/* ==========================================================
   SKYLINE THREADS — MAIN STYLESHEET
   Palette: White + Black + Light Grey + Red Sale Accent
========================================================== */

:root{
  --bg:#FFFFFF;
  --text:#111111;
  --text-secondary:#666666;
  --light-bg:#F7F7F7;
  --border:#E5E5E5;
  --accent:#111111;
  --sale:#E53935;
  --success:#16803C;
  --radius:5px;
  --container:1280px;
}

*{box-sizing:border-box;margin:0;padding:0;}

body{
  font-family:'Inter', Arial, sans-serif;
  color:var(--text);
  background:var(--bg);
  font-size:15px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

a{text-decoration:none;color:inherit;}
ul{list-style:none;}
img{max-width:100%;display:block;}
button, input, select, textarea{font-family:inherit;font-size:inherit;}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media(max-width:768px){ .container{padding:0 16px;} }

h1,h2,h3,h4{
  font-weight:700;
  letter-spacing:-0.02em;
  line-height:1.2;
}

.section{ padding:60px 0; }
@media(max-width:768px){ .section{ padding:38px 0; } }

.section-title{
  text-align:center;
  font-size:26px;
  text-transform:uppercase;
  letter-spacing:0.06em;
  margin-bottom:8px;
}
.section-subtitle{
  text-align:center;
  color:var(--text-secondary);
  margin-bottom:34px;
  font-size:14px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:4px;
  font-weight:600;
  font-size:13px;
  letter-spacing:0.05em;
  text-transform:uppercase;
  border:1px solid var(--accent);
  cursor:pointer;
  transition:all .2s ease;
}
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ opacity:.85; transform:translateY(-1px); }
.btn-outline{ background:transparent; color:var(--accent); }
.btn-outline:hover{ background:var(--accent); color:#fff; }
.btn-block{ width:100%; }
.btn-sm{ padding:9px 16px; font-size:12px; }

/* ---------------- TOP OFFER BAR ---------------- */
.top-bar{
  background:#111111;
  color:#fff;
  text-align:center;
  font-size:12.5px;
  letter-spacing:0.04em;
  padding:9px 12px;
  font-weight:500;
}
.top-bar i{ margin-right:6px; }

/* ---------------- HEADER ---------------- */
.site-header{
  background:#fff;
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:100;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 0;
  gap:20px;
}
.logo{
  font-size:22px;
  font-weight:800;
  letter-spacing:0.02em;
  text-transform:uppercase;
  white-space:nowrap;
}
.logo span{ color:var(--sale); }

.main-nav{ display:flex; gap:28px; }
.main-nav a{
  font-size:13.5px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:0.03em;
  position:relative;
  padding:6px 0;
}
.main-nav a:hover{ color:var(--sale); }

.header-icons{ display:flex; align-items:center; gap:20px; }
.header-icons a{ position:relative; font-size:18px; color:var(--text); }
.header-icons a:hover{ color:var(--sale); }
.icon-badge{
  position:absolute;
  top:-8px; right:-10px;
  background:var(--sale);
  color:#fff;
  font-size:10px;
  font-weight:700;
  border-radius:50%;
  width:16px;height:16px;
  display:flex;align-items:center;justify-content:center;
}
.mobile-toggle{ display:none; font-size:20px; background:none;border:none;cursor:pointer;}

.search-form{ display:flex; align-items:center; gap:10px; flex:1; max-width:340px; }
.search-form input{
  border:1px solid var(--border);
  padding:9px 14px;
  border-radius:4px;
  width:100%;
  font-size:13px;
}

@media(max-width:992px){
  .main-nav{
    display:none;
    position:absolute; top:100%; left:0; right:0;
    background:#fff; border-top:1px solid var(--border);
    flex-direction:column; padding:14px 24px; gap:14px;
  }
  .main-nav.open{ display:flex; }
  .mobile-toggle{ display:block; }
  .search-form{ display:none; }
}

/* ---------------- BREADCRUMB ---------------- */
.breadcrumb{
  font-size:12.5px;
  color:var(--text-secondary);
  padding:16px 0;
}
.breadcrumb a:hover{ color:var(--sale); }

/* ---------------- HERO ---------------- */
.hero{
  position:relative;
  background:var(--light-bg);
  min-height:420px;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.hero img.hero-bg{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
}
.hero-overlay{
  position:relative; z-index:2;
  padding:60px;
  color:#fff;
  background:linear-gradient(90deg, rgba(0,0,0,.55), rgba(0,0,0,0));
  width:100%;
}
.hero-overlay h1{
  font-size:40px; text-transform:uppercase; margin-bottom:12px;
}
.hero-overlay p{ margin-bottom:22px; font-size:16px; }
@media(max-width:768px){
  .hero{ min-height:280px; }
  .hero-overlay{ padding:24px; }
  .hero-overlay h1{ font-size:26px; }
}

/* ---------------- CATEGORY GRID ---------------- */
.category-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px;
}
@media(max-width:992px){ .category-grid{ grid-template-columns:repeat(3,1fr);} }
@media(max-width:576px){ .category-grid{ grid-template-columns:repeat(2,1fr); gap:12px;} }

.category-card{ text-align:center; cursor:pointer; }
.category-card .img-wrap{
  background:var(--light-bg);
  border-radius:var(--radius);
  overflow:hidden;
  aspect-ratio:1/1;
  margin-bottom:10px;
  transition:transform .25s ease;
}
.category-card:hover .img-wrap{ transform:translateY(-4px); }
.category-card .img-wrap img{ width:100%; height:100%; object-fit:cover; }
.category-card span{ font-size:13.5px; font-weight:600; text-transform:uppercase; }

/* ---------------- PRODUCT GRID / CARD ---------------- */
.product-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
@media(max-width:992px){ .product-grid{ grid-template-columns:repeat(3,1fr); gap:18px;} }
@media(max-width:576px){ .product-grid{ grid-template-columns:repeat(2,1fr); gap:12px;} }

.product-card{
  position:relative;
  background:#fff;
}
.product-card .thumb{
  position:relative;
  background:var(--light-bg);
  border-radius:var(--radius);
  overflow:hidden;
  aspect-ratio:3/4;
  margin-bottom:12px;
}
.product-card .thumb img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .4s ease;
}
.product-card:hover .thumb img{ transform:scale(1.05); }

.badge-sale{
  position:absolute; top:10px; left:10px;
  background:var(--sale); color:#fff;
  font-size:11px; font-weight:700;
  padding:4px 8px; border-radius:3px;
}
.badge-new{
  position:absolute; top:10px; left:10px;
  background:var(--accent); color:#fff;
  font-size:11px; font-weight:700;
  padding:4px 8px; border-radius:3px;
}
.wishlist-btn{
  position:absolute; top:8px; right:8px;
  background:#fff;
  width:34px;height:34px;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  border:1px solid var(--border);
  cursor:pointer;
  font-size:14px;
  transition:.2s;
}
.wishlist-btn:hover, .wishlist-btn.active{ background:var(--sale); border-color:var(--sale); color:#fff; }

.quick-add{
  position:absolute; bottom:0; left:0; right:0;
  background:var(--accent); color:#fff;
  text-align:center; padding:10px;
  font-size:12px; font-weight:600; text-transform:uppercase;
  opacity:0; transform:translateY(8px);
  transition:.25s;
}
.product-card:hover .quick-add{ opacity:1; transform:translateY(0); }

.product-card h3{
  font-size:14px; font-weight:500;
  margin-bottom:6px;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.price-row{ display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.price-current{ font-weight:700; font-size:15px; }
.price-old{ color:var(--text-secondary); text-decoration:line-through; font-size:13px; }
.price-discount{ color:var(--sale); font-size:12.5px; font-weight:600; }

/* ---------------- CAROUSEL (simple) ---------------- */
.carousel-track{
  display:flex; gap:24px; overflow-x:auto; scroll-behavior:smooth;
  padding-bottom:8px;
}
.carousel-track::-webkit-scrollbar{ height:5px; }
.carousel-track::-webkit-scrollbar-thumb{ background:var(--border); border-radius:4px;}
.carousel-track .product-card{ min-width:240px; flex:0 0 240px; }
@media(max-width:576px){ .carousel-track .product-card{ min-width:160px; flex:0 0 160px; } }

.carousel-header{ display:flex; align-items:center; justify-content:space-between; margin-bottom:22px;}
.view-all{ font-size:13px; font-weight:600; text-transform:uppercase; border-bottom:1px solid var(--accent);}

/* ---------------- PROMO BANNER ---------------- */
.promo-banner{
  position:relative;
  background:var(--accent);
  color:#fff;
  border-radius:var(--radius);
  overflow:hidden;
  min-height:260px;
  display:flex; align-items:center; justify-content:center;
  text-align:center;
  flex-direction:column;
  gap:14px;
}
.promo-banner img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:.55;}
.promo-banner .content{ position:relative; z-index:2; }
.promo-banner h2{ font-size:30px; text-transform:uppercase; }
.promo-banner p{ font-size:15px; opacity:.9; }

/* ---------------- FILTER SIDEBAR ---------------- */
.shop-layout{ display:grid; grid-template-columns:250px 1fr; gap:36px; }
@media(max-width:900px){ .shop-layout{ grid-template-columns:1fr; } }

.filter-block{ margin-bottom:28px; }
.filter-block h4{
  font-size:13px; text-transform:uppercase; letter-spacing:.04em;
  margin-bottom:14px; padding-bottom:8px; border-bottom:1px solid var(--border);
}
.filter-option{ display:flex; align-items:center; gap:8px; margin-bottom:10px; font-size:13.5px; cursor:pointer;}

.sort-bar{
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:24px; flex-wrap:wrap; gap:10px;
}
.sort-bar select{
  border:1px solid var(--border); padding:9px 12px; border-radius:4px; font-size:13px;
}
.filter-toggle-mobile{ display:none; }
@media(max-width:900px){
  .filter-toggle-mobile{ display:inline-flex; }
  .filter-sidebar{ display:none; }
  .filter-sidebar.open{ display:block; }
}

/* ---------------- PRODUCT DETAILS ---------------- */
.product-detail{ display:grid; grid-template-columns:1fr 1fr; gap:50px; }
@media(max-width:900px){ .product-detail{ grid-template-columns:1fr; gap:24px;} }

.gallery-main{
  background:var(--light-bg); border-radius:var(--radius); overflow:hidden;
  aspect-ratio:1/1; margin-bottom:14px;
}
.gallery-main img{ width:100%; height:100%; object-fit:cover; }
.gallery-thumbs{ display:flex; gap:10px; }
.gallery-thumbs img{
  width:70px; height:70px; object-fit:cover; border-radius:4px;
  border:1px solid var(--border); cursor:pointer;
}
.gallery-thumbs img.active{ border-color:var(--accent); }

.pd-title{ font-size:24px; margin-bottom:6px; }
.pd-rating{ color:#F5A623; font-size:14px; margin-bottom:12px; }
.pd-price{ font-size:24px; font-weight:700; margin-bottom:14px; }
.pd-price .price-old{ font-size:16px; margin-left:8px; }
.pd-price .price-discount{ font-size:14px; margin-left:6px;}
.pd-desc{ color:var(--text-secondary); margin-bottom:20px; font-size:14px; }

.option-group{ margin-bottom:20px; }
.option-group label.title{ font-size:13px; font-weight:700; text-transform:uppercase; display:block; margin-bottom:10px;}
.size-options, .color-options{ display:flex; gap:10px; flex-wrap:wrap; }
.size-box{
  width:42px; height:42px; border:1px solid var(--border); border-radius:4px;
  display:flex; align-items:center; justify-content:center; cursor:pointer; font-size:13px;
}
.size-box.active, .size-box:hover{ border-color:var(--accent); background:var(--accent); color:#fff; }
.color-dot{
  width:30px; height:30px; border-radius:50%; border:2px solid var(--border); cursor:pointer;
}
.color-dot.active{ border-color:var(--accent); }

.qty-box{ display:flex; align-items:center; border:1px solid var(--border); border-radius:4px; width:fit-content; }
.qty-box button{ width:38px; height:38px; background:none; border:none; cursor:pointer; font-size:16px; }
.qty-box input{ width:44px; text-align:center; border:none; }

.pd-actions{ display:flex; gap:12px; margin:20px 0; flex-wrap:wrap;}
.pd-actions .btn{ flex:1; min-width:150px; }
.wishlist-link{ display:inline-flex; align-items:center; gap:8px; font-size:13.5px; font-weight:600; }

.tabs{ margin-top:50px; border-top:1px solid var(--border); }
.tab-headers{ display:flex; gap:30px; border-bottom:1px solid var(--border); flex-wrap:wrap;}
.tab-headers button{
  background:none; border:none; padding:16px 0; font-size:13px; font-weight:700;
  text-transform:uppercase; cursor:pointer; color:var(--text-secondary); border-bottom:2px solid transparent;
}
.tab-headers button.active{ color:var(--text); border-color:var(--accent); }
.tab-content{ padding:26px 0; font-size:14px; color:var(--text-secondary); display:none; }
.tab-content.active{ display:block; }

.review-card{ border-bottom:1px solid var(--border); padding:18px 0; }
.review-card .stars{ color:#F5A623; margin-bottom:6px; font-size:13px;}
.verified-badge{ color:var(--success); font-size:11.5px; font-weight:700; margin-left:8px;}

/* ---------------- CART / CHECKOUT ---------------- */
.cart-layout{ display:grid; grid-template-columns:1fr 340px; gap:36px; align-items:flex-start; }
@media(max-width:900px){ .cart-layout{ grid-template-columns:1fr;} }

.cart-item{
  display:flex; gap:16px; padding:18px 0; border-bottom:1px solid var(--border); align-items:center;
}
.cart-item img{ width:80px; height:100px; object-fit:cover; border-radius:4px; background:var(--light-bg);}
.cart-item .info{ flex:1; }
.cart-item .info h4{ font-size:14px; margin-bottom:4px;}
.cart-item .variant{ font-size:12.5px; color:var(--text-secondary); }
.cart-item .remove-link{ font-size:12.5px; color:var(--sale); margin-top:6px; display:inline-block; cursor:pointer;}

.summary-box{
  background:var(--light-bg); border-radius:var(--radius); padding:24px;
}
.summary-box h3{ font-size:15px; text-transform:uppercase; margin-bottom:18px; }
.summary-row{ display:flex; justify-content:space-between; font-size:14px; margin-bottom:12px; }
.summary-row.total{ font-weight:700; font-size:16px; border-top:1px solid var(--border); padding-top:14px; margin-top:14px;}
.coupon-box{ display:flex; gap:8px; margin:16px 0;}
.coupon-box input{ flex:1; border:1px solid var(--border); padding:10px; border-radius:4px; font-size:13px;}

.checkout-steps{ display:flex; gap:20px; margin-bottom:30px; }
.checkout-steps .step{ display:flex; align-items:center; gap:8px; font-size:13px; font-weight:700; color:var(--text-secondary);}
.checkout-steps .step.active{ color:var(--text); }
.checkout-steps .step span{
  width:26px;height:26px;border-radius:50%;background:var(--light-bg);
  display:flex;align-items:center;justify-content:center;font-size:12px;
}
.checkout-steps .step.active span{ background:var(--accent); color:#fff; }

.address-card{
  border:1px solid var(--border); border-radius:var(--radius); padding:16px; margin-bottom:12px; cursor:pointer; position:relative;
}
.address-card.selected{ border-color:var(--accent); }
.address-card .default-tag{ font-size:11px; color:var(--success); font-weight:700; }

.payment-option{
  border:1px solid var(--border); border-radius:var(--radius); padding:14px 16px; margin-bottom:10px;
  display:flex; align-items:center; gap:10px; cursor:pointer; font-size:14px; font-weight:600;
}
.payment-option.selected{ border-color:var(--accent); background:var(--light-bg); }

/* ---------------- FORMS ---------------- */
.form-group{ margin-bottom:18px; }
.form-group label{ display:block; font-size:13px; font-weight:600; margin-bottom:7px; }
.form-group input, .form-group select, .form-group textarea{
  width:100%; border:1px solid var(--border); padding:12px 14px; border-radius:4px; font-size:14px;
}
.form-group input:focus, .form-group textarea:focus{ outline:none; border-color:var(--accent); }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media(max-width:576px){ .form-row{ grid-template-columns:1fr;} }

.auth-card{
  max-width:420px; margin:60px auto; background:#fff;
  border:1px solid var(--border); border-radius:var(--radius); padding:40px;
}
.auth-card h2{ text-align:center; margin-bottom:6px; text-transform:uppercase; font-size:22px;}
.auth-card p.sub{ text-align:center; color:var(--text-secondary); margin-bottom:26px; font-size:13.5px;}
.auth-switch{ text-align:center; margin-top:18px; font-size:13.5px; }
.auth-switch a{ font-weight:700; text-decoration:underline; }

/* ---------------- ACCOUNT ---------------- */
.account-layout{ display:grid; grid-template-columns:240px 1fr; gap:36px; }
@media(max-width:900px){ .account-layout{ grid-template-columns:1fr;} }
.account-sidebar{ border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; height:fit-content;}
.account-sidebar a{
  display:flex; align-items:center; gap:10px; padding:13px 18px; font-size:13.5px; font-weight:600;
  border-bottom:1px solid var(--border);
}
.account-sidebar a:last-child{ border-bottom:none; }
.account-sidebar a:hover, .account-sidebar a.active{ background:var(--light-bg); color:var(--sale);}

.stat-cards{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:30px;}
@media(max-width:768px){ .stat-cards{ grid-template-columns:repeat(2,1fr);} }
.stat-card{
  border:1px solid var(--border); border-radius:var(--radius); padding:20px; text-align:center;
}
.stat-card .num{ font-size:26px; font-weight:800; }
.stat-card .label{ font-size:12.5px; color:var(--text-secondary); text-transform:uppercase; margin-top:4px;}

.order-card{ border:1px solid var(--border); border-radius:var(--radius); padding:18px; margin-bottom:16px;}
.order-card .top-row{ display:flex; justify-content:space-between; margin-bottom:10px; flex-wrap:wrap; gap:8px;}
.order-card .order-id{ font-weight:700; }
.order-card .actions{ display:flex; gap:10px; margin-top:12px; flex-wrap:wrap;}

.badge{ display:inline-block; padding:4px 10px; border-radius:20px; font-size:11.5px; font-weight:700; text-transform:uppercase;}
.badge-grey{ background:#EEE; color:#555; }
.badge-blue{ background:#E3EEFC; color:#1D5FBF; }
.badge-green{ background:#E4F5E9; color:var(--success); }
.badge-red{ background:#FCE7E6; color:var(--sale); }

table.data-table{ width:100%; border-collapse:collapse; font-size:13.5px;}
table.data-table th, table.data-table td{ padding:12px 14px; border-bottom:1px solid var(--border); text-align:left;}
table.data-table th{ background:var(--light-bg); text-transform:uppercase; font-size:11.5px; letter-spacing:.03em;}

/* ---------------- ORDER TRACKING TIMELINE ---------------- */
.tracking-timeline{ display:flex; flex-direction:column; gap:0; margin:24px 0; }
.tracking-step{ display:flex; gap:14px; }
.tracking-step .dot-line{ display:flex; flex-direction:column; align-items:center; }
.tracking-step .dot{
  width:22px;height:22px;border-radius:50%;background:var(--border);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;
}
.tracking-step.done .dot{ background:var(--success); }
.tracking-step.current .dot{ background:var(--accent); }
.tracking-step .line{ width:2px; flex:1; background:var(--border); min-height:30px;}
.tracking-step.done .line{ background:var(--success); }
.tracking-step .info{ padding-bottom:26px; }
.tracking-step .info h4{ font-size:14px; }
.tracking-step .info span{ font-size:12px; color:var(--text-secondary); }

/* ---------------- FOOTER ---------------- */
.site-footer{ background:#111111; color:#CCCCCC; padding:60px 0 20px; margin-top:60px;}
.footer-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:30px; margin-bottom:40px;}
@media(max-width:768px){ .footer-grid{ grid-template-columns:repeat(2,1fr);} }
.footer-grid h4{ color:#fff; font-size:13px; text-transform:uppercase; letter-spacing:.05em; margin-bottom:16px;}
.footer-grid a, .footer-grid p{ display:block; font-size:13.5px; margin-bottom:10px; color:#BBBBBB;}
.footer-grid a:hover{ color:#fff; }
.footer-social{ display:flex; gap:14px; }
.footer-social a{ width:34px;height:34px;border-radius:50%;background:#1F1F1F;display:flex;align-items:center;justify-content:center;}
.footer-bottom{ border-top:1px solid #262626; padding-top:20px; text-align:center; font-size:12.5px; color:#888;}

/* ---------------- CONTACT ---------------- */
.contact-cards{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-bottom:40px;}
@media(max-width:768px){ .contact-cards{ grid-template-columns:1fr;} }
.contact-card{ border:1px solid var(--border); border-radius:var(--radius); padding:26px; text-align:center;}
.contact-card i{ font-size:22px; margin-bottom:12px; }

/* ---------------- MISC ---------------- */
.empty-state{ text-align:center; padding:60px 20px; color:var(--text-secondary);}
.empty-state i{ font-size:44px; margin-bottom:16px; display:block; }
.alert{ padding:13px 16px; border-radius:4px; font-size:13.5px; margin-bottom:18px; }
.alert-success{ background:#E4F5E9; color:var(--success); }
.alert-error{ background:#FCE7E6; color:var(--sale); }
.pagination{ display:flex; justify-content:center; gap:8px; margin-top:34px;}
.pagination a{ width:36px;height:36px;border:1px solid var(--border);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:13px;}
.pagination a.active{ background:var(--accent); color:#fff; border-color:var(--accent);}

.cart-drawer{
  position:fixed; top:0; right:-400px; width:380px; max-width:100%; height:100vh;
  background:#fff; box-shadow:-4px 0 20px rgba(0,0,0,.1); z-index:999; transition:right .3s ease;
  display:flex; flex-direction:column;
}
.cart-drawer.open{ right:0; }
.cart-drawer-header{ display:flex; justify-content:space-between; align-items:center; padding:20px; border-bottom:1px solid var(--border);}
.cart-drawer-body{ flex:1; overflow-y:auto; padding:0 20px; }
.cart-drawer-footer{ padding:20px; border-top:1px solid var(--border); }
.drawer-overlay{ position:fixed; inset:0; background:rgba(0,0,0,.4); z-index:998; display:none; }
.drawer-overlay.open{ display:block; }