/* Hacker-Themed Ecommerce Store Styles */

:root {
  /* Colors */
  --bg-color: #0d0d0d;
  --surface-color: #1a1a1a;
  --border-color: #333;
  --neon-green: #00ff88;
  --aqua: #00e5ff;
  --text-primary: #e0e0e0;
  --text-secondary: #888;

  /* Fonts */
  --font-mono: "Courier New", Courier, monospace;
  --font-sans: "Inter", "Segoe UI", Roboto, sans-serif;

  /* Spacing & Layout */
  --nav-height: 70px;
  --transition: all 0.3s ease;
  --glow-shadow:
    0 0 10px rgba(0, 255, 136, 0.3), 0 0 20px rgba(0, 255, 136, 0.1);
}

/* Custom Webkit Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
  border-left: 1px solid var(--border-color);
}
::-webkit-scrollbar-thumb {
  background: rgba(0, 255, 136, 0.3);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--neon-green);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  background-image: linear-gradient(rgba(13, 13, 13, 0.92), rgba(13, 13, 13, 0.98)), url('images/favicon.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography Customization */
h1,
h2,
h3,
h4 {
  font-family: var(--font-mono);
  color: var(--neon-green);
  text-transform: uppercase;
  letter-spacing: 2px;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  font-family: var(--font-mono);
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
}

/* Success Modal Specifics */
#success-modal-overlay .product-modal {
    max-width: 500px;
    border: 1px solid var(--neon-green);
    box-shadow: 0 0 20px rgba(0, 255, 204, 0.2);
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: rgba(13, 13, 13, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 5%;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.nav-brand .glitch {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--neon-green);
  text-shadow: 0 0 5px var(--neon-green);
  position: relative;
  display: inline-block;
  margin: 0 1rem;
}

/* Simple hover glitch effect for brand */
.nav-brand .glitch:hover {
  animation: glitch-anim 0.3s infinite;
}

@keyframes glitch-anim {
  0% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
  100% { transform: translate(0); }
}

/* Hamburger Menu Icon */
.hamburger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 18px;
  cursor: pointer;
  position: relative;
  z-index: 1001;
}

.hamburger-menu .bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--neon-green);
  border-radius: 2px;
  transition: all 0.3s ease-in-out;
  box-shadow: 0 0 5px var(--neon-green);
}

.hamburger-menu.active .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.hamburger-menu.active .bar:nth-child(2) {
  opacity: 0;
}
.hamburger-menu.active .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 0.6rem;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.5rem 1rem;
  color: var(--text-primary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: bold;
  position: relative;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  border-radius: 50px;
  background: rgba(0, 255, 136, 0.05); /* neon green tint */
  border: 1.5px solid transparent;
  overflow: hidden;
  text-decoration: none;
}

.nav-item::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, var(--neon-green) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.5s ease;
  z-index: 0;
}

.nav-item::after {
  content: "";
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--neon-green), var(--aqua));
  border-radius: 50px;
  opacity: 0;
  z-index: -1;
  transition: all 0.4s ease;
  filter: blur(5px);
}

.nav-text {
  position: relative;
  z-index: 1;
}

.nav-item:hover,
.nav-item.active {
  color: var(--bg-color);
  background: var(--neon-green);
  border-color: var(--neon-green);
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 10px 30px rgba(0, 255, 136, 0.4), 0 0 20px rgba(0, 255, 136, 0.2);
}

.nav-item:hover::before,
.nav-item.active::before {
  width: 100px;
  height: 100px;
  opacity: 0.5;
}

.nav-item:hover::after,
.nav-item.active::after {
  opacity: 0.3;
  inset: -1px;
}

.cart-btn {
  font-size: 1rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: var(--transition);
}

.cart-btn:hover {
  border-color: var(--neon-green);
  color: var(--neon-green);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

.cart-badge {
  background-color: var(--neon-green);
  color: var(--bg-color);
  font-weight: bold;
  font-size: 0.8rem;
  padding: 0.1rem 0.5rem;
  border-radius: 12px;
}

/* ==========================================================================
   Back Link Button
   ========================================================================== */
.back-link-container {
  display: flex;
  margin: 1.5rem 5% 0 5%;
}

.back-button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-weight: bold;
  text-transform: uppercase;
  font-size: 0.85rem;
  transition: var(--transition);
  text-decoration: none;
}

.back-button:hover {
  border-color: var(--neon-green);
  color: var(--neon-green);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

/* ==========================================================================
   Main Storefront Layout
   ========================================================================== */
.store-container {
  padding: 3rem 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.store-header {
  margin-bottom: 3rem;
  text-align: center;
}

.category-title {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 15px rgba(0, 255, 136, 0.4);
}

.category-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Product Grid System */
.product-grid {
  display: grid;
  /* 3 columns on desktop */
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* ==========================================================================
   Product Card
   ========================================================================== */
.product-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  cursor: pointer;
}

.product-card:hover {
  border-color: var(--aqua);
  box-shadow: 0 0 15px rgba(0, 229, 255, 0.2);
  transform: translateY(-5px);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-color);
  filter: grayscale(80%) contrast(1.2);
  transition: var(--transition);
}

.product-card:hover .card-image {
  filter: grayscale(0%) contrast(1);
}

.card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.card-price {
  font-size: 1.2rem;
  color: var(--neon-green);
  margin-bottom: 1.5rem;
  font-family: var(--font-sans);
  font-weight: bold;
}

.add-cart-btn {
  margin-top: auto; /* push to bottom */
  width: 100%;
  padding: 0.8rem;
  background: transparent;
  border: 1px solid var(--neon-green);
  color: var(--neon-green);
  text-transform: uppercase;
  font-weight: bold;
  letter-spacing: 1px;
  border-radius: 4px;
  transition: var(--transition);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.add-cart-btn:hover {
  background-color: var(--neon-green);
  color: var(--bg-color);
  box-shadow: var(--glow-shadow);
}

/* ==========================================================================
   Buttons (General)
   ========================================================================== */
.action-btn {
  padding: 0.8rem 1.5rem;
  background-color: rgba(0, 255, 136, 0.1);
  border: 1px solid var(--neon-green);
  color: var(--neon-green);
  text-transform: uppercase;
  border-radius: 4px;
  transition: var(--transition);
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.action-btn:hover {
  background-color: var(--neon-green);
  color: var(--bg-color);
  box-shadow: var(--glow-shadow);
}

.w-full {
  width: 100%;
}

/* ==========================================================================
   Product Modal
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.product-modal {
  background-color: var(--bg-color);
  border: 1px solid var(--aqua);
  border-radius: 8px;
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.9);
  transition: var(--transition);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.2);
}

.modal-overlay.active .product-modal {
  transform: scale(1);
}

.close-modal-btn {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 2rem;
  color: var(--text-secondary);
  transition: var(--transition);
  z-index: 10;
}

.close-modal-btn:hover {
  color: var(--neon-green);
  transform: rotate(90deg);
}

.modal-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.modal-image-container {
  position: relative;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface-color);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
}

.modal-image-container img {
  max-width: 100%;
  max-height: 300px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(0, 255, 136, 0.2));
}

.cyber-lines {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px);
  background-size: 100% 4px;
  pointer-events: none;
}

.modal-details {
  display: flex;
  flex-direction: column;
}

.modal-details h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--aqua);
  text-shadow: 0 0 10px rgba(0, 229, 255, 0.3);
}

.modal-price {
  font-size: 1.5rem;
  color: var(--neon-green);
  font-family: var(--font-sans);
  font-weight: bold;
  margin-bottom: 1.5rem;
}

.modal-description {
  color: var(--text-primary);
  margin-bottom: 2rem;
  flex-grow: 1;
  font-family: var(--font-sans);
  line-height: 1.8;
  width: 100%;
}

/* ==========================================================================
   Cart Sidebar (Slide-out)
   ========================================================================== */
.cart-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.cart-overlay.active {
  opacity: 1;
  visibility: visible;
}

.cart-sidebar {
  position: absolute;
  top: 0;
  right: -400px;
  width: 100%;
  max-width: 400px;
  height: 100%;
  background-color: var(--bg-color);
  border-left: 1px solid var(--neon-green);
  box-shadow: -10px 0 30px rgba(0, 255, 136, 0.1);
  display: flex;
  flex-direction: column;
  transition: right 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.cart-overlay.active .cart-sidebar {
  right: 0;
}

.cart-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-header h2 {
  font-size: 1.2rem;
}

.close-cart-btn {
  font-size: 2rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.close-cart-btn:hover {
  color: var(--neon-green);
}

.cart-items {
  flex-grow: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.empty-cart-msg {
  color: var(--text-secondary);
  text-align: center;
  margin-top: 2rem;
  font-style: italic;
}

.cart-item {
  display: flex;
  gap: 1rem;
  background-color: var(--surface-color);
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  position: relative;
  animation: fadeIn 0.3s ease;
}

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

.cart-item-img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.cart-item-details {
  flex-grow: 1;
}

.cart-item-title {
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
}

.cart-item-price {
  color: var(--neon-green);
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.cart-item-remove {
  position: absolute;
  top: 5px;
  right: 10px;
  color: var(--text-secondary);
  font-size: 1.2rem;
}

.cart-item-remove:hover {
  color: #ff3366; /* Red for remove */
}

.cart-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--surface-color);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  font-weight: bold;
}

.total-price {
  color: var(--neon-green);
  font-family: var(--font-sans);
}

.checkout-btn {
  width: 100%;
}

/* ==========================================================================
   Checkout Modal & Form
   ========================================================================== */
.checkout-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: stretch;
}

.checkout-form-container, .checkout-summary-container {
  display: flex;
  flex-direction: column;
  background: var(--bg-color);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  height: 100%;
}

.checkout-form-container h2, .checkout-summary-container h2 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--aqua);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 4px;
  font-family: var(--font-mono);
  transition: var(--transition);
  box-sizing: border-box;
}

.form-group textarea {
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--neon-green);
  box-shadow: 0 0 8px rgba(0, 255, 136, 0.2);
}

.checkout-summary-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--border-color);
}

.checkout-summary-item img {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--neon-green);
}

.summary-details {
  flex-grow: 1;
}

.summary-details h4 {
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
  color: var(--text-primary);
}

.summary-pricerow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.original-price {
  text-decoration: line-through;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.discounted-price {
  color: var(--neon-green);
  font-family: var(--font-sans);
  font-weight: bold;
}

.checkout-totals {
  margin-top: auto;
  padding-top: 1rem;
}

.free-delivery-text {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.neon-text {
  color: var(--neon-green);
  font-weight: bold;
  text-shadow: 0 0 5px rgba(0, 255, 136, 0.5);
}

.checkout-final-total {
  font-size: 1.3rem;
  font-weight: bold;
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

#checkout-final-price {
  color: var(--neon-green);
  font-family: var(--font-sans);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.store-footer {
  margin-top: 4rem;
  padding: 3rem 5%;
  background: var(--surface-color);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--neon-green);
  color: var(--neon-green);
  border-radius: 4px;
  font-size: 0.9rem;
  text-transform: uppercase;
  transition: var(--transition);
  text-decoration: none;
  font-weight: bold;
}

.footer-btn:hover {
  background: rgba(0, 255, 136, 0.1);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */

/* Tablet (MAX 900px) */
@media (max-width: 900px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hamburger-menu {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: -100%;
    width: 280px;
    height: calc(100vh - var(--nav-height));
    background-color: var(--bg-color);
    border-right: 1px solid var(--neon-green);
    flex-direction: column;
    padding: 0;
    gap: 0;
    box-shadow: 10px 0 20px rgba(0, 0, 0, 0.5);
    transition: left 0.4s ease-in-out;
  }
  
  .nav-links.active {
    left: 0;
  }

  /* Make items full width and remove some effects for touch */
  .nav-item {
    border-radius: 0;
    background: transparent;
    padding: 1.5rem 2rem;
    width: 100%;
    justify-content: flex-start;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    margin: 0;
  }

  .nav-item:hover, .nav-item.active {
    transform: none;
    box-shadow: none;
    background: rgba(0, 255, 136, 0.1);
    color: var(--neon-green);
    border-left: 4px solid var(--neon-green);
  }

  .nav-item::before, .nav-item::after {
    display: none;
  }

  .modal-content {
    grid-template-columns: 1fr;
  }

  .modal-image-container img {
    max-height: 200px;
  }
}

/* Mobile (2 columns) */
@media (max-width: 600px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .card-content {
    padding: 1rem;
  }

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

  .card-price {
    font-size: 1rem;
  }

  .add-cart-btn {
    padding: 0.5rem;
    font-size: 0.8rem;
  }

  .store-container {
    padding: 2rem 5%;
  }

  .category-title {
    font-size: 1.5rem;
  }

  .navbar {
    padding: 0 1rem;
  }
}