/* ============================================
   ATAŞEHİR HURDACILIK — calculator.css
   "Fiyat Al" / Hurda Değer Hesaplayıcı
   Premium Dark Theme — Kırmızı Vurgu (#C1121F)
   ============================================ */

.calculator{
  padding: 72px 0 80px;
  background: var(--bg-primary);
  border-top: 1px solid var(--line);
}

.calculator__header{
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}

.calculator__title{
  font-size: clamp(24px, 3vw, 38px);
  color: var(--ink);
  margin: 0;
}

.calculator__sub{
  font-size: 15px;
  color: var(--steel);
  max-width: 580px;
  line-height: 1.65;
}

/* ---------- Kutu ---------- */
.calculator__box{
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 40px 44px;
}

.calculator__col-left{ width: 100%; }

.calculator__col-right{ display: none; }

.calculator__box.has-selection{
  display: flex;
  align-items: flex-start;
}
.calculator__box.has-selection .calculator__col-left{
  width: 360px;
  flex-shrink: 0;
  padding-right: 32px;
  border-right: 1px solid var(--line);
}
.calculator__box.has-selection .calculator__col-right{
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 20px;
  padding-left: 32px;
}

.calculator__box-title{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}
.calculator__box-title span{
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .02em;
  color: var(--ink);
}

.calculator__box-desc{
  font-size: 13.5px;
  color: var(--steel);
  margin-bottom: 26px;
}

.calculator__reset{
  display: none;
  align-items: center;
  gap: 6px;
  background: var(--bg-primary);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--steel);
  font-size: 12px;
  font-weight: 600;
  padding: 7px 14px;
  transition: border-color .15s, color .15s;
  white-space: nowrap;
}
.calculator__reset:hover{ border-color: var(--orange); color: var(--orange-dark); }
.calculator__reset.is-visible{ display: inline-flex; }

.calculator__step-label{
  font-family: var(--font-display);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.calculator__step-num{ color: var(--orange); font-weight: 800; }

/* ---------- Ana kalem grid ---------- */
.calculator__grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.calculator__box.has-selection .calculator__grid{ grid-template-columns: repeat(2, 1fr); }

.calculator__item{
  background: var(--bg-primary);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 16px 6px 12px;
  text-align: center;
  transition: border-color .15s, background-color .15s;
}
.calculator__item:hover{ border-color: var(--orange); }
.calculator__item.is-active{ background: var(--orange-soft); border: 1.5px solid var(--orange); }
.calculator__item-icon{ font-size: 19px; color: var(--orange); margin-bottom: 8px; }
.calculator__item-name{ font-size: 12px; font-weight: 700; color: var(--ink); line-height: 1.3; }

/* ---------- Alt kalem paneli ---------- */
.calculator__sub-panel{
  background: var(--bg-primary);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: none;
}
.calculator__sub-panel.is-open{ display: block; }
.calculator__sub-panel-title{
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--orange-dark);
  text-transform: uppercase;
  letter-spacing: .08em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.calculator__sub-item{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-surface);
  cursor: pointer;
  transition: background-color .12s;
}
.calculator__sub-item:last-child{ border-bottom: none; }
.calculator__sub-item:hover{ background: var(--orange-soft); }
.calculator__sub-item.is-selected{ background: var(--orange-soft); }
.calculator__sub-item-name{ font-size: 13px; font-weight: 600; color: var(--ink); flex: 1; }
.calculator__sub-badge{
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--line);
  color: var(--steel);
  white-space: nowrap;
}
.calculator__sub-badge.has-price{ color: var(--orange-dark); background: var(--orange-soft); }
.calculator__check{
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .15s;
}
.calculator__sub-item.is-selected .calculator__check{ background: var(--orange); border-color: var(--orange); }
.calculator__check-dot{ width: 8px; height: 8px; border-radius: 50%; background: var(--white); display: none; }
.calculator__sub-item.is-selected .calculator__check-dot{ display: block; }

/* ---------- Kablo özel bloğu ---------- */
.calculator__cable{
  display: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.calculator__cable.is-visible{ display: block; }
.calculator__cable-title{
  padding: 12px 16px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--orange-dark);
  text-transform: uppercase;
  letter-spacing: .08em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.calculator__cable-body{ padding: 20px; background: var(--bg-surface); }
.calculator__cable-body p{ color: var(--steel); font-size: 13px; line-height: 1.6; margin-bottom: 14px; }
.calculator__cable-textarea{
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: 14px;
  padding: 12px 14px;
  outline: none;
  resize: vertical;
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
}
.calculator__cable-textarea::placeholder{ color: var(--steel); opacity: .8; }
.calculator__cable-textarea:focus{ border-color: var(--orange); box-shadow: 0 0 0 3px rgba(193,18,31,.25); }

/* ---------- Fiyatsız kalem notu ---------- */
.calculator__no-price{ display: none; }
.calculator__no-price.is-visible{ display: block; }

/* ---------- Ağırlık / sonuç ---------- */
.calculator__weight-block{
  display: none;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.calculator__weight-block.is-open{ display: block; }

.calculator__selected-badge{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--orange-soft);
  border: 1px solid rgba(193,18,31,.35);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--orange-dark);
  margin-bottom: 16px;
}

.calculator__weight-row{
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.calculator__weight-row input[type="range"]{
  flex: 1;
  min-width: 150px;
  accent-color: var(--orange);
  cursor: pointer;
}
.calculator__weight-row input[type="number"]{
  width: 90px;
  background: var(--bg-primary);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--orange-dark);
  font-size: 18px;
  font-weight: 800;
  text-align: center;
  padding: 8px 10px;
  outline: none;
  font-family: var(--font-body);
}
.calculator__weight-row input[type="number"]:focus{ border-color: var(--orange); box-shadow: 0 0 0 3px rgba(193,18,31,.25); }
.calculator__unit{ font-size: 14px; color: var(--steel); }

.calculator__earnings{
  border-top: 1px solid var(--line);
  margin-top: 24px;
  padding-top: 24px;
}
.calculator__earnings-value{
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
}
.calculator__earnings-label{ font-size: 13px; color: var(--ink-soft); margin-top: 6px; }
.calculator__earnings-note{ font-size: 11px; color: var(--steel); margin-top: 8px; line-height: 1.5; }
.calculator__earnings .btn{ margin-top: 22px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .calculator__box.has-selection{ flex-direction: column; }
  .calculator__box.has-selection .calculator__col-left{
    width: 100%;
    padding-right: 0;
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding-bottom: 22px;
    margin-bottom: 4px;
  }
  .calculator__box.has-selection .calculator__col-right{
    padding-left: 0;
    width: 100%;
  }
}

@media (max-width: 768px){
  .calculator{ padding: 48px 0 56px; }
  .calculator__box{ padding: 28px 20px; }
  .calculator__grid{ grid-template-columns: repeat(2, 1fr); }
  .calculator__box.has-selection .calculator__grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px){
  .calculator__weight-row{ flex-direction: column; align-items: stretch; }
  .calculator__weight-row input[type="number"]{ width: 100%; }
  .calculator__earnings .btn{ width: 100%; justify-content: center; }
}