:root {
  /* Color Palette */
  --primary-color: #1d3a2e;
  --primary-light: #2d5a47;
  --primary-dark: #0f2119;
  --accent-color: #4ade80;
  --accent-gradient: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
  --bg-dark: #f8fafc;
  --text-main: #1e293b;
  --text-muted: #64748b;

  /* Modern Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);

  /* Shadows & Transitions */
  --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: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: "Inter", sans-serif;
  overflow-x: hidden;
  animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Global Transition for smoothness */
a,
button,
.modern-card,
.nav-link,
.btn-modern,
input,
select {
  transition: var(--transition-all) !important;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Utility Classes */
.glass-nav {
  background: rgba(29, 58, 46, 0.85) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.modern-card {
  background: white;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-md);
  transition: var(--transition-all);
  overflow: hidden;
}

.modern-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.btn-modern {
  background: var(--accent-gradient);
  color: white;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 12px;
  border: none;
  transition: var(--transition-all);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.btn-modern:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(74, 222, 128, 0.4);
  color: white;
}

.section-title {
  font-family: "Kanit", sans-serif;
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 2rem;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

/* Navbar Enhancements */
.nav-link {
  position: relative;
  padding: 0.5rem 1rem !important;
  transition: var(--transition-all) !important;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: var(--transition-all);
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 80%;
}

.nav-link:hover {
  color: var(--accent-color) !important;
  background: transparent !important;
  scale: 1 !important;
}

/* Carousel Polish */
.carousel-item img {
  height: 60vh !important;
  object-fit: cover !important;
  filter: brightness(0.8);
}

.carousel-caption {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(5px);
  border-radius: 20px;
  padding: 2rem;
  bottom: 20%;
}

/* Animations */
@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

.float-anim {
  animation: float 3s ease-in-out infinite;
}

/* Sidebar & Filters */
.filter-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.filter-group {
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.filter-group:last-child {
  border-bottom: none;
}

.filter-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary-color);
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.custom-checkbox {
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 8px;
  transition: var(--transition-all);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
}

.custom-checkbox:hover {
  background: rgba(74, 222, 128, 0.1);
}

.custom-checkbox input {
  accent-color: var(--primary-color);
}

.active-filter-badge {
  background: var(--accent-gradient);
  color: var(--primary-dark);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Mobile Filter Button */
.btn-filter-mobile {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  border-radius: 30px;
  padding: 12px 24px;
  background: var(--primary-color);
  color: white;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  display: none;
  text-decoration: none;
}

.btn-filter-mobile:hover {
  color: var(--accent-color);
}

@media (max-width: 991.98px) {
  .btn-filter-mobile {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .filter-sidebar {
    display: none;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .carousel-caption {
    padding: 1rem;
    bottom: 10%;
  }

  .carousel-caption h1 {
    font-size: 1.5rem !important;
  }

  .carousel-caption p {
    display: none;
  }
}

/* Tablet Responsiveness */
@media (max-width: 768px) {
  .section-title {
    font-size: 1.5rem;
  }

  .section-title::after {
    width: 40px;
  }

  .modern-card {
    border-radius: 15px;
  }

  .modern-card:hover {
    transform: translateY(-2px);
  }

  .btn-modern {
    padding: 10px 18px;
    font-size: 0.9rem;
  }

  .carousel-item img {
    height: 40vh !important;
  }

  .carousel-caption {
    display: none !important;
  }

  .glass-nav {
    padding: 0.5rem 0 !important;
  }

  .navbar-brand {
    font-size: 1.3rem !important;
  }

  .navbar-collapse {
    background: var(--primary-dark);
    padding: 1rem;
    border-radius: 15px;
    margin-top: 1rem;
  }

  .navbar-nav {
    gap: 0.5rem !important;
  }

  .nav-link {
    padding: 0.75rem 1rem !important;
    border-radius: 10px;
  }

  .nav-link:hover {
    background: rgba(255, 255, 255, 0.1) !important;
  }

  /* Footer Mobile */
  .footer .row {
    text-align: center;
  }

  .footer .d-flex.gap-3 {
    justify-content: center;
  }

  .footer h5 {
    margin-top: 1.5rem;
  }
}

/* Mobile Phone Responsiveness */
@media (max-width: 576px) {
  body {
    font-size: 14px;
  }

  .container {
    padding-left: 15px;
    padding-right: 15px;
  }

  .section-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
  }

  .btn-modern {
    padding: 10px 16px;
    font-size: 0.85rem;
    border-radius: 10px;
  }

  .modern-card {
    border-radius: 12px;
  }

  /* Navbar Mobile */
  .navbar-brand span {
    font-size: 1.1rem !important;
  }

  .navbar-toggler {
    padding: 0.5rem;
  }

  /* Carousel Mobile */
  .carousel-item img {
    height: 30vh !important;
  }

  #carouselExample {
    border-radius: 0 0 20px 20px !important;
  }

  /* Category Cards Mobile */
  .category-img-wrapper {
    width: 80px !important;
    height: 80px !important;
  }

  .category-item h6 {
    font-size: 0.75rem;
  }

  /* Product Cards Mobile */
  .col-6.col-md-4.col-lg-3 {
    padding-left: 8px !important;
    padding-right: 8px !important;
  }

  .card-body {
    padding: 0.75rem !important;
  }

  .card-title {
    font-size: 0.9rem !important;
  }

  .two-line-text {
    font-size: 0.7rem !important;
    -webkit-line-clamp: 1;
  }

  /* Search Section Mobile */
  .input-group-lg .form-control {
    font-size: 0.9rem !important;
    padding: 0.75rem !important;
  }

  .input-group-lg .btn {
    padding: 0.75rem 1rem !important;
    font-size: 0.8rem !important;
  }

  /* Footer Mobile */
  .footer {
    text-align: center;
  }

  .footer .col-lg-4,
  .footer .col-lg-2,
  .footer .col-lg-3 {
    margin-bottom: 2rem;
  }

  .footer ul {
    padding-left: 0;
  }

  .footer .d-flex.gap-3 {
    justify-content: center;
  }

  .footer .d-flex.mb-3,
  .footer .d-flex.mb-4 {
    justify-content: center;
    text-align: left;
  }

  /* Login/Register Mobile */
  .col-md-5.d-none.d-md-flex,
  .col-md-4.d-none.d-md-flex {
    display: none !important;
  }

  /* Cart Mobile */
  .table th,
  .table td {
    padding: 0.5rem !important;
    font-size: 0.8rem;
  }

  .table img {
    width: 50px !important;
    height: 50px !important;
  }

  /* Product Details Mobile */
  .display-5 {
    font-size: 1.5rem !important;
  }

  .magnify-container img {
    height: 300px !important;
  }

  /* Policy Pages Mobile */
  .modern-card.p-5 {
    padding: 1.5rem !important;
  }

  .modern-card h4 {
    font-size: 1.1rem;
  }

  /* Contact Page Mobile */
  .bg-accent.bg-opacity-10.p-3.rounded-circle {
    width: 40px !important;
    height: 40px !important;
    padding: 0.5rem !important;
  }
}

/* Extra Small Devices */
@media (max-width: 375px) {
  .navbar-brand i {
    font-size: 1.2rem;
  }

  .navbar-brand span {
    font-size: 1rem !important;
  }

  .section-title {
    font-size: 1.1rem;
  }

  .btn-modern {
    padding: 8px 14px;
    font-size: 0.8rem;
  }

  .carousel-item img {
    height: 25vh !important;
  }

  .category-img-wrapper {
    width: 60px !important;
    height: 60px !important;
  }

  .btn-filter-mobile {
    padding: 10px 18px;
    font-size: 0.85rem;
  }
}

/* Touch Device Optimizations */
@media (hover: none) {
  .modern-card:hover {
    transform: none;
  }

  .btn-modern:hover {
    transform: none;
  }

  .nav-link::after {
    display: none;
  }
}