/* ─── КНОПКА-ТРИГГЕР ─────────────────────────────────────────────────────── */
.calc-trigger-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: transparent;
  border: 0.5px solid var(--color-border-active, rgba(155, 127, 232, 0.5));
  border-radius: var(--radius-md);
  color: var(--color-accent-lt);
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.calc-trigger-btn:hover {
  background: rgba(155, 127, 232, 0.08);
  border-color: var(--color-accent-lt);
  color: var(--color-text);
}

/* ─── ОВЕРЛЕЙ ────────────────────────────────────────────────────────────── */
.calc-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: flex-end;
  background: rgba(7, 5, 15, 0.95);
  backdrop-filter: blur(6px);
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.calc-modal--open {
  opacity: 1;
  pointer-events: auto;
}

/* ─── КАРТОЧКА МОДАЛКИ (mobile: bottom sheet) ────────────────────────────── */
.calc-modal__inner {
  position: relative;
  width: 100%;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-modal-bg, #0D0B1A);
  border: 0.5px solid var(--color-border);
  border-radius: 20px 20px 0 0;
  transform: translateY(30px);
  transition: transform 0.3s ease;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.calc-modal--open .calc-modal__inner {
  transform: translateY(0);
}

/* ─── DRAG-ИНДИКАТОР (только мобайл) ─────────────────────────────────────── */
.calc-modal__drag {
  display: flex;
  justify-content: center;
  padding: 10px 0 2px;
  flex-shrink: 0;
}

.calc-modal__drag-bar {
  display: block;
  width: 40px;
  height: 4px;
  margin: 8px auto 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
}

/* ─── КНОПКА ЗАКРЫТИЯ ────────────────────────────────────────────────────── */
.calc-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, background 0.2s ease;
}

.calc-modal__close:hover {
  color: var(--color-text);
  background: var(--color-surface, rgba(255, 255, 255, 0.03));
}

/* ─── ЗАГОЛОВОК ──────────────────────────────────────────────────────────── */
.calc-modal__header {
  flex-shrink: 0;
  padding: 16px 48px 14px 20px;
  border-bottom: 0.5px solid var(--color-border);
}

.calc-modal__title {
  font-family: var(--font-display);
  font-size: clamp(16px, 3vw, 20px);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 3px;
}

.calc-modal__sub {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ─── БАННЕР «ПРОДОЛЖИТЬ» ────────────────────────────────────────────────── */
.calc-continue {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 20px;
  background: rgba(155, 127, 232, 0.06);
  border-bottom: 0.5px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.calc-continue__btn {
  flex-shrink: 0;
  padding: 6px 14px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease;
}

.calc-continue__btn:hover {
  background: var(--color-accent-lt);
}

/* ─── КОНТЕЙНЕР ШАГОВ ────────────────────────────────────────────────────── */
.calc-steps {
  flex: 1;
  overflow-y: auto;
  padding: 18px 20px 80px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.calc-steps::-webkit-scrollbar { width: 3px; }
.calc-steps::-webkit-scrollbar-track { background: transparent; }
.calc-steps::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 2px; }

/* ─── ШАГ ────────────────────────────────────────────────────────────────── */
.calc-step { animation: calcStepIn 0.25s ease both; }

.calc-step:nth-child(2) { animation-delay: 0.05s; }
.calc-step:nth-child(3) { animation-delay: 0.1s; }
.calc-step:nth-child(4) { animation-delay: 0.15s; }
.calc-step:nth-child(5) { animation-delay: 0.2s; }
.calc-step:nth-child(6) { animation-delay: 0.22s; }

@keyframes calcStepIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.calc-step__label {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent-lt);
  margin-bottom: 6px;
}

.calc-step__title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 12px;
}

/* ─── СЕТКИ ОПЦИЙ ────────────────────────────────────────────────────────── */
.calc-opts { display: flex; flex-wrap: wrap; gap: 8px; }

.calc-opts--types {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.calc-opts--addons {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.calc-opts--urgency {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

/* ─── КНОПКА-ОПЦИЯ ───────────────────────────────────────────────────────── */
.calc-opt {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 12px 14px;
  background: var(--color-surface, rgba(255, 255, 255, 0.03));
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 13px;
  font-family: var(--font-body);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.calc-opt:hover {
  border-color: var(--color-border-active, rgba(155, 127, 232, 0.5));
  color: var(--color-text);
}

.calc-opt--on {
  border-color: var(--color-border-active, rgba(155, 127, 232, 0.5));
  background: rgba(155, 127, 232, 0.08);
  color: var(--color-text);
}

.calc-opts--who .calc-opt {
  flex: 1;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
  padding: 12px 10px;
}

.calc-opt--type {
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 12px 14px;
}

.calc-opt__name {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: inherit;
}

.calc-opt__price {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--color-accent-lt);
}

.calc-opt__sub {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--color-text-muted);
}

.calc-opt__mult {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  color: var(--color-accent-lt);
}

.calc-opt--addon {
  justify-content: space-between;
  padding: 10px 14px;
}

.calc-opt--addon .calc-opt__name { flex: 1; }
.calc-opt--addon .calc-opt__price { flex-shrink: 0; margin-left: 12px; }

/* ─── ИКОНКА ХИНТА ───────────────────────────────────────────────────────── */
.calc-opt__info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  font-size: 11px;
  font-style: normal;
  color: var(--color-text-dim);
  cursor: pointer;
  margin-left: 4px;
  vertical-align: middle;
  transition: color 0.2s ease;
}

.calc-opt__info-icon:hover {
  color: var(--color-accent-lt);
}

/* ─── ХИНТ-БЛОК ──────────────────────────────────────────────────────────── */
.calc-hint {
  grid-column: 1 / -1;
  padding: 8px 12px;
  background: rgba(155, 127, 232, 0.06);
  border: 0.5px solid rgba(155, 127, 232, 0.2);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.5;
  animation: calcStepIn 0.15s ease both;
}

/* ─── БЕЙДЖ «ПОПУЛЯРНО» ──────────────────────────────────────────────────── */
.calc-opt__badge {
  position: absolute;
  top: -8px;
  right: 10px;
  padding: 2px 6px;
  background: var(--color-accent);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-text);
  pointer-events: none;
}

.calc-opts--urgency .calc-opt {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  text-align: center;
  padding: 12px 8px;
}

.calc-opts--currency .calc-opt {
  padding: 10px 20px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
}

/* ─── ПЛАШКА «ВХОДИТ В ЦЕНУ» ─────────────────────────────────────────────── */
.calc-included {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 10px;
  padding: 10px 14px;
  background: rgba(155, 127, 232, 0.06);
  border: 0.5px solid rgba(155, 127, 232, 0.2);
  border-radius: var(--radius-md);
  animation: calcStepIn 0.2s ease both;
}

.calc-included__lbl {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-accent-lt);
}

.calc-included__txt {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ─── НИЖНЯЯ ПАНЕЛЬ ──────────────────────────────────────────────────────── */
.calc-bar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
  border-top: 0.5px solid var(--color-border);
  background: var(--color-modal-bg, #0D0B1A);
}

.calc-bar__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.calc-bar__count {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--color-text-muted);
}

.calc-bar__price {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
}

.calc-bar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.calc-bar__reset {
  padding: 9px 14px;
  min-height: 48px;
  background: transparent;
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 12px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.calc-bar__reset:hover {
  color: var(--color-text);
  border-color: var(--color-border-active, rgba(155, 127, 232, 0.5));
}

.calc-bar__btn {
  flex-shrink: 0;
  min-height: 48px;
  padding: 10px 22px;
  font-size: 14px;
}

.calc-bar__btn:disabled { opacity: 0.4; pointer-events: none; }

/* ─── ЧЕК ────────────────────────────────────────────────────────────────── */
.calc-check {
  flex: 1;
  overflow-y: auto;
  padding: 16px 16px 80px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.calc-check::-webkit-scrollbar { width: 3px; }
.calc-check::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 2px; }

.calc-check__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 0.5px solid var(--color-border);
}

.calc-check__brand {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--color-text);
}

.calc-check__meta {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--color-text-dim);
}

.calc-check__lines {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.calc-check__line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-muted);
}

.calc-check__line span:last-child {
  flex-shrink: 0;
  font-family: var(--font-display);
  color: var(--color-text);
}

.calc-check__line--coeff { color: var(--color-accent-lt); }

.calc-check__total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(155, 127, 232, 0.06);
  border: 0.5px solid rgba(155, 127, 232, 0.2);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
}

.calc-check__total-val {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-accent-lt);
}

/* ─── СРАВНЕНИЕ С РЫНКОМ ─────────────────────────────────────────────────── */
.calc-check__compare {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin: 12px 0;
  padding: 12px 14px;
  background: var(--color-surface, rgba(255, 255, 255, 0.03));
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-md);
}

.calc-check__cmp-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-muted);
}

.calc-check__strike {
  text-decoration: line-through;
  color: var(--color-text-dim);
}

.calc-check__cmp-row--save {
  margin-top: 4px;
  padding-top: 6px;
  border-top: 0.5px solid var(--color-border);
  font-weight: 500;
  color: var(--color-text);
}

.calc-check__saving { color: var(--color-green, #4ADE80); }

/* ─── ОПИСАНИЕ, ТАЙМЕР, КОПИРОВАНИЕ ─────────────────────────────────────── */
.calc-check__desc {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-muted);
  font-style: italic;
}

.calc-check__timer {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 400;
  color: var(--color-accent-lt);
  text-align: center;
  letter-spacing: 0.5px;
}

.calc-check__copy {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 40px;
  padding: 9px 16px;
  background: transparent;
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.calc-check__copy:hover {
  border-color: var(--color-border-active, rgba(155, 127, 232, 0.5));
  color: var(--color-text);
}

/* ─── ФОРМА В ЧЕКЕ ───────────────────────────────────────────────────────── */
.calc-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  background: var(--color-surface, rgba(255, 255, 255, 0.03));
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-md);
}

.calc-form__title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
}

.calc-form__fields {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-input {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s ease;
}

.calc-input::placeholder { color: var(--color-text-dim); }
.calc-input:focus { border-color: var(--color-border-active, rgba(155, 127, 232, 0.5)); }
.calc-input--error { border-color: #E74C3C; }

.calc-submit {
  width: 100%;
  min-height: 48px;
  padding: 12px;
  font-size: 14px;
}

/* ─── TEXTAREA КОММЕНТАРИЙ ───────────────────────────────────────────────── */
.calc-textarea {
  width: 100%;
  min-height: 72px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s ease;
}

.calc-textarea::placeholder { color: var(--color-text-dim); }
.calc-textarea:focus { border-color: var(--color-border-active, rgba(155, 127, 232, 0.5)); }

/* ─── ЭКРАН УСПЕХА ───────────────────────────────────────────────────────── */
.calc-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 32px 20px;
  text-align: center;
  animation: calcStepIn 0.3s ease both;
}

.calc-success__icon {
  font-size: 32px;
  color: var(--color-accent-lt);
  line-height: 1;
}

.calc-success__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
}

.calc-success__sub {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ─── БЛОКИРОВКА СКРОЛЛА ─────────────────────────────────────────────────── */
.calc-body--locked {
  overflow: hidden;
  position: fixed;
  width: 100%;
}

/* ─── DESKTOP ────────────────────────────────────────────────────────────── */
@media (min-width: 768px) {
  .calc-modal {
    align-items: center;
    justify-content: center;
  }

  .calc-modal__inner {
    width: 540px;
    height: 640px;
    max-height: 90vh;
    border-radius: var(--radius-lg);
    transform: scale(0.95);
    transition: transform 0.3s ease;
  }

  .calc-modal--open .calc-modal__inner {
    transform: scale(1);
  }

  .calc-modal__drag { display: none; }

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

  .calc-check { padding: 20px 20px 28px; }

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

  .calc-form__fields { flex-direction: row; }
}

/* ─── PDF-КНОПКА ────────────────────────────────────────────────────────── */
.calc-check__pdf {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
  padding: 10px;
  margin-top: 8px;
  margin-bottom: 16px;
  background: rgba(155, 127, 232, 0.1);
  border: 0.5px solid rgba(155, 127, 232, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-accent-lt);
  font-size: 14px;
  font-family: var(--font-body);
  cursor: pointer;
  transition: background 0.2s ease;
}

.calc-check__pdf:hover {
  background: rgba(155, 127, 232, 0.2);
}

/* ─── REDUCED MOTION ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .calc-modal,
  .calc-modal__inner,
  .calc-step,
  .calc-opt,
  .calc-included,
  .calc-hint,
  .calc-success {
    animation: none;
    transition-duration: 0.01ms !important;
  }
}