@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-color: #ffffff;
  --surface-color: #f8fafc;
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --text-color: #0f172a;
  --text-secondary: #64748b;
  --border-radius: 16px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:
    0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --transition: all 0.3s ease;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  /* Set base font size for rem units */
  font-size: 16px;
}

/* ── Responsive Typography ── */
@media (max-width: 991px) {
  html {
    font-size: 15px; /* Scales down all rem units slightly */
  }
}

@media (max-width: 576px) {
  html {
    font-size: 14px; /* Proper base for small mobile */
  }

  h1 {
    font-size: 1.75rem !important;
  }
  h2 {
    font-size: 1.5rem !important;
  }
  h3 {
    font-size: 1.25rem !important;
  }
  h4 {
    font-size: 1.15rem !important;
  }
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  color: var(--text-color);
  line-height: 1.2;
}

.page-content {
  flex: 1;
}

/* White & Light Gray layout */
.bg-surface {
  background-color: var(--surface-color);
}

/* Rounded corners & Soft shadows */
.card-modern {
  background: white;
  border-radius: var(--border-radius);
  border: none;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  overflow: hidden;
}

.card-modern:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

/* Buttons */
.btn-primary-modern {
  background-color: var(--primary-color);
  color: white;
  border-radius: 12px;
  padding: 10px 24px;
  font-weight: 500;
  border: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary-modern:hover {
  background-color: var(--primary-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-secondary-modern {
  background-color: white;
  color: var(--text-color);
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 10px 24px;
  font-weight: 500;
  transition: var(--transition);
}

.btn-secondary-modern:hover {
  background-color: var(--surface-color);
  border-color: #cbd5e1;
}

/* Form Styles */
.form-control-modern {
  border-radius: 12px;
  padding: 12px 16px;
  border: 1px solid #e2e8f0;
  background-color: var(--surface-color);
  transition: var(--transition);
}

.form-control-modern:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
  outline: none;
  background-color: white;
}

/* Layout Utilities */
.section-padding {
  padding: 80px 0;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 48px;
  text-align: center;
}

/* Product Image Optimization */
.product-img-large {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--border-radius);
}

/* Navbar Modern */
.navbar-modern {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 12px 0;
}

.nav-link-modern {
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.nav-link-modern:hover,
.nav-link-modern.active {
  color: var(--primary-color);
}

/* Nav icon links (wishlist, cart, account) */
.nav-icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--surface-color);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text-secondary);
  text-decoration: none;
}

.nav-icon-fa {
  font-size: 1.1rem;
  transition: inherit;
}

.nav-icon-link:hover {
  background-color: var(--primary-color);
  color: white !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
  border-color: var(--primary-color);
}

.nav-icon-link:hover .nav-icon-fa {
  color: white !important;
}

.profile-icon-link {
  border: 1.5px solid #e2e8f0;
  background: white;
}

/* ===== Mobile Menu ===== */
@media (max-width: 991px) {
  .navbar-modern .navbar-collapse {
    background: white;
    border-radius: 20px;
    margin-top: 12px;
    padding: 20px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.04);
  }

  /* Nav links — large tap targets */
  .mobile-nav-list {
    gap: 0 !important;
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid #f1f5f9;
  }

  .mobile-nav-list .nav-link {
    padding: 14px 16px !important;
    border-radius: 12px;
    font-size: 1rem;
  }

  .mobile-nav-list .nav-link:hover {
    background-color: var(--surface-color);
  }

  .mobile-nav-list .nav-link.active {
    background-color: #eff6ff;
    color: var(--primary-color);
    font-weight: 600;
  }

  /* Icon row — centered with separator */
  .mobile-icon-row {
    padding: 16px 0;
    margin-bottom: 16px;
    border-bottom: 1px solid #f1f5f9;
  }

  .mobile-icon-row .nav-icon-link {
    width: 48px;
    height: 48px;
    background-color: var(--surface-color);
    border-radius: 50%;
  }

  /* Auth buttons — full width */
  .mobile-auth-actions {
    gap: 10px;
  }

  .mobile-auth-actions .btn {
    width: 100%;
    padding: 14px;
    font-size: 0.95rem;
  }
}