/* ============================================================
   ECOMMERCE TST — MAIN STYLESHEET
   TST Colors: #1F6F63 (primary), #00D4AA (accent), #0E2E2A (dark)
   Bootstrap 5.3.3 + Dark mode toggle
   ============================================================ */

:root {
  --primary:             #1F6F63;
  --primary-dark:        #165a50;
  --color-primary:       #1F6F63;
  --color-primary-dark:  #165a50;
  --color-primary-light: #00D4AA;
  --accent:              #00D4AA;
  --dark:                #0E2E2A;
  --tst-light:    #F0FAF8;
  --text-main:    #212529;
  --text-muted:   #6C757D;
  --border-color: #E9ECEF;
  --card-bg:      #ffffff;
  --nav-bg:       #ffffff;
  --input-bg:     #ffffff;
  --body-bg:      #f4fbf9;
  --radius:       12px;
  --radius-sm:    8px;
  --shadow-sm:    0 2px 8px rgba(0,0,0,.07);
  --shadow-md:    0 4px 20px rgba(0,0,0,.10);
  --transition:   .2s ease;
}

/* ── DARK MODE ── */
[data-theme="dark"] {
  --primary:      #00D4AA;
  --primary-dark: #00b894;
  --accent:       #00E5B6;
  --dark:         #0E2E2A;
  --tst-light:    #1a3d38;
  --text-main:    #e8f8f5;
  --text-muted:   #94b3ae;
  --border-color: #2a4f49;
  --card-bg:      #132e2a;
  --nav-bg:       #0d2622;
  --input-bg:     #1a3d38;
  --body-bg:      #0a1e1b;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  background: var(--body-bg);
  font-size: 15px;
  line-height: 1.6;
  transition: background .3s, color .3s;
}

/* ── FONT WEIGHTS ── */
.fw-900 { font-weight: 900 !important; }
.fw-800 { font-weight: 800 !important; }
.fw-700 { font-weight: 700 !important; }
.fw-600 { font-weight: 600 !important; }
.fw-500 { font-weight: 500 !important; }

/* ── TST BUTTONS ── */
.btn-tst {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: all var(--transition);
}
.btn-tst:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }

.btn-outline-tst {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: all var(--transition);
}
.btn-outline-tst:hover { background: var(--primary); color: #fff; }

/* ── FOOTER SOCIAL ICONS ── */
.footer-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  text-decoration: none;
  transition: all .2s;
}
.footer-social:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ── TOPBAR ── */
.topbar {
  background: var(--dark);
  font-size: 13px;
}
.topbar-link {
  color: rgba(255,255,255,.8);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition);
}
.topbar-link:hover { color: var(--accent); }
.topbar .dropdown-menu {
  z-index: 1100;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  margin-top: 0;
}
.topbar .dropdown-item { color: var(--text-main); }
.topbar .dropdown-item:hover { background: var(--tst-light); color: var(--primary); }

/* ── MAIN NAV ── */
#mainNav {
  border-bottom: 2px solid var(--primary);
  background: var(--nav-bg) !important;
  transition: background .3s, box-shadow .3s;
}

.nav-cat-link {
  font-weight: 600;
  text-decoration: none;
  color: var(--text-main);
  padding: 5px 10px;
  font-size: 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.nav-cat-link:hover { color: var(--primary); background: var(--tst-light); }

/* ── SECTION TITLES ── */
.section-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  position: relative;
  padding-bottom: 10px;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 44px; height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

/* ── PRODUCT CARDS ── */
.product-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.product-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  transform: translateY(-4px);
}
.product-img-wrap {
  background: var(--tst-light);
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-img {
  max-height: 150px;
  max-width: 100%;
  object-fit: contain;
  transition: transform .3s ease;
}
.product-card:hover .product-img { transform: scale(1.05); }
.product-img-placeholder {
  width: 100%; height: 150px;
}
.product-brand { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }
.product-name {
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-main) !important;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Badges */
.badge-discount {
  background: #e74c3c;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
  z-index: 1;
}
.badge-new {
  background: var(--accent);
  color: var(--dark);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
  z-index: 1;
}
.badge-featured {
  background: #f39c12;
  color: #fff;
  font-size: 12px;
  padding: 4px 6px;
  border-radius: 6px;
  z-index: 1;
}

/* Add to cart */
.btn-add-cart {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  padding: 8px;
  transition: all var(--transition);
}
.btn-add-cart:hover { background: var(--primary-dark); color: #fff; }

/* ── FORMS ── */
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(31,111,99,.15);
}
.form-control { background: var(--input-bg); color: var(--text-main); border-color: var(--border-color); }
.form-select  { background: var(--input-bg); color: var(--text-main); border-color: var(--border-color); }

/* ── PAGINATION ── */
.pagination .page-link {
  color: var(--primary);
  border: 1.5px solid var(--border-color);
  padding: 8px 14px;
  font-weight: 600;
  transition: all var(--transition);
  background: var(--card-bg);
}
.pagination .page-link:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination .page-item.active .page-link { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ── QTY CONTROL ── */
.qty-control { border: 1.5px solid var(--border-color) !important; border-radius: var(--radius-sm); overflow: hidden; }
.btn-qty {
  background: var(--tst-light);
  border: none;
  padding: 8px 14px;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  transition: background var(--transition);
  line-height: 1;
}
.btn-qty:hover { background: var(--primary); color: #fff; }
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; appearance: textfield; }

/* ── ACCORDION (FAQs) ── */
.accordion-button:not(.collapsed) {
  background: var(--tst-light);
  color: var(--primary);
  font-weight: 700;
}
.accordion-button:focus { box-shadow: 0 0 0 3px rgba(31,111,99,.15); }
.accordion-body { background: var(--card-bg); color: var(--text-main); }

/* ── THUMB ACTIVE (product detail) ── */
.thumb-active { border-color: var(--primary) !important; }

/* ── FOOTER ── */
.footer { background: #071714; }
.footer-top { border-top: 4px solid var(--primary); }
.footer-heading {
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 14px;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 8px; }
.footer-links a {
  color: rgba(255,255,255,.6);
  text-decoration: none;
  font-size: 13px;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }
.footer-social {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7);
  font-size: 16px;
  text-decoration: none;
  transition: all var(--transition);
}
.footer-social:hover { background: var(--primary); color: #fff; transform: scale(1.1); }
.footer-bottom { background: rgba(0,0,0,.25); border-top: 1px solid rgba(255,255,255,.06); }

/* ── SCROLL TO TOP ── */
#scrollTop {
  position: fixed;
  bottom: 80px; right: 24px;
  width: 44px; height: 44px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 18px;
  display: none;
  align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 1000;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
}
#scrollTop:hover { background: var(--primary-dark); transform: translateY(-3px); }
#scrollTop.visible { display: flex; }

/* ── ALERTS ── */
.alert-success { background: #d4f5ee; color: var(--primary); border-color: #a8e8d8; }
.alert-danger   { background: #fdecea; color: #c0392b; border-color: #f5c6cb; }
.alert-warning  { background: #fff3cd; color: #856404; border-color: #ffc107; }

/* ── CARD BASE ── */
.card { background: var(--card-bg); border-color: var(--border-color); }

/* ── TABLE DARK MODE ── */
.table { color: var(--text-main); }
.table-hover tbody tr:hover { background: var(--tst-light); }

/* ── BREADCRUMB ── */
.breadcrumb-item a { color: var(--primary); text-decoration: none; }
.breadcrumb-item.active { color: var(--text-muted); }

/* ── HERO CAROUSEL ── */
.hero-carousel { background: var(--dark); }
.hero-slide { position: relative; }

/* ── RESPONSIVE ── */
@media (max-width: 767px) {
  .hero-carousel { max-height: 300px !important; }
}
@media (max-width: 575px) {
  .section-title { font-size: 1.1rem; }
}