@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* --- DESIGN SYSTEM & TOKENS --- */
:root {
  --bg-primary: #0c0b0b;
  --bg-secondary: #161414;
  --bg-tertiary: #201e1e;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(185, 28, 28, 0.6);
  
  --text-primary: #fafaf9; /* Warm Off-White */
  --text-secondary: #d6d3d1; /* Muted Stone */
  --text-muted: #78716c;
  
  --accent: #b91c1c; /* Cherry Red Accent */
  --accent-contrast: #ffffff;
  --accent-rgb: 185, 28, 28;
  
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition-ease: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  
  --header-height: 72px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  --max-width: 1400px;
}

/* --- RESET & GLOBAL STYLES --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

ul {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* --- LAYOUT UTILITIES --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}
@media (max-width: 768px) {
  .container {
    padding: 0 1.25rem;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* --- HEADER / NAVIGATION --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(8, 8, 8, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: var(--transition-ease);
}

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

.logo-container {
  display: flex;
  align-items: center;
  height: 100%;
}

.logo-image {
  height: 38px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav__list {
  display: flex;
  gap: 2.5rem;
}
@media (max-width: 768px) {
  .nav__list {
    display: none; /* Hide on mobile for simplicity */
  }
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--text-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav__link:hover {
  color: var(--text-primary);
}

.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.cart-trigger {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
}

.cart-trigger svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-primary);
  fill: none;
  stroke-width: 2;
  transition: var(--transition-fast);
}

.cart-trigger:hover svg {
  transform: translateY(-1px);
}

.cart-count {
  position: absolute;
  top: -2px;
  right: -2px;
  background-color: var(--accent);
  color: var(--accent-contrast);
  font-size: 0.6875rem;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
  animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
  from { transform: scale(0); }
  to { transform: scale(1); }
}

/* --- HERO SECTION --- */
.hero {
  height: 90vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero__bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(8,8,8,0.2) 0%, rgba(8,8,8,0.85) 100%);
  z-index: 2;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.65;
  filter: grayscale(40%) contrast(110%);
  transform: scale(1.05);
  animation: slowZoom 20s ease-out forwards;
}

@keyframes slowZoom {
  to { transform: scale(1); }
}

.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 800px;
  padding: 0 1rem;
}

.hero__subtitle {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero__title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

@media (max-width: 768px) {
  .hero__title {
    font-size: 2.5rem;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--accent);
  color: var(--accent-contrast);
  padding: 1.125rem 2.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: var(--transition-ease);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.08);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.1);
}

.btn:hover::before {
  transform: translateY(0);
}

.btn--outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--text-primary);
}

.btn--outline:hover {
  background-color: var(--text-primary);
  color: var(--accent-contrast);
  box-shadow: none;
}

.btn--full {
  width: 100%;
}

.hero__btn {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- PRODUCT SECTION --- */
.shop-section {
  padding: 8rem 0;
  background-color: var(--bg-primary);
}

.section-header {
  margin-bottom: 4rem;
  text-align: center;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
}

@media (max-width: 1200px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 900px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

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

.product-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  group-hover: transform;
}

.product-card__image-container {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  background-color: var(--bg-secondary);
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-bottom: 1.25rem;
  transition: var(--transition-ease);
}

.product-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

.product-card__image--hover {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
}

.product-card:hover .product-card__image--hover {
  opacity: 1;
}

.product-card:hover .product-card__image {
  transform: scale(1.03);
}

.product-card:hover .product-card__image-container {
  border-color: var(--accent);
}

.product-card__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-card__info {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.product-card__title {
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  transition: var(--transition-fast);
}

.product-card:hover .product-card__title {
  color: var(--text-secondary);
}

.product-card__price {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.product-card__desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 0.25rem;
}

/* --- PRODUCT DETAIL MODAL --- */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-ease);
}

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

.modal__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal__container {
  position: relative;
  width: 90%;
  max-width: 960px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  z-index: 201;
  display: flex;
  overflow: hidden;
  max-height: 90vh;
  transform: scale(0.95) translateY(20px);
  transition: var(--transition-ease);
}

.modal--open .modal__container {
  transform: scale(1) translateY(0);
}

@media (max-width: 768px) {
  .modal__container {
    flex-direction: column;
    max-height: 95vh;
    overflow-y: auto;
  }
}

.modal__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: var(--transition-fast);
}

.modal__close:hover {
  border-color: var(--text-secondary);
  transform: rotate(90deg);
}

.modal__close svg {
  width: 14px;
  height: 14px;
  stroke: var(--text-primary);
  fill: none;
  stroke-width: 2.5;
}

.modal__gallery {
  flex: 1.1;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 2rem 1rem;
}

.modal__image {
  width: 100%;
  height: auto;
  max-height: 55vh;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.modal__gallery-thumbs {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.5rem;
  justify-content: center;
  width: 100%;
}

.modal__thumb {
  width: 48px;
  height: 64px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  padding: 0;
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal__thumb:hover {
  border-color: var(--text-secondary);
}

.modal__thumb--active {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 1px var(--text-primary);
}

.modal__details {
  flex: 1;
  padding: 3.5rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (max-width: 768px) {
  .modal__details {
    padding: 2rem 1.5rem;
  }
}

.modal__title {
  font-size: 1.75rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.modal__price {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.modal__desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.size-selector {
  margin-bottom: 2.5rem;
}

.size-selector__title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}

.size-selector__options {
  display: flex;
  gap: 0.75rem;
}

.size-btn {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  transition: var(--transition-fast);
}

.size-btn:hover {
  border-color: var(--text-secondary);
}

.size-btn--active {
  border-color: var(--accent);
  background-color: var(--accent);
  color: var(--accent-contrast);
}

.color-btn {
  padding: 0.625rem 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-fast);
}

.color-btn:hover {
  border-color: var(--text-secondary);
}

.color-btn--active {
  border-color: var(--accent);
  background-color: var(--accent);
  color: var(--accent-contrast);
}

/* --- CART DRAWER --- */
.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 299;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-ease);
}

.drawer-overlay--open {
  opacity: 1;
  pointer-events: auto;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 480px;
  height: 100%;
  background-color: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  z-index: 300;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: var(--transition-ease);
}

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

.drawer__header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer__title {
  font-size: 1.125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.drawer__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.drawer__close:hover {
  transform: rotate(90deg);
}

.drawer__close svg {
  width: 16px;
  height: 16px;
  stroke: var(--text-primary);
  fill: none;
  stroke-width: 2.5;
}

/* Drawer Content sliding container */
.drawer__content-wrapper {
  flex: 1;
  display: flex;
  width: 200%; /* Make room for side-by-side Cart and Checkout */
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.drawer__content-wrapper--checkout {
  transform: translateX(-50%);
}

.drawer__panel {
  width: 50%;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

/* CART PANEL */
.cart-panel {
  padding: 2rem;
}
@media (max-width: 480px) {
  .cart-panel {
    padding: 1.25rem;
  }
}

.cart-items {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
  margin-bottom: 2rem;
}

.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  color: var(--text-secondary);
  padding: 4rem 1rem;
}

.cart-empty svg {
  width: 48px;
  height: 48px;
  stroke: var(--text-muted);
  stroke-width: 1.5;
  margin-bottom: 1.5rem;
}

.cart-empty__text {
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

.cart-item {
  display: flex;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.cart-item__img-box {
  width: 80px;
  aspect-ratio: 3 / 4;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.cart-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item__details {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cart-item__title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 0.25rem;
}

.cart-item__meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.cart-item__actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.qty-selector {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.qty-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition-fast);
}

.qty-btn:hover {
  background-color: var(--bg-primary);
}

.qty-count {
  width: 32px;
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 700;
}

.cart-item__price {
  font-size: 0.875rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.cart-item__remove {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-top: 0.5rem;
  align-self: flex-start;
  transition: var(--transition-fast);
}

.cart-item__remove:hover {
  color: var(--error);
}

/* SUMMARY / CART FOOTER */
.cart-summary {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  margin-top: auto;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.summary-row__label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.summary-row__value {
  font-size: 1.125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* CHECKOUT PANEL */
.checkout-panel {
  padding: 2rem;
}
@media (max-width: 480px) {
  .checkout-panel {
    padding: 1.25rem;
  }
}

.checkout-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  transition: var(--transition-fast);
}

.checkout-back:hover {
  color: var(--text-primary);
}

.checkout-back svg {
  width: 12px;
  height: 12px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
}

.checkout-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.form-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.form-input {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  width: 100%;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 1px var(--border-focus);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px;
  padding-right: 2.5rem;
}

/* --- FOOTER --- */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.footer__logo {
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* --- NOTIFICATIONS / TOASTS --- */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 360px;
}

.toast {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transform: translateY(20px);
  opacity: 0;
  animation: slideUpToast 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideUpToast {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.toast--success {
  border-left: 3px solid var(--success);
}

.toast--error {
  border-left: 3px solid var(--error);
}

/* --- SUCCESS OVERLAY --- */
.success-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-ease);
}

.success-overlay--open {
  opacity: 1;
  pointer-events: auto;
}

.success-content {
  text-align: center;
  max-width: 480px;
  padding: 2rem;
  transform: scale(0.95);
  transition: var(--transition-ease);
}

.success-overlay--open .success-content {
  transform: scale(1);
}

.success-icon {
  width: 64px;
  height: 64px;
  stroke: var(--success);
  stroke-width: 1.5;
  margin-bottom: 2rem;
  animation: pulseIcon 1.5s infinite ease-in-out;
}

@keyframes pulseIcon {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); opacity: 0.8; }
}

.success-title {
  font-size: 2.25rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.success-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

/* Loading animations for submit buttons */
.btn-loader {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  border-top-color: var(--accent-contrast);
  animation: spin 0.8s linear infinite;
  margin-left: 0.5rem;
}

.btn--outline .btn-loader {
  border-top-color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- UPI PAYMENT PANEL --- */
.upi-payment-block {
  animation: fadeIn 0.4s ease;
}

.upi-qr-container {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.upi-qr-container:hover {
  transform: scale(1.05);
}

/* --- MOBILE CHECKOUT OPTIMIZATIONS --- */
@media (max-width: 768px) {
  /* Prevent iOS input auto-zooming by enforcing at least 16px font-size */
  .form-input, .form-select {
    font-size: 16px !important;
    padding: 0.75rem 0.875rem !important;
  }
  
  /* Toggle payment components on mobile screens */
  .upi-mobile-pay-container {
    display: block !important;
  }
  .upi-desktop-instructions {
    display: none !important;
  }
}

@media (max-width: 480px) {
  /* Reduce drawer paddings to maximize readable width on small mobile viewport */
  .drawer__header {
    padding: 1rem 1.25rem !important;
  }
  .cart-panel, .checkout-panel {
    padding: 1.25rem 1rem !important;
  }
  
  /* Stack form rows on tiny viewports */
  .form-row {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
  }
  
  /* Optimize toast alerts for mobile viewports */
  .toast-container {
    left: 1rem !important;
    right: 1rem !important;
    bottom: 1rem !important;
    max-width: none !important;
  }
}