/* ============================================================
   MODERN COMPONENTS (AliveWater)
   - Uses variables from variables.css
   - Compatible with Bootstrap 5 + your style.css
   - Clean motion, subtle hover lift, high readability
============================================================ */

/* =========================
   Cards
========================= */
.modern-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  will-change: transform, box-shadow;
}
.modern-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--border) 70%, var(--primary) 30%);
}
.modern-card__header {
  padding: var(--space-md) var(--space-lg);
  background: var(--light-bg);
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.modern-card__body { padding: var(--space-lg); }
.modern-card__footer {
  padding: var(--space-md) var(--space-lg);
  background: var(--light-bg);
  border-top: 1px solid var(--border);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* =========================
   Buttons
========================= */
.btn-modern {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-family);
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-normal), color var(--transition-normal), border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
  will-change: transform, box-shadow;
}
.btn-modern--primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.btn-modern--primary:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-modern--secondary {
  background: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
}
.btn-modern--secondary:hover {
  background: color-mix(in srgb, var(--secondary) 80%, var(--primary) 20%);
  border-color: color-mix(in srgb, var(--secondary) 80%, var(--primary) 20%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-modern--outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-modern--outline:hover {
  color: var(--white);
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.btn-modern--sm { padding: var(--space-xs) var(--space-md); font-size: var(--font-size-sm); }
.btn-modern--lg { padding: var(--space-md) var(--space-xl); font-size: var(--font-size-lg); }

/* Link-like button */
.btn-modern--link {
  background: transparent;
  border-color: transparent;
  color: var(--primary);
  padding: 0;
}
.btn-modern--link:hover { color: var(--secondary); text-decoration: underline; }

/* =========================
   Forms
========================= */
.form-modern { display: flex; flex-direction: column; gap: var(--space-md); }
.form-modern__group { display: flex; flex-direction: column; gap: var(--space-xs); }
.form-modern__label { font-weight: 600; color: var(--text); font-size: var(--font-size-sm); }
.form-modern__input,
.form-modern__select,
.form-modern__textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--text);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}
.form-modern__input:focus,
.form-modern__select:focus,
.form-modern__textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent);
}
.form-modern__input--error { border-color: var(--error); }
.form-modern__error { color: var(--error); font-size: var(--font-size-sm); }
.form-modern__help { color: var(--text-light); font-size: var(--font-size-sm); }

/* =========================
   Nav (Utility)
========================= */
.nav-modern {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-modern__link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  color: var(--text);
  text-decoration: none;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}
.nav-modern__link:hover { background: var(--light-bg); color: var(--primary); }
.nav-modern__link--active { background: var(--primary); color: var(--white); }

/* =========================
   Grid Helpers
========================= */
.grid-modern { display: grid; gap: var(--space-lg); }
.grid-modern--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-modern--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-modern--4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* =========================
   Badges
========================= */
.badge-modern {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-xl);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.badge-modern--primary { background: var(--primary); color: var(--white); }
.badge-modern--secondary { background: var(--secondary); color: var(--white); }
.badge-modern--success { background: var(--success); color: var(--white); }
.badge-modern--warning { background: var(--warning); color: #2b2b2b; }
.badge-modern--danger { background: var(--error); color: var(--white); }

/* =========================
   Toasts
========================= */
.toast-container {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-tooltip);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.toast-modern {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--white);
  color: var(--text);
  padding: var(--space-md) var(--space-lg);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  animation: slideInRight .3s ease both;
}
.toast-modern--success { border-left-color: var(--success); }
.toast-modern--error { border-left-color: var(--error); }
.toast-modern--warning { border-left-color: var(--warning); }

/* =========================
   Spinner
========================= */
.spinner-modern {
  width: 2rem;
  height: 2rem;
  border: 2px solid var(--border);
  border-top: 2px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* =========================
   Mobile Nav Overlay
========================= */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: var(--z-modal);
  padding: var(--space-2xl) var(--space-lg);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
}
.mobile-nav--open { transform: translateX(0); }
.mobile-nav__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: transparent;
  border: 0;
  font-size: var(--font-size-2xl);
  color: var(--text);
  cursor: pointer;
}

/* ============================================================
   COMMERCE (Products, Cart, Checkout)
============================================================ */

/* =========================
   Product Card
========================= */
.commerce-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}
.commerce-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--border) 65%, var(--primary) 35%);
}
.commerce-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}
.commerce-card__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text);
  margin-bottom: .35rem;
  line-height: 1.35;
}
.commerce-card__price {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-md);
}
.commerce-card__actions {
  margin-top: auto;
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* =========================
   Product Detail
========================= */
.product-detail .product-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease;
}
.product-detail .product-image img:hover { transform: scale(1.02); }
.product-title {
  font-weight: 600;
  color: var(--text);
  border-bottom: 2px solid color-mix(in srgb, var(--primary) 60%, transparent);
  padding-bottom: var(--space-xs);
  margin-bottom: var(--space-md);
}
.product-sku { color: var(--text-light); font-size: var(--font-size-sm); }
.product-price { font-size: var(--font-size-xl); font-weight: 700; color: var(--primary); }

/* =========================
   Add to Cart Form
========================= */
.add-to-cart .form-group { margin-bottom: var(--space-md); }
.add-to-cart label { font-weight: 500; margin-bottom: var(--space-xs); }
.add-to-cart .form-select,
.add-to-cart .form-control {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
}
.add-to-cart .btn-primary {
  padding: var(--space-md) var(--space-xl);
  font-weight: 600;
  border-radius: var(--radius-md);
}

/* =========================
   Product List (List view)
========================= */
.commerce-product-list-items[data-view="list"] { grid-template-columns: 1fr !important; }
.commerce-product-list-items[data-view="list"] .commerce-product-list-item { max-width: 100%; }
.commerce-product-list-items[data-view="list"] .card {
  display: flex;
  flex-direction: row;
  align-items: center;
}
.commerce-product-list-items[data-view="list"] .card .commerce-product-image {
  width: 200px;
  flex-shrink: 0;
}
.commerce-product-list-items[data-view="list"] .card .card-body { flex: 1; }

/* =========================
   Cart Block (Header mini-cart)
========================= */
.cart-block--link__expand {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition-normal), transform var(--transition-normal);
}
.cart-block--link__expand:hover { color: var(--primary); transform: translateY(-1px); }
.cart-block--contents {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  max-width: 420px;
  overflow: hidden;
}
.cart-block--contents__items { max-height: 320px; overflow-y: auto; }
.cart-block--contents__links a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--text);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}
.cart-block--contents__links a:hover { background: var(--light-bg); color: var(--primary); }

/* =========================
   Cart Items
========================= */
.cart-block-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border-bottom: 1px solid var(--border);
}
.cart-block-item:last-child { border-bottom: 0; }
.cart-block-item__image {
  width: 60px; height: 60px; flex: 0 0 60px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}
.cart-block-item__details { flex: 1; min-width: 0; }
.cart-block-item__title {
  font-weight: 500; color: var(--text);
  margin-bottom: .25rem;
  overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}
.cart-block-item__meta { color: var(--text-light); font-size: var(--font-size-sm); }

/* =========================
   Empty Cart
========================= */
.cart-empty-page .card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* =========================
   Order/Checkout Tables
========================= */
.checkout-order-summary table {
  width: 100%;
  border-collapse: collapse;
}
.checkout-order-summary td,
.checkout-order-summary th {
  padding: var(--space-sm) 0;
  vertical-align: top;
  border: none;
}
.checkout-order-summary tr:last-child {
  border-top: 2px solid var(--border);
  font-weight: 700;
}

/* =========================
   Checkout Stepper
========================= */
.checkout-progress-wrapper { padding: var(--space-lg) 0; }
.bs-stepper {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
}
.bs-stepper-header {
  display: flex; align-items: center; justify-content: space-between;
}
.bs-stepper-step {
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  flex: 1;
  text-align: center;
}
.bs-stepper-circle {
  width: 2.25rem; height: 2.25rem; border-radius: 50%;
  background: var(--light-bg);
  border: 2px solid var(--border);
  display: grid; place-items: center;
  font-weight: 700; color: var(--text-light);
  transition: background-color var(--transition-normal), color var(--transition-normal), border-color var(--transition-normal);
}
.bs-stepper-step.active .bs-stepper-circle {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}
.bs-stepper-step.completed .bs-stepper-circle {
  background: var(--success);
  border-color: var(--success);
  color: var(--white);
}
.bs-stepper-title { font-size: var(--font-size-sm); color: var(--text-light); }
.bs-stepper-step.active .bs-stepper-title { color: var(--primary); font-weight: 600; }
.bs-stepper-step.completed .bs-stepper-title { color: var(--success); font-weight: 600; }
.bs-stepper-line {
  flex: 1; height: 2px; min-width: 2rem; margin: 0 var(--space-sm);
  background: var(--border);
}

/* =========================
   Payment Methods
========================= */
.payment-method {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}
.payment-method:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--border) 60%, var(--primary) 40%);
}
.payment-method.selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--primary) 25%, transparent);
}
.payment-method-icon { font-size: 1.75rem; width: 2.5rem; text-align: center; }

/* Brand colors (icons) */
.fa-cc-visa { color: #1a1f71; }
.fa-cc-mastercard { color: #eb001b; }
.fa-cc-amex { color: #006fcf; }
.fa-cc-discover { color: #ff6000; }
.fa-cc-diners-club { color: #0079be; }
.fa-cc-jcb { color: #0b4ea2; }

/* =========================
   Shipment & Orders
========================= */
.shipment-confirmation .card,
.commerce-order .card,
.layout-order-form .card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.shipment-confirmation .tracking-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  background: var(--light-bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
}
.commerce-order .list-group-item,
.shipment-confirmation .list-group-item {
  padding: var(--space-md) var(--space-lg);
  border-color: var(--border);
}

/* ============================================================
   Utilities
============================================================ */
.text-ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.visually-hidden {
  position: absolute !important;
  width: 1px !important; height: 1px !important;
  padding: 0 !important; margin: -1px !important;
  overflow: hidden !important; clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important; border: 0 !important;
}

/* ============================================================
   Animations
============================================================ */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ============================================================
   Responsive
============================================================ */
/* ≤ 992px */
@media (max-width: 992px) {
  .commerce-product-list-items[data-view="list"] .card { flex-direction: column; align-items: stretch; }
  .commerce-product-list-items[data-view="list"] .card .commerce-product-image { width: 100%; }
}
/* ≤ 768px */
@media (max-width: 768px) {
  .product-detail { padding: var(--space-lg) 0; }
  .product-title { font-size: var(--font-size-xl); }
  .add-to-cart .btn-primary { width: 100%; }
  .bs-stepper-header { flex-direction: column; align-items: flex-start; gap: var(--space-md); }
  .bs-stepper-line { display: none; }
}
/* ≤ 576px */
@media (max-width: 576px) {
  .payment-method-icon { font-size: 1.4rem; width: 2rem; }
}

/* ============================================================
   Reduced Motion
============================================================ */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .modern-card:hover,
  .commerce-card:hover { transform: none; }
}