0.78rem;
  font-weight: 600;
  background: #fff;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
}

.calc-edge small {
  display: block;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--ink-soft);
  margin-top: 0.15rem;
}

.calc-edge:hover { border-color: var(--accent-light); }

.calc-edge--active {
  border-color: var(--accent);
  background: rgba(169, 120, 80, 0.1);
}

.calc-brands {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.calc-brand {
  padding: 0.85rem;
  border: 1.5px solid var(--line);
  border-radius: calc(var(--r) + 2px);
  font-family: var(--font-d);
  font-size: 0.95rem;
  font-weight: 600;
  background: #fff;
  cursor: pointer;
  transition: all 0.2s;
}

.calc-brand:hover { border-color: var(--accent-light); }

.calc-brand--active {
  border-color: var(--accent);
  background: rgba(169, 120, 80, 0.08);
  color: var(--accent-deep);
}

.calc-categories {
  display: grid;
  gap: 0.5rem;
}

.calc-category {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.2rem 1rem;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--line);
  border-radius: calc(var(--r) + 2px);
  background: #fff;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
}

.calc-category__name {
  font-weight: 600;
  font-size: 0.9rem;
}

.calc-category__price {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-deep);
  white-space: nowrap;
}

.calc-category__desc {
  grid-column: 1 / -1;
  font-size: 0.72rem;
  color: var(--ink-soft);
  line-height: 1.4;
}

.calc-category:hover { border-color: var(--accent-light); }

.calc-category--active {
  border-color: var(--accent);
  background: rgba(169, 120, 80, 0.08);
}

.calc-extras {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.calc-extra {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  font-size: 0.84rem;
  cursor: pointer;
  background: #fff;
  transition: background 0.2s;
}

.calc-extra:hover { background: var(--fog); }

.calc-extra input { accent-color: var(--accent); flex-shrink: 0; }

.calc-extra small {
  margin-left: auto;
  color: var(--ink-soft);
  font-size: 0.72rem;
  white-space: nowrap;
}

.calc-extra input[type="number"] {
  width: 4rem;
  padding: 0.25rem 0.4rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  margin-left: auto;
}

.calc-backsplash {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.calc-backsplash.is-hidden { display: none; }

/* summary block styles moved above media queries */

.calc-summary__row {
  display: flex;
  justify-content: space-between;
  gap: 0.65rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.calc-summary__row span:last-child {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.calc-summary__row--muted span:last-child {
  color: var(--ink-soft);
  font-weight: 500;
}

.calc-summary__total-value {
  font-family: var(--font-d);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--accent-deep);
}

.calc-summary__note {
  font-size: 0.72rem;
  color: var(--ink-soft);
  line-height: 1.45;
  margin-bottom: 0.85rem;
  flex-shrink: 0;
  max-height: 4.5rem;
  overflow-y: auto;
}

.calc-summary__actions {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex-shrink: 0;
}

.calc-summary__actions-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
}

.btn--block { width: 100%; }

.btn--outline {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
}

.calc-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(44, 47, 49, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.calc-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.calc-modal__box {
  width: min(100%, 420px);
  background: var(--paper);
  border-radius: calc(var(--r) + 4px);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.calc-modal__box h3 {
  margin-bottom: 0.75rem;
}

.calc-modal__box label {
  display: block;
  margin-bottom: 0.75rem;
}

.calc-modal__box label span {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 0.3rem;
}

.calc-modal__box input,
.calc-modal__box textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1.5px solid var(--line);
  border-radius: var(--r);
  background: #fff;
}

.calc-modal__legal {
  font-size: 0.72rem;
  color: var(--ink-soft);
  line-height: 1.4;
  margin: 0.75rem 0;
}

.calc-modal__actions {
  display: flex;
  gap: 0.5rem;
}

@media (max-width: 640px) {
  .calc-dimensions { flex-direction: column; align-items: stretch; }
  .calc-dimension__sep { display: none; }
  .calc-cards--2 { grid-template-columns: 1fr; }
}

@media print {
  .top, .fab, .calc-type-tabs, .calc-step__header, .calc-summary__actions, .calc-modal, .calc-dock-toggle { display: none !important; }
  .calc-step { break-inside: avoid; border: 1px solid #ccc; }
  .calc-layout { grid-template-columns: 1fr; }
  .calc-summary { position: static; width: auto; max-height: none; }
  .calc-summary__sticky { box-shadow: none; max-height: none; }
  .calc-summary__rows { display: flex !important; max-height: none; }
}