/* =========================================================
   TreeLife Stimulation — cart.css (страница корзины)
   Подключается после style.css: <link rel="stylesheet" href="css/cart.css">
   ========================================================= */

.cart-hero {
  padding: 28px 0 40px;
  background:
    radial-gradient(900px 300px at 85% -10%, var(--surface-3), transparent 70%),
    linear-gradient(180deg, var(--surface-2), var(--white));
  border-bottom: 1px solid var(--border-c);
}
.cart-hero .crumbs { display: flex; gap: 8px; font-size: 14px; color: var(--teal); margin-bottom: 20px; }
.cart-hero .crumbs a:hover { color: var(--text-strong); text-decoration: underline; }
.cart-hero .crumbs span:last-child { color: var(--text); }
.cart-hero h1 { margin: 0; }
.cart-hero p  { margin: 8px 0 0; color: var(--teal); }

.cart-section { padding: 44px 0 80px; }

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 28px;
  align-items: start;
}

/* ---------- список ---------- */

.cart-items { display: grid; gap: 14px; }

.cart-item {
  display: grid;
  grid-template-columns: 112px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border-c);
  border-radius: 12px;
  transition: border-color .2s, box-shadow .2s;
}
.cart-item:hover { border-color: var(--teal); box-shadow: var(--shadow); }

.cart-item__img {
  width: 112px; height: 96px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 9px;
  background: linear-gradient(160deg, var(--surface-2), var(--surface-3));
  overflow: hidden;
}
.cart-item__img img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }

.cart-item__cat {
  font-family: var(--font-mono);
  font-size: 11px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--teal);
}
.cart-item__name { font-family: var(--font-head); font-size: 21px; color: var(--text-strong); margin: 2px 0 4px; }
.cart-item__name a:hover { color: var(--teal); }
.cart-item__unit { font-size: 14px; color: var(--teal); }

.cart-item__side { display: grid; justify-items: end; gap: 10px; }
.cart-item__sum { font-family: var(--font-head); font-size: 22px; color: var(--text-strong); white-space: nowrap; }

.qty {
  display: inline-flex; align-items: center;
  border: 1.5px solid var(--border-c);
  border-radius: 11px;
  background: var(--surface);
  overflow: hidden;
}
.qty button {
  width: 34px; height: 34px;
  border: 0; background: transparent;
  color: var(--text); font-size: 18px; line-height: 1; cursor: pointer;
  transition: background .2s;
}
.qty button:hover { background: var(--surface-3); }
.qty input {
  width: 40px; height: 34px;
  border: 0; text-align: center;
  font: inherit; font-weight: 600; color: var(--text-strong);
  background: transparent;
  -moz-appearance: textfield;
}
.qty input::-webkit-outer-spin-button,
.qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.qty input:focus { outline: none; }

.cart-remove {
  display: inline-flex; align-items: center; gap: 6px;
  border: 0; background: none; padding: 0;
  font: inherit; font-size: 13px; color: var(--teal);
  cursor: pointer;
}
.cart-remove:hover { color: #b3402f; }
.cart-remove svg { width: 16px; height: 16px; }

.cart-tools { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 4px; }
.cart-tools a, .cart-tools button {
  font: inherit; font-size: 14px; color: var(--teal);
  background: none; border: 0; padding: 0; cursor: pointer;
}
.cart-tools a:hover, .cart-tools button:hover { color: var(--text-strong); text-decoration: underline; }

/* ---------- итог ---------- */

.cart-summary {
  position: sticky; top: 96px;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--teal);
  border-radius: 13px;
  box-shadow: var(--shadow);
}
.cart-summary h2 { font-size: 22px; margin-bottom: 16px; }

.sum-row { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; font-size: 15px; }
.sum-row span:first-child { color: var(--teal); }
.sum-row--total {
  margin-top: 8px; padding-top: 16px;
  border-top: 1px dashed var(--border-c);
  font-size: 16px;
}
.sum-row--total span:first-child { color: var(--text); font-weight: 500; }
.sum-row--total strong { font-family: var(--font-head); font-size: 30px; font-weight: 500; color: var(--text-strong); }
.sum-note { margin: 4px 0 0; font-size: 13px; color: var(--teal); }

.order-form { margin-top: 20px; display: grid; gap: 4px; }
.order-form label { font-size: 14px; font-weight: 500; margin-top: 10px; }
.order-form input, .order-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border-c);
  border-radius: 9px;
  font: inherit; color: var(--text);
  background: var(--surface);
  transition: border-color .2s, box-shadow .2s;
}
.order-form textarea { min-height: 72px; resize: vertical; }
.order-form input:focus, .order-form textarea:focus {
  outline: none; border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(20, 163, 161, .15);
}
.order-form .input-error { border-color: #c0392b; }
.order-form .field-err { min-height: 16px; font-size: 13px; color: #c0392b; }
.order-form .btn { width: 100%; margin-top: 14px; padding-top: 14px; padding-bottom: 14px; font-size: 16px; }
.order-form .hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.order-form .form-err { font-size: 14px; color: #c0392b; margin-top: 8px; }
.order-agree { margin: 12px 0 0; font-size: 12px; color: var(--teal); text-align: center; }
.order-agree a { text-decoration: underline; }

.cart-perks { list-style: none; margin: 18px 0 0; padding: 16px 0 0; border-top: 1px solid var(--border-c); display: grid; gap: 8px; }
.cart-perks li { position: relative; padding-left: 26px; font-size: 14px; }
.cart-perks li::before {
  content: ""; position: absolute; left: 0; top: 4px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--surface-3) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.4l2.3 2.3 4.7-4.9' fill='none' stroke='%2314a3a1' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 100% no-repeat;
}

/* ---------- пусто / успех ---------- */

.cart-state {
  max-width: 520px; margin: 30px auto; text-align: center;
  padding: 48px 32px;
  background: var(--surface-2);
  border: 1px solid var(--border-c);
  border-radius: 14px;
}
.cart-state__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 84px; height: 84px; margin-bottom: 18px;
  border-radius: 50%;
  background: var(--surface); border: 1.5px solid var(--border-c);
  color: var(--teal);
}
.cart-state__icon svg { width: 40px; height: 40px; }
.cart-state h2 { font-size: 26px; }
.cart-state p  { margin: 0 0 22px; color: var(--teal); }
.cart-state .btn + .btn { margin-left: 8px; }
.cart-state--ok .cart-state__icon { background: var(--teal); border-color: var(--teal); color: var(--white); }

/* ---------- адаптив ---------- */

@media (max-width: 960px) {
  .cart-layout { grid-template-columns: 1fr; }
  .cart-summary { position: static; }
}
@media (max-width: 560px) {
  .cart-item { grid-template-columns: 84px 1fr; }
  .cart-item__img { width: 84px; height: 76px; }
  .cart-item__side { grid-column: 1 / -1; grid-template-columns: auto 1fr auto; justify-items: start; align-items: center; }
  .cart-item__sum { justify-self: end; }
  .cart-remove span { display: none; }
}