/* ============================================================
   NOVA Store - Main Stylesheet
   ============================================================ */

/* ================= CSS Variables ================= */
:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #3B82F6;
  --primary-soft: #EFF6FF;
  --primary-soft-2: #DBEAFE;
  --ink: #0F172A;
  --ink-2: #1E293B;
  --gray: #64748B;
  --gray-light: #94A3B8;
  --line: #E2E8F0;
  --line-soft: #F1F5F9;
  --bg: #F8FAFC;
  --white: #FFFFFF;
  --success: #059669;
  --danger: #DC2626;
  --warning: #F59E0B;

  --gradient-1: linear-gradient(135deg, #2563EB 0%, #1E40AF 100%);
  --gradient-2: linear-gradient(135deg, #1E3A8A 0%, #0F172A 100%);

  --shadow-sm: 0 1px 2px rgba(15,23,42,0.04);
  --shadow-md: 0 4px 16px rgba(15,23,42,0.06);
  --shadow-lg: 0 12px 40px rgba(15,23,42,0.08);
  --shadow-xl: 0 24px 60px rgba(37,99,235,0.15);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --app-tab-height: 64px;
}

/* ================= Reset ================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Cairo', sans-serif;
  background: var(--bg);
  color: var(--ink);
  overflow-x: hidden;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
button { font-family: inherit; }

/* ================= Top Bar ================= */
.top-bar {
  background: var(--topbar-bg, var(--gradient-2));
  color: var(--white);
  padding: 9px 0;
  font-size: 12.5px;
  font-weight: 500;
}
.top-bar-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar-left { display: flex; gap: 26px; align-items: center; }
.top-bar-left span { display: inline-flex; align-items: center; gap: 8px; opacity: 0.9; }
.top-bar-left i { color: #93C5FD; font-size: 13px; }
.top-bar-right { display: flex; gap: 20px; }
.top-bar-right a {
  color: var(--white);
  text-decoration: none;
  opacity: 0.8;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.top-bar-right a:hover { opacity: 1; }

/* ================= Header ================= */
.header {
  background: var(--header-bg, rgba(255, 255, 255, 0.92));
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--line);
  transition: var(--transition);
}
.header.scrolled { 
  /* box-shadow: var(--shadow-md); */

}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  cursor: pointer;
}
.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--gradient-1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 17px;
  box-shadow: 0 8px 20px rgba(37,99,235,0.28);
}
.logo-text {
  font-family: 'Cairo', sans-serif;
  font-size: 24px;
  font-weight: 900;
  color: var(--header-text, var(--ink));
  letter-spacing: -0.5px;
}
.logo-text span { color: var(--primary); }

.search-box { flex: 1; max-width: 620px; position: relative; }
.search-box input {
  width: 100%;
  padding: 13px 22px 13px 52px;
  border: 1.5px solid var(--line);
  background: var(--white);
  border-radius: 50px;
  font-family: inherit;
  font-size: 13.5px;
  color: var(--header-text, var(--ink));
  outline: none;
  transition: var(--transition);
}
.search-box input::placeholder { color: var(--gray-light); }
.search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.08);
}
.search-box > i {
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray);
  font-size: 15px;
  pointer-events: none;
}

.header-actions { display: flex; align-items: center; gap: 6px; }
.action-btn {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--ink-2);
  transition: var(--transition);
  position: relative;
  text-decoration: none;
}
.action-btn:hover { background: var(--primary-soft); color: var(--primary); }

.badge {
  position: absolute;
  top: 6px;
  right: 6px;
  background: var(--primary);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  min-width: 17px;
  height: 17px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  border: 2px solid var(--white);
}

/* ================= Nav Bar ================= */
.nav-bar {
  /* background: var(--white); */
  background: var(--header-bg);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 90px;
  z-index: 999;
  background: var(--header-bg, rgba(255, 255, 255, 0.92)) !important;
}
.nav-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-content::-webkit-scrollbar { display: none; }

.nav-link {
  padding: 15px 18px;
  color: var(--header-link, var(--ink-2));
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  transition: var(--transition);
  position: relative;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link i { font-size: 13px; color: var(--gray); transition: var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--primary); }
.nav-link:hover i, .nav-link.active i { color: var(--primary); }
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  right: 18px;
  left: 18px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

/* ================= Footer ================= */
.footer {
  background: var(--footer-bg, var(--ink));
  color: var(--footer-text-color, var(--white));
  margin-top: 72px;
  padding: 56px 0 0;
}
.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1.5fr;
  gap: 40px;
}
.footer-col h4 {
  font-size: 14.5px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--footer-text, var(--white));
}
.footer-col p {
  font-size: 13px;
  color: var(--footer-muted, rgba(255, 255, 255, 0.6));
  margin-bottom: 18px;
  line-height: 1.85;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col ul li a {
  color: var(--footer-link, rgba(255, 255, 255, 0.6));
  text-decoration: none;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--white); }
.footer-col ul li a i { font-size: 10px; }

.social-icons { display: flex; gap: 8px; margin-top: 14px; }
.social-icons a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-decoration: none;
  transition: var(--transition);
  font-size: 14px;
  border: 1px solid rgba(255,255,255,0.06);
}
.social-icons a:hover { background: var(--primary); transform: translateY(-3px); }

.newsletter-form {
  display: flex;
  gap: 6px;
  margin-top: 14px;
}
.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  color: var(--white);
  font-family: inherit;
  font-size: 13px;
  outline: none;
  transition: var(--transition);
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }
.newsletter-form input:focus {
  border-color: var(--primary);
  background: rgba(255,255,255,0.08);
}
.newsletter-form button {
  padding: 12px 18px;
  border-radius: 10px;
  border: none;
  background: var(--primary);
  color: var(--white);
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
}
.newsletter-form button:hover { background: var(--primary-dark); }

.footer-bottom {
  max-width: 1400px;
  margin: 44px auto 0;
  padding: 22px 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  color: var(--footer-muted, rgba(255, 255, 255, 0.5));
  flex-wrap: wrap;
  gap: 16px;
}
.payment-methods { display: flex; gap: 14px; font-size: 22px; color: rgba(255,255,255,0.5); }

/* ================= Toast ================= */
.toast {
  position: fixed;
  bottom: 28px;
  left: 28px;
  background: var(--ink);
  color: var(--white);
  padding: 14px 22px;
  border-radius: 12px;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 9999;
  transform: translateY(200px);
  transition: var(--transition);
  font-weight: 600;
  font-size: 13.5px;
  max-width: 400px;
}
.toast.show { transform: translateY(0); }
.toast i { color: #93C5FD; font-size: 17px; }
.toast.error { background: var(--danger); }
.toast.error i { color: #fff; }
.toast.success { background: var(--ink); }

/* ================= Buttons ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 50px;
  border: none;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(37,99,235,0.28);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(37,99,235,0.4);
}
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--line);
  color: var(--ink);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: #B91C1C; }

/* ================= Page Header (shared) ================= */
.page-header {
  background: var(--gradient-2);
  padding: 56px 0 48px;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(37,99,235,0.4) 0%, transparent 65%);
  border-radius: 50%;
}
.page-header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: var(--transition);
}
.breadcrumb a:hover { color: var(--white); }
.breadcrumb i { font-size: 10px; }
.breadcrumb span { color: var(--white); font-weight: 600; }
.page-title {
  font-size: 42px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.8px;
  line-height: 1.2;
  margin-bottom: 8px;
}
.page-title span { color: #93C5FD; }
.page-subtitle { font-size: 14.5px; color: rgba(255,255,255,0.7); }

/* ================= Section (shared) ================= */
.section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 44px 28px;
}
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}
.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.6px;
  line-height: 1.2;
}
.section-title span { color: var(--primary); }
.section-subtitle {
  font-size: 13.5px;
  color: var(--gray);
  margin-top: 6px;
}
.view-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
  font-size: 13.5px;
  transition: var(--transition);
  cursor: pointer;
}
.view-all:hover { gap: 14px; }

/* ================= Products Grid (shared) ================= */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.products-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.products-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

/* ================= No Results ================= */
.no-results {
  text-align: center;
  padding: 80px 20px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px dashed var(--line);
}
.no-results i {
  font-size: 48px;
  color: var(--gray-light);
  margin-bottom: 20px;
  display: block;
}
.no-results h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 8px;
}
.no-results p {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 24px;
}

/* ================= Pagination ================= */
.pagination-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 32px;
}

/* ================= Mobile Bottom Nav ================= */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--app-tab-height) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border-top: 1px solid var(--line);
  z-index: 1500;
  box-shadow: 0 -6px 24px rgba(15,23,42,0.06);
}
.mobile-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: none;
  border: none;
  color: var(--gray);
  font-family: inherit;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  position: relative;
  padding: 8px 0 0;
  transition: color 0.2s ease;
}
.mobile-tab i {
  font-size: 19px;
  transition: transform 0.25s cubic-bezier(0.25,0.8,0.25,1);
}
.mobile-tab.active { color: var(--primary); }
.mobile-tab.active i { transform: translateY(-1px) scale(1.12); }
.mobile-tab.active::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: var(--primary);
}
.mobile-tab .mobile-tab-badge {
  position: absolute;
  top: 4px;
  left: calc(50% + 10px);
  background: var(--danger);
  color: #fff;
  font-size: 9px;
  font-weight: 800;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  border: 2px solid #fff;
}

/* ================= Sidebar Overlay (Mobile) ================= */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2100;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.sidebar-overlay.show { opacity: 1; visibility: visible; }

/* ================= Responsive ================= */
@media (max-width: 1200px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-content { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 900px) {
  body {
    padding-bottom: calc(var(--app-tab-height) + var(--safe-bottom) + 12px);
  }
  .top-bar, .header, .nav-bar, .footer { display: none !important; }
  .mobile-bottom-nav { display: flex; }
  .sidebar-overlay { display: block; }

  .page-header { padding: 20px 0 22px; }
  .page-header-content { padding: 0 18px; }
  .page-title { font-size: 24px; }
  .page-subtitle { font-size: 12px; }
  .breadcrumb { font-size: 11.5px; margin-bottom: 10px; }

  .section { padding: 24px 14px; }
  .section-header { margin-bottom: 18px; gap: 8px; }
  .section-title { font-size: 22px; }
  .section-subtitle { font-size: 12px; }
  .view-all { font-size: 12px; }

  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .products-grid-3 { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .products-grid-2 { grid-template-columns: 1fr; gap: 12px; }

  .toast {
    left: 14px;
    right: 14px;
    bottom: calc(var(--app-tab-height) + var(--safe-bottom) + 12px);
    font-size: 12.5px;
    padding: 12px 16px;
    justify-content: center;
  }

  .footer-content { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 600px) {
  .section-title { font-size: 20px; }
  .no-results { padding: 60px 20px; }
}
/* ============================================================
   Logo Image Styles
   ============================================================ */

.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  cursor: pointer;
  flex-shrink: 0;
}

.logo-image {
  border-radius: 5px;
  min-width: 100px;
  height: 60px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
  transition: transform 0.3s ease;
  display: block;
}

.logo:hover .logo-image {
  border-radius: 5px;
  min-width: 100px;
  transform: scale(1.05);
}

/* Fallback logo (icon + text) */
.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--gradient-1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 17px;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.28);
  flex-shrink: 0;
}

.logo-text {
  font-family: 'Cairo', sans-serif;
  font-size: 24px;
  font-weight: 900;
  color: var(--header-text, var(--ink));
  letter-spacing: -0.5px;
  white-space: nowrap;
}

.logo-text span {
  color: var(--primary);
}

/* ============================================================
   Responsive Logo
   ============================================================ */

@media (max-width: 900px) {
  .logo-image {
  border-radius: 5px;
    max-width: 200px;
  }

  .logo-icon {
    width: 38px;
    height: 38px;
    font-size: 15px;
  }

  .logo-text {
    font-size: 20px;
  }
}

@media (max-width: 600px) {
  .logo-image {
  border-radius: 5px;
    max-width: 160px;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  .logo-text {
    font-size: 18px;
  }
}