/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--clr-black);
  color: var(--clr-white);
}

.btn-primary:hover {
  background-color: var(--clr-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--clr-black);
  border-color: var(--clr-black);
}

.btn-outline:hover {
  background-color: var(--clr-black);
  color: var(--clr-white);
}

.btn-accent {
  background-color: var(--clr-accent);
  color: var(--clr-white);
}

.btn-accent:hover {
  background-color: var(--clr-accent-dark);
}

.btn-full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 4px;
}

.badge-new { background-color: var(--clr-accent); color: white; }
.badge-limited { background-color: var(--clr-warning); color: white; }
.badge-soldout { background-color: var(--clr-gray-500); color: white; }

/* ===== PRODUCT CARDS ===== */
.product-card {
  position: relative;
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  transition: all var(--transition-normal);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--clr-gray-300);
}

.product-card-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--clr-gray-100);
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card-image .img-hover {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}

.product-card:hover .product-card-image .img-hover {
  opacity: 1;
}

.product-card:hover .product-card-image .img-main {
  opacity: 0;
}

.product-card:hover .product-card-image img {
  transform: scale(1.05);
}

.product-card-badges {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.product-card-actions {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 10px;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-normal);
}

.product-card:hover .product-card-actions {
  opacity: 1;
  transform: translateX(0);
}

.action-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--clr-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: color var(--transition-fast);
}

.action-btn:hover {
  color: var(--clr-accent);
}

.product-card-info {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-brand {
  font-size: 0.875rem;
  color: var(--clr-text-light);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.product-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-price-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
}

.product-price {
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 1.125rem;
}

.product-original-price {
  font-family: var(--font-accent);
  color: var(--clr-text-light);
  text-decoration: line-through;
  font-size: 0.875rem;
}

/* ===== INPUTS & FORMS ===== */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--clr-gray-300);
  background-color: var(--clr-white);
  font-family: inherit;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--clr-black);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid var(--clr-gray-200);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.05em;
  text-transform: uppercase;
}

.logo span {
  color: var(--clr-accent);
}

.nav-links {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-link {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--clr-accent);
  transition: width var(--transition-normal);
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.icon-btn {
  font-size: 1.25rem;
  position: relative;
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--clr-accent);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--clr-black);
  color: var(--clr-white);
  padding-top: var(--spacing-xxl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xxl);
}

.footer-col h4 {
  color: var(--clr-gray-300);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  color: var(--clr-gray-300);
  font-size: 0.875rem;
}

.footer-link:hover {
  color: var(--clr-white);
}

.footer-bottom {
  border-top: 1px solid var(--clr-gray-800);
  padding: var(--spacing-md) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--clr-gray-500);
}

/* ===== TOASTS ===== */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--clr-black);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInRight 0.3s forwards;
  min-width: 250px;
}

.toast.success { border-left: 4px solid var(--clr-success); }
.toast.error { border-left: 4px solid var(--clr-accent); }

/* ===== MODALS ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--clr-white);
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 90%;
  border-radius: 4px;
  position: relative;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

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

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 1.5rem;
  color: var(--clr-gray-500);
}

.modal-close:hover {
  color: var(--clr-black);
}

/* ===== LOADER ===== */
.loader-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-xxl) 0;
  width: 100%;
}

.loader {
  width: 40px;
  height: 40px;
  border: 3px solid var(--clr-gray-200);
  border-top-color: var(--clr-black);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}