/* ══════════════════════════════════════════════════════════════
   K-TECH SOLUTIONS — Shared Theme System
   Light mode (default) / Dark mode (data-theme="dark")
   ══════════════════════════════════════════════════════════════ */

/* ── Light mode tokens — clean, airy, well-separated ───────── */
:root {
  --bg:           #FFFFFF;
  --bg-alt:       #F8F9FA;
  --bg-card:      #FFFFFF;
  --bg-nav:       rgba(255,255,255,0.98);
  --text:         #1A2B42;
  --text-muted:   #7A8FA6;
  --white:        #1A2B42;
  --border-col:   rgba(0,0,0,0.10);
  --shadow-col:   rgba(0,0,0,0.07);
  --card-bg:      #FFFFFF;
  --input-bg:     #F5F6F8;
  --input-border: #C8D3E0;

  /* Accent — professional teal for light mode */
  --cyan:         #0088A8;
  --cyan-light:   #00A8CC;
  --cyan-l:       #00A8CC;
  --cyan-dim:     rgba(0,136,168,0.09);
}

/* ── Dark mode tokens — true black theme ───────────────────── */
[data-theme="dark"] {
  --bg:           #000000;
  --bg-alt:       #0A0A0A;
  --bg-card:      #111111;
  --bg-nav:       rgba(0,0,0,0.97);
  --text:         #E4E4E7;
  --text-muted:   #8B8B95;
  --white:        #E4E4E7;
  --border-col:   rgba(255,255,255,0.08);
  --shadow-col:   rgba(0,0,0,0.5);
  --card-bg:      #111111;
  --input-bg:     rgba(255,255,255,0.06);
  --input-border: rgba(0,194,224,0.2);

  /* Accent — brighter for black backgrounds */
  --cyan:         #00C2E0;
  --cyan-light:   #33D4ED;
  --cyan-l:       #33D4ED;
  --cyan-dim:     rgba(0,194,224,0.08);
}

/* ── Theme-aware navbar ────────────────────────────────────── */
.navbar {
  background: var(--bg-nav) !important;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-col) !important;
}

/* ── Theme-aware cards & panels ─────────────────────────────── */
:root .filter-card,
:root .cart-item,
:root .summary-col .sum-card,
:root .panel,
:root .auth-card,
:root .ucard,
:root .saved-item {
  box-shadow: 0 1px 3px var(--shadow-col), 0 1px 2px var(--shadow-col);
}

/* Light mode — give cards subtle lift and separation */
:root:not([data-theme="dark"]) .filter-card,
:root:not([data-theme="dark"]) .cart-item,
:root:not([data-theme="dark"]) .panel,
:root:not([data-theme="dark"]) .auth-card,
:root:not([data-theme="dark"]) .ucard,
:root:not([data-theme="dark"]) .saved-item {
  box-shadow: 0 1px 4px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
}

/* ── Typography refinements ─────────────────────────────────── */

/* Reduce Barlow Condensed display weights globally */
.hero-title,
.section-title,
.cart-title,
.panel-title,
.filter-head h3,
.saved-head,
.upsell-title {
  font-weight: 600 !important;
  letter-spacing: 0 !important;
}

/* Price displays — slightly lighter */
.iprice,
.sprice,
.uprice,
.price,
.total-price,
.sum-total,
.sum-row .val {
  font-weight: 700 !important;
}

/* Reduce product card title weights */
.p-name,
.item-name,
.uname,
.sname {
  font-weight: 500;
}

/* Body text — ensure comfortable reading weight */
body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Reduce uppercase shouting — use sentence case for smaller labels */
.filter-head h3,
.saved-head,
.fl,
.slbl {
  letter-spacing: 0.03em !important;
}

/* Light mode — soften text contrast slightly */
:root:not([data-theme="dark"]) body {
  color: var(--text);
}

/* ── Theme toggle button ────────────────────────────────────── */
#themeToggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1.5px solid var(--border-col);
  box-shadow: 0 4px 18px var(--shadow-col);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  color: var(--cyan);
  transition: transform .2s, box-shadow .2s;
}
#themeToggle:hover {
  transform: scale(1.12);
  box-shadow: 0 6px 24px var(--shadow-col);
}
@media (max-width: 640px) {
  #themeToggle { bottom: 88px; }
}

/* ── Light mode — soften announcement bar ───────────────────── */
:root:not([data-theme="dark"]) .ann-bar {
  background: var(--bg-alt);
  color: var(--text);
  border-bottom: 1px solid var(--border-col);
}
:root:not([data-theme="dark"]) .ann-bar a {
  color: var(--cyan);
}

/* ── Light mode — soften category nav ──────────────────────── */
:root:not([data-theme="dark"]) .cat-nav {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-col);
}
:root:not([data-theme="dark"]) .cat-nav a {
  color: var(--text-muted);
}
:root:not([data-theme="dark"]) .cat-nav a:hover,
:root:not([data-theme="dark"]) .cat-nav a.active {
  color: var(--cyan);
}

/* ── Light mode — footer refinement ────────────────────────── */
:root:not([data-theme="dark"]) .footer,
:root:not([data-theme="dark"]) footer {
  background: var(--bg-alt);
  color: var(--text);
  border-top: 1px solid var(--border-col);
}

/* ── Light mode — hero section clean white ─────────────────── */
:root:not([data-theme="dark"]) .hero {
  background: #FFFFFF;
  color: var(--text);
}
:root:not([data-theme="dark"]) .hero-bg,
:root:not([data-theme="dark"]) .hero-grid,
:root:not([data-theme="dark"]) .hero-glow,
:root:not([data-theme="dark"]) .hero-grid-bg,
:root:not([data-theme="dark"]) .hero-glow-1,
:root:not([data-theme="dark"]) .hero-glow-2 {
  display: none;
}
/* ── Light mode — hero text colors for readability ────────── */
:root:not([data-theme="dark"]) .hero-title { color: #0F1E3C; }
:root:not([data-theme="dark"]) .hero-title em { color: #0891B2; }
:root:not([data-theme="dark"]) .hero-subtitle { color: #475569; }
:root:not([data-theme="dark"]) .hero-price-now { color: #0891B2; }
:root:not([data-theme="dark"]) .hero-badge { background: rgba(8,145,178,0.1); border-color: rgba(8,145,178,0.25); color: #0891B2; }
:root:not([data-theme="dark"]) .hero-badge-dot { background: #0891B2; }
:root:not([data-theme="dark"]) .hero .btn-outline { color: #1E293B; border-color: #CBD5E1; }
:root:not([data-theme="dark"]) .hero .btn-outline:hover { color: #0891B2; border-color: #0891B2; }
:root:not([data-theme="dark"]) .hero-dot { background: #CBD5E1; }
:root:not([data-theme="dark"]) .hero-dot.active { background: #0891B2; }

/* ── Light mode — deal/promo banners ───────────────────────── */
:root:not([data-theme="dark"]) .deal-banner,
:root:not([data-theme="dark"]) .promo-banner {
  background: var(--bg-alt);
  border: 1px solid var(--border-col);
}

/* ── Light mode — newsletter section ───────────────────────── */
:root:not([data-theme="dark"]) .newsletter,
:root:not([data-theme="dark"]) .newsletter-section {
  background: var(--bg-alt);
  border: 1px solid var(--border-col);
}

/* ── Light mode — mobile nav ───────────────────────────────── */
:root:not([data-theme="dark"]) .mobile-nav,
:root:not([data-theme="dark"]) .mob-nav {
  background: var(--bg-card);
  border-left: 1px solid var(--border-col);
}

/* ── Light mode — login/auth backgrounds ───────────────────── */
:root:not([data-theme="dark"]) .bg-wrap {
  opacity: 0.15;
}
:root:not([data-theme="dark"]) .bg-grid {
  opacity: 0.3;
}
:root:not([data-theme="dark"]) .bg-glow-1,
:root:not([data-theme="dark"]) .bg-glow-2 {
  opacity: 0.15;
}

/* ── Light mode — steps bar (checkout) ─────────────────────── */
:root:not([data-theme="dark"]) .steps-bar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-col);
}

/* ── Light mode — product cards ────────────────────────────── */
:root:not([data-theme="dark"]) .p-card,
:root:not([data-theme="dark"]) .product-card {
  box-shadow: 0 1px 4px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.03);
  border: 1px solid var(--border-col);
}

/* ── Light mode — breadcrumb current page ──────────────────── */
:root:not([data-theme="dark"]) .breadcrumb span {
  color: var(--text);
}

/* ── Light mode — sidebar account nav ──────────────────────── */
:root:not([data-theme="dark"]) .sidebar-card,
:root:not([data-theme="dark"]) .side-nav,
:root:not([data-theme="dark"]) .dash-card {
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

/* ── Spacing helpers — breathe more ────────────────────────── */
section {
  padding-top: 48px;
  padding-bottom: 48px;
}

/* ── Scrollbar for light mode ──────────────────────────────── */
:root:not([data-theme="dark"]) ::-webkit-scrollbar-thumb {
  background: #B0BEC5;
}
:root:not([data-theme="dark"]) ::-webkit-scrollbar-track {
  background: var(--bg);
}

/* ── Light mode — stronger section separation ──────────────── */

/* Alternate sections: odd = white, even = muted blue-grey */
:root:not([data-theme="dark"]) .categories-section {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-col);
}
:root:not([data-theme="dark"]) .deals-section,
:root:not([data-theme="dark"]) .new-section {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-col);
}

/* Category cards in light mode — visible lift */
:root:not([data-theme="dark"]) .cat-card {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
:root:not([data-theme="dark"]) .cat-card:hover {
  border-color: var(--cyan);
  box-shadow: 0 4px 16px rgba(0,136,168,0.12);
}

/* Stats strip — distinct from hero */
:root:not([data-theme="dark"]) .stats-strip {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-col);
}

/* Deal banner in light mode */
:root:not([data-theme="dark"]) .deal-banner {
  background: linear-gradient(135deg, #1A2B42 0%, #253B58 100%);
  color: #FFFFFF;
  border: none;
}

/* Section title — left accent line for better hierarchy */
:root:not([data-theme="dark"]) .section-title {
  color: #1A2B42;
}

/* Announcement bar */
:root:not([data-theme="dark"]) .ann-bar {
  background: #1A2B42;
  color: #E8EDF4;
  border-bottom: none;
}
:root:not([data-theme="dark"]) .ann-bar a {
  color: var(--cyan-light);
}

/* Nav logo image */
.nav-logo-img { height: 42px; width: auto; border-radius: 8px; object-fit: contain; }

/* Improve product card contrast in light mode */
:root:not([data-theme="dark"]) .product-card {
  box-shadow: 0 2px 8px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
  border: 1px solid #E5E7EB;
}
:root:not([data-theme="dark"]) .product-card:hover {
  box-shadow: 0 8px 28px rgba(0,136,168,0.12);
  border-color: var(--cyan);
}

/* Product image background — slightly distinct */
:root:not([data-theme="dark"]) .product-img-wrap {
  background: #FFFFFF;
}

/* Hero section in light mode — clean white */
:root:not([data-theme="dark"]) .hero {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-col);
}
:root:not([data-theme="dark"]) .hero-slide-img {
  filter: none;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 5%, black 95%, transparent 100%),
                      linear-gradient(to right, transparent 0%, black 3%, black 97%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(to bottom, transparent 0%, black 5%, black 95%, transparent 100%),
              linear-gradient(to right, transparent 0%, black 3%, black 97%, transparent 100%);
  mask-composite: intersect;
}

/* Footer */
:root:not([data-theme="dark"]) .footer,
:root:not([data-theme="dark"]) footer {
  background: #1A2B42;
  color: #C8D8E8;
  border-top: none;
}

/* ── Light mode — fix hardcoded white text in form inputs ───── */
/* These pages use color:#fff on .fi/.mp-input for dark mode;   */
/* override here so inputs are readable on light backgrounds.   */
:root:not([data-theme="dark"]) input,
:root:not([data-theme="dark"]) textarea,
:root:not([data-theme="dark"]) select,
:root:not([data-theme="dark"]) .fi,
:root:not([data-theme="dark"]) .mp-input,
:root:not([data-theme="dark"]) .nav-search input {
  color: var(--text) !important;
  background: var(--input-bg) !important;
  border-color: var(--input-border) !important;
}
:root:not([data-theme="dark"]) input::placeholder,
:root:not([data-theme="dark"]) textarea::placeholder,
:root:not([data-theme="dark"]) .fi::placeholder,
:root:not([data-theme="dark"]) .mp-input::placeholder {
  color: var(--text-muted) !important;
}

/* Light mode — step labels */
:root:not([data-theme="dark"]) .step.active .sname {
  color: var(--cyan) !important;
}

/* Light mode — checkout card/panel backgrounds */
:root:not([data-theme="dark"]) .panel,
:root:not([data-theme="dark"]) .ch-card,
:root:not([data-theme="dark"]) .pm-card,
:root:not([data-theme="dark"]) .order-panel,
:root:not([data-theme="dark"]) .steps-bar {
  background: #FFFFFF;
  border: 1px solid var(--border-col);
}

/* ── Light mode — cart page section separation ──────────────── */

/* Give each cart item a white card feel */
:root:not([data-theme="dark"]) .cart-item {
  background: #FFFFFF !important;
  border: 1px solid #D5DCE8 !important;
  border-radius: 12px !important;
  margin-bottom: 10px !important;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05) !important;
}

/* Summary card */
:root:not([data-theme="dark"]) .sc {
  background: #FFFFFF !important;
  border: 1px solid #D5DCE8 !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06) !important;
}

/* Upsell / saved items cards */
:root:not([data-theme="dark"]) .ucard,
:root:not([data-theme="dark"]) .saved-item {
  background: #FFFFFF !important;
  border: 1px solid #D5DCE8 !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04) !important;
}

/* Free delivery bar */
:root:not([data-theme="dark"]) .free-bar {
  background: var(--bg-alt) !important;
  border: 1px solid #D5DCE8 !important;
}

/* Cart page background — tinted base so white cards pop */
:root:not([data-theme="dark"]) body {
  background: var(--bg) !important;
}

/* Coupon input text */
:root:not([data-theme="dark"]) .cinput {
  color: var(--text) !important;
}

/* Total row divider */
:root:not([data-theme="dark"]) .div {
  background: #D5DCE8 !important;
}