/* css/common.css
   Общие стили: переменные, типографика, header, footer, кнопки, поп-апы, cookie, to-top,
   а также переиспользуемые компоненты (карточка товара .pc, характеристики .specs-raw).
*/

/* ---------- Tokens ---------- */
:root{
  --c-primary:#2c78fe;
  --c-success:#28a745;
  --c-danger:#dc2626;
  --c-text:#1f2328;
  --c-muted:#6b7280;
  --c-border:#e5e7eb;
  --c-bg:#fff;
  --c-bg-soft:#f9fafb;
  --radius:10px;
  --shadow:0 2px 10px rgba(0,0,0,.06);
  --shadow-lg:0 20px 50px rgba(0,0,0,.18);
  --container:1200px;
  --font: "Noto Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;height:100%}
body{
  margin:0;
  min-height:100%;
  display:flex;
  flex-direction:column;
  font-family:var(--font);
  font-size:16px;
  line-height:1.5;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
main{flex:1 0 auto}
.footer{flex-shrink:0}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0}

.container{width:min(100% - 32px, var(--container));margin-inline:auto}

/* ---------- Feather ---------- */
.feather{width:18px;height:18px;stroke-width:2;flex-shrink:0;vertical-align:middle}
.feather--lg{width:22px;height:22px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 18px;border-radius:var(--radius);
  font-weight:600;text-align:center;
  transition:filter .15s,background .15s,color .15s,border-color .15s;
}
.btn--lg{padding:14px 24px;font-size:15px}
.btn--block{width:100%}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{filter:brightness(1.08)}
.btn-outline{background:#fff;border:1px solid var(--c-border);color:var(--c-text)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* ---------- Breadcrumb ---------- */
.section{padding:28px 0}
.breadcrumb{
  display:flex;flex-wrap:wrap;gap:8px;list-style:none;
  margin:0;padding:0;font-size:14px;color:var(--c-muted);
}
.breadcrumb__item + .breadcrumb__item::before{content:"/";margin-right:8px;color:var(--c-border)}
.breadcrumb__link:hover{color:var(--c-primary)}
.breadcrumb__item.active{color:var(--c-text)}

/* ---------- Header ---------- */
.header{background:#fff;border-bottom:1px solid var(--c-border);position:sticky;top:0;z-index:20}
.header-top{font-size:14px;color:var(--c-muted)}
.header-top .container{
  display:flex;align-items:center;gap:24px;
  min-height:48px;padding-block:6px;
  flex-wrap:wrap;justify-content:space-between;
}
.header-top__main-nav{display:flex;gap:20px}
.main-nav__list{display:flex;gap:20px;list-style:none;margin:0;padding:0}
.main-nav__link{color:var(--c-text);font-weight:500}
.main-nav__link:hover{color:var(--c-primary)}
.location__header{display:flex;align-items:center;gap:6px}
.contacts__link{font-weight:600;color:var(--c-text);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.call-back{margin-left:auto}
.call-back__link{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border:1px solid var(--c-primary);
  border-radius:var(--radius);color:var(--c-primary);font-weight:600;
  transition:background .15s,color .15s;
  margin-block:6px;line-height:1.2;
}
.call-back__link:hover{background:var(--c-primary);color:#fff}

.header-main{padding:10px 0}
.header-main .container{display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:space-between}
.logo__img{display:block;height:36px;width:auto}
.catalog-nav__header{
  display:flex;align-items:center;gap:10px;
  padding:8px 14px;background:var(--c-primary);color:#fff;
  border-radius:var(--radius);font-weight:600;
}
.catalog-nav__title{color:#fff}
.catalog-nav__header .feather{stroke:currentColor}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.basket-prev{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--c-text);font-size:14px;font-weight:500;position:relative;
}
.basket-prev:hover{color:var(--c-primary)}
.basket-prev__count{
  display:none;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;border-radius:999px;
  padding:0 6px;font-size:12px;font-weight:600;min-width:20px;height:20px;
  line-height:1;text-align:center;
}
.basket-prev__count.is-visible{display:inline-flex}

/* ---------- Mobile menu ---------- */
.mobile-menu{position:relative}
.mobile-menu__overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.45);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease, visibility .25s ease;
  z-index:99;
}
.mobile-menu.open .mobile-menu__overlay{opacity:1;visibility:visible}
.hamburger{display:inline-flex;align-items:center;gap:10px;cursor:pointer;padding:6px 0}
.hamburger__title{font-weight:600;color:var(--c-text)}
.nav-drill{
  position:fixed;inset:0 30% 0 0;max-width:340px;background:#fff;
  transform:translateX(-100%);transition:transform .25s ease;
  z-index:100;overflow-y:auto;padding:20px;box-shadow:var(--shadow);
}
.mobile-menu.open .nav-drill{transform:translateX(0)}
.nav-items{list-style:none;margin:0;padding:0}
.nav-item{border-bottom:1px solid var(--c-border)}
.nav-link{display:block;padding:12px 0;font-weight:500;color:var(--c-text)}
.nav-link:hover{color:var(--c-primary)}
.nav-expand-content{display:none;padding-left:16px;list-style:none}
.nav-expand.open > .nav-expand-content{display:block}
body.menu-open{overflow:hidden}

/* ---------- Popups ---------- */
.popup{
  position:fixed;inset:0;z-index:200;
  display:none;place-items:center;
  background:rgba(0,0,0,.55);
  padding:16px;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
}
.popup.open{display:grid}

.popup__dialog{
  position:relative;
  background:#fff;border-radius:var(--radius);
  width:min(100%, 460px);
  max-height:calc(100dvh - 32px);
  box-shadow:var(--shadow-lg);
  overflow:auto;
  -webkit-overflow-scrolling:touch;
  padding:24px;
}
.popup__dialog--wide{width:min(100%, 680px)}

.popup__dialog:has(> .popup__scroll){
  overflow:hidden;
  padding:0;
  display:flex;
  flex-direction:column;
}
.popup__scroll{
  overflow:auto;
  -webkit-overflow-scrolling:touch;
  padding:24px;
  flex:1 1 auto;
  min-height:0;
}

/* Заголовок */
.popup__header{margin:0 0 16px;padding-right:44px}
.popup__header:last-child{margin-bottom:0}
.popup__header p{color:var(--c-muted);font-size:14px;margin:0}
.popup__title{
  font-size:20px;font-weight:700;
  display:block;margin:0 0 6px;
  line-height:1.25;
}

/* Кнопка закрытия */
.popup__close{
  position:absolute;
  top:12px;right:12px;
  width:36px;height:36px;
  border-radius:50%;
  display:grid;place-items:center;
  background:#f3f4f6;color:var(--c-text);
  transition:background .15s;
  z-index:2;
}
.popup__close:hover{background:#e5e7eb}
.popup__close .feather,
.popup__close svg{width:18px;height:18px;stroke:currentColor}

/* ---------- Форма и поля внутри поп-апа ---------- */
/* Все селекторы ниже специфичны для .popup, чтобы не зависеть от чужих стилей */
.popup .popup__body{display:block}
.popup .form,
.popup .form__body{display:grid;gap:14px}
.popup .form__body{gap:12px}
.popup .form-line{
  display:grid;
  gap:6px;
  margin:0;
}

.popup .input-field,
.popup input[type="text"].input-field,
.popup input[type="tel"].input-field,
.popup input[type="email"].input-field{
  display:block;
  width:100%;
  height:auto;
  min-height:44px;
  margin:0;
  padding:12px 14px;
  font-family:inherit;
  font-size:15px;
  line-height:1.3;
  color:var(--c-text);
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius);
  outline:none;
  box-shadow:none;
  -webkit-appearance:none;
  appearance:none;
  transition:border-color .15s, box-shadow .15s;
}
.popup .input-field::placeholder{color:#9aa3b2}
.popup .input-field:focus{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(44,120,254,.15);
}
.popup .input-field:invalid:not(:placeholder-shown){
  border-color:#f0a9a9;
}
.popup .input-field[aria-invalid="true"]{
  border-color:var(--c-danger);
}

.popup .form__footer{
  margin-top:6px;
  display:grid;
  gap:12px;
}
.popup .btn,
.popup button.btn{
  width:100%;
}
.popup .btn-primary{background:var(--c-primary);color:#fff}
.popup .btn-primary:hover{filter:brightness(1.08)}

.popup .form__warning{
  font-size:12px;
  color:var(--c-muted);
  margin:0;
  line-height:1.5;
}
.popup .form__link{color:var(--c-primary);text-decoration:underline}

/* Мобильная адаптация */
@media (max-width:520px){
  .popup{padding:12px}
  .popup__dialog{padding:20px;max-height:calc(100dvh - 24px)}
  .popup__dialog:has(> .popup__scroll){padding:0}
  .popup__scroll{padding:20px}
  .popup__header{padding-right:40px}
  .popup__close{top:10px;right:10px;width:32px;height:32px}
  .popup .input-field{padding:11px 12px;font-size:15px}
}

/* ---------- Specs (raw HTML from DB, cleaned) ---------- */
.specs-raw{
  font-size:14px;line-height:1.6;color:var(--c-text);max-width:100%;
}
.specs-raw p{margin:0 0 8px}
.specs-raw p:last-child{margin-bottom:0}
.specs-raw br{line-height:1}
.specs-raw strong,
.specs-raw b{color:var(--c-primary);font-weight:700}
.specs-raw span{color:inherit;font-family:inherit;font-size:inherit}
.specs-raw a{color:var(--c-primary);text-decoration:underline}
.specs-raw ul,
.specs-raw ol{margin:0 0 8px;padding-left:20px}
.specs-raw li{margin:0 0 4px}
.specs-raw:empty::before{
  content:"Характеристики уточняются";
  color:var(--c-muted);
}

/* ---------- Product card (modal .pc, reusable) ---------- */
.pc{display:grid;gap:20px}
.pc__head{display:flex;gap:16px;align-items:flex-start}
.pc__img{
  flex:0 0 140px;height:140px;border-radius:var(--radius);
  background:var(--c-bg-soft);display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.pc__img img{max-width:100%;max-height:100%;object-fit:contain}
.pc__title{font-size:20px;font-weight:700;margin:0 0 8px;line-height:1.3}
.pc__price{font-size:22px;font-weight:800;color:var(--c-text);margin:0 0 4px}
.pc__price .pc__currency{font-size:16px;font-weight:700;color:var(--c-muted);margin-left:2px}
.pc__stock{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:#15803d;font-weight:600;
}
.pc__stock .feather{width:16px;height:16px;stroke:currentColor}
.pc__note{
  font-size:13px;color:#b45309;background:#fffbeb;
  border:1px solid #fde68a;border-radius:var(--radius);
  padding:10px 12px;margin:0;
}
.pc__tabs{
  display:flex;gap:4px;border-bottom:1px solid var(--c-border);
  margin-top:4px;
}
.pc__tab{
  position:relative;
  padding:10px 14px;font-weight:600;font-size:14px;color:var(--c-muted);
  border-radius:var(--radius) var(--radius) 0 0;
  transition:color .15s,background .15s;
}
.pc__tab:hover{color:var(--c-text);background:#f9fafb}
.pc__tab[aria-selected="true"]{color:var(--c-primary)}
.pc__tab[aria-selected="true"]::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.pc__panels{padding-top:14px}
.pc__panel[hidden]{display:none}
.pc__desc{font-size:14px;line-height:1.65;color:var(--c-text)}
.pc__desc p{margin:0 0 12px}
.pc__desc p:last-child{margin-bottom:0}
.pc__desc ul,.pc__desc ol{margin:0 0 12px;padding-left:20px}
.pc__desc li{margin-bottom:4px}
.pc__desc h4{margin:0 0 8px;font-size:15px;font-weight:700}
.pc__footer{
  display:flex;gap:10px;flex-wrap:wrap;
  border-top:1px solid var(--c-border);padding-top:16px;margin-top:4px;
}
.pc__cart{flex:1;min-width:160px}
.pc__footer .btn-go-cart{display:none;margin:0;flex:1;height:44px}
.pc__footer .btn-go-cart.is-visible{display:inline-flex;align-items:center;justify-content:center}

/* ---------- Footer ---------- */
.footer{background:var(--c-bg-soft);border-top:1px solid var(--c-border);margin-top:40px}
.footer-top{padding:40px 0}
.footer-main{display:grid;gap:32px;grid-template-columns:repeat(auto-fit, minmax(220px, 1fr))}
.footer__title{display:block;font-weight:700;margin-bottom:14px;font-size:16px}
.footer-nav__list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer-nav__link{color:var(--c-muted);font-size:14px}
.footer-nav__link:hover{color:var(--c-primary)}
.footer-contacts{margin-bottom:14px;font-size:14px;color:var(--c-muted)}
.footer-contacts__title{display:block;font-weight:600;color:var(--c-text);margin-bottom:4px}
.footer-contacts__link{color:var(--c-text);font-weight:500}
.payment-types__list,
.social-types__list{display:flex;gap:10px;list-style:none;margin:0 0 20px;padding:0}
.payment-types__logo{height:18px;width:auto}
.social-types__image{height:24px;width:24px}
.footer-bottom{border-top:1px solid var(--c-border);padding:16px 0}
.footer-bottom__line{display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:13px;color:var(--c-muted)}
.footer-bottom__link{color:var(--c-muted)}
.footer-bottom__link:hover{color:var(--c-primary)}
.footer-bottom__copyright{margin-left:auto}

/* ---------- Cookie / To top ---------- */
.user-cookie{
  position:fixed;left:16px;right:16px;bottom:16px;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);
  padding:12px 16px;font-size:13px;color:var(--c-muted);
  box-shadow:var(--shadow);z-index:150;
  display:flex;gap:10px;align-items:center;flex-wrap:wrap;
}
.user-cookie a{color:var(--c-primary);text-decoration:underline}
.user-cookie-close{margin-left:auto;font-size:20px;line-height:1;color:var(--c-muted)}
.gototop{position:fixed;right:16px;bottom:80px;z-index:140}
.back-to-top{
  display:none;width:44px;height:44px;border-radius:50%;
  background:var(--c-primary);color:#fff;place-items:center;box-shadow:var(--shadow);
}
.back-to-top.visible{display:grid}
.back-to-top .feather{width:22px;height:22px;stroke:currentColor}

/* ---------- Utils ---------- */
.no-mobile{display:none}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

@media (min-width:768px){
  .no-mobile{display:flex}
  .header-main__mobile-menu{display:none}
}
@media (max-width:767px){
  .header-top{display:none}
  .header-main{padding:8px 0}
  .header-main .container{justify-content:space-between}
  .logo__img{height:28px}
  .header-main__catalog-nav{display:none}
  .header-actions{margin-left:0}
  .basket-prev--account{display:none}
  .basket-prev__title{display:none}
  .call-back{margin-left:0}
}