/* 
   SmartBuy - style.css
*/
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #333;
}

/* 
   HEADER
*/
header {
  background-color: #1a73e8;
  color: white;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.6rem;
  font-weight: bold;
  letter-spacing: 1px;
}

.logo span {
  color: #ffd700;
}

.cart-btn {
  background-color: white;
  color: #1a73e8;
  border: none;
  padding: 8px 18px;
  font-size: 15px;
  font-weight: bold;
  border-radius: 6px;
  cursor: pointer;
}

.cart-btn:hover {
  background-color: #e8f0fe;
}

/* 
   MAIN LAYOUT 
 */
.main-layout {
  display: flex;
  min-height: calc(100vh - 56px);
}

/* 
   SIDEBAR
 */
.sidebar {
  width: 220px;
  background-color: white;
  border-right: 1px solid #ddd;
  padding: 24px 16px;
  flex-shrink: 0;
}

.filter-group {
  margin-bottom: 28px;
}

.filter-group h3 {
  font-size: 13px;
  text-transform: uppercase;
  color: #888;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

/* Category filter buttons */
.filter-btn {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: 1px solid transparent;
  padding: 7px 10px;
  font-size: 14px;
  color: #555;
  cursor: pointer;
  border-radius: 5px;
  margin-bottom: 4px;
}

.filter-btn:hover {
  background-color: #f0f0f0;
}

.filter-btn.active {
  background-color: #1a73e8;
  color: white;
}

/* Price range slider */
input[type="range"] {
  width: 100%;
  margin-bottom: 6px;
  accent-color: #1a73e8;
}

.filter-group p {
  font-size: 13px;
  color: #555;
}

/* Sort dropdown */
select {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 14px;
  background-color: white;
}

/*
   SHOP AREA
*/
.shop-area {
  flex: 1;
  padding: 24px;
}

.shop-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 16px;
}

.shop-header input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 14px;
}

.shop-header p {
  font-size: 13px;
  color: #888;
  white-space: nowrap;
}

/* 
   PRODUCT GRID
*/
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 18px;
}

/* Single product card */
.product-card {
  background-color: white;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.product-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

/* Product image area (emoji placeholder) */
.product-img {
  width: 100%;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
}

/* Sale / New badge */
.badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background-color: #e53935;
  color: white;
  font-size: 11px;
  font-weight: bold;
  padding: 2px 7px;
  border-radius: 4px;
}

.product-info {
  padding: 12px;
}

.product-category {
  font-size: 11px;
  text-transform: uppercase;
  color: #999;
  margin-bottom: 4px;
}

.product-name {
  font-size: 14px;
  font-weight: bold;
  margin-bottom: 6px;
}

.product-price {
  font-size: 15px;
  font-weight: bold;
  color: #1a73e8;
}

.product-old-price {
  font-size: 12px;
  color: #aaa;
  text-decoration: line-through;
  margin-left: 6px;
}

.product-rating {
  font-size: 12px;
  color: #f5a623;
  margin: 6px 0 10px;
}

/* Add to Cart button on card */
.add-btn {
  width: 100%;
  padding: 8px;
  background-color: #1a73e8;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 13px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.add-btn:hover {
  background-color: #1558b0;
}

.add-btn.added {
  background-color: #2a7d4f;
}

/* 
   CART PANEL (slides in from the right)
*/

/* Dark background behind cart */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0,0,0,0.4);
  z-index: 200;
}

.overlay.show {
  display: block;
}

.cart-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 380px;
  background-color: white;
  z-index: 201;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  box-shadow: -4px 0 16px rgba(0,0,0,0.1);
}

.cart-panel.open {
  transform: translateX(0);
}

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid #ddd;
}

.cart-header h2 {
  font-size: 1.1rem;
}

.cart-header button {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: #555;
}

/* Cart item rows */
#cartItems {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}

.cart-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #eee;
}

.cart-item-emoji {
  font-size: 2rem;
  width: 48px;
  text-align: center;
}

.cart-item-info {
  flex: 1;
}

.cart-item-name {
  font-size: 14px;
  font-weight: bold;
}

.cart-item-price {
  font-size: 13px;
  color: #1a73e8;
  margin-top: 2px;
}

/* Quantity controls */
.qty-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.qty-controls button {
  width: 24px;
  height: 24px;
  border: 1px solid #ccc;
  background: #f4f4f4;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

.qty-controls span {
  font-size: 14px;
  min-width: 20px;
  text-align: center;
}

.remove-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: #999;
  font-size: 18px;
}

.remove-btn:hover {
  color: #e53935;
}

/* Cart footer (promo, totals, checkout button) */
#cartFooter {
  padding: 16px 20px;
  border-top: 1px solid #ddd;
}

.promo-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.promo-row input {
  flex: 1;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 13px;
  text-transform: uppercase;
}

.promo-row button {
  padding: 8px 14px;
  background-color: #555;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 13px;
}

.promo-row button:hover {
  background-color: #333;
}

#promoMsg {
  font-size: 12px;
  margin-bottom: 10px;
  min-height: 16px;
}

/* Totals rows */
.totals {
  margin-bottom: 14px;
}

.total-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  padding: 4px 0;
  color: #555;
}

.total-final {
  font-weight: bold;
  font-size: 16px;
  color: #333;
  border-top: 1px solid #ddd;
  padding-top: 10px;
  margin-top: 6px;
}

/* Checkout / primary button */
.checkout-btn {
  width: 100%;
  padding: 12px;
  background-color: #1a73e8;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 15px;
  cursor: pointer;
  font-weight: bold;
  transition: background-color 0.2s;
}

.checkout-btn:hover {
  background-color: #1558b0;
}

/* 
   CHECKOUT MODAL
*/
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0,0,0,0.5);
  z-index: 300;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background-color: white;
  border-radius: 8px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
}

/* Step tabs at top of modal */
.steps {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  border-bottom: 1px solid #ddd;
  padding-bottom: 12px;
}

.step {
  font-size: 13px;
  color: #999;
  padding-bottom: 6px;
}

.step.active {
  color: #1a73e8;
  font-weight: bold;
  border-bottom: 2px solid #1a73e8;
}

.step.done {
  color: #2a7d4f;
}

.modal h2 {
  font-size: 1.2rem;
  margin-bottom: 18px;
}

/* Form layout */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
}

.form-group label {
  font-size: 12px;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
  padding: 9px 12px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 14px;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: #1a73e8;
}

.secure-note {
  font-size: 12px;
  color: #888;
  background-color: #f9f9f9;
  padding: 10px;
  border-radius: 5px;
  margin-top: 8px;
}

/* Review step item rows */
.review-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid #eee;
  font-size: 14px;
}

/* Modal bottom buttons */
.modal-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid #ddd;
}

.modal-footer button:first-child {
  padding: 10px 20px;
  background: none;
  border: 1px solid #ccc;
  border-radius: 5px;
  cursor: pointer;
  font-size: 14px;
}

.modal-footer button:first-child:hover {
  background-color: #f4f4f4;
}

/* 
   TOAST NOTIFICATION (pops up at bottom)
*/
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(30px);
  background-color: #333;
  color: white;
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 14px;
  opacity: 0;
  z-index: 400;
  transition: all 0.25s ease;
  pointer-events: none;
  white-space: nowrap;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/*
   RESPONSIVE - Mobile screens
*/
@media (max-width: 700px) {
  .main-layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #ddd;
  }

  .cart-panel {
    width: 100%;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}