/* Lumera Sweets — UI components (buttons, cards, forms, badges, chips). */

/* ============ Buttons (M3 Expressive — pill-rounded) ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: 0 var(--space-6);
  border: 0;
  border-radius: var(--md-sys-shape-corner-full);
  font-family: var(--md-sys-typescale-label-large-font);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  letter-spacing: var(--md-sys-typescale-label-large-tracking);
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard),
    color var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard),
    box-shadow var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized),
    transform var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--md-sys-color-primary); outline-offset: 3px; }
.btn[disabled], .btn[aria-disabled='true'] { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn--filled {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  box-shadow: var(--md-sys-elevation-1);
}
.btn--filled:hover { box-shadow: var(--md-sys-elevation-2); color: var(--md-sys-color-on-primary); }

.btn--tonal {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}
.btn--tonal:hover { background: color-mix(in oklab, var(--md-sys-color-primary-container) 92%, var(--md-sys-color-on-primary) 8%); color: var(--md-sys-color-on-primary-container); }

.btn--outlined {
  background: transparent;
  color: var(--md-sys-color-primary);
  border: 1px solid var(--md-sys-color-outline);
}
.btn--outlined:hover { background: color-mix(in oklab, var(--md-sys-color-primary) 8%, transparent); }

.btn--text {
  background: transparent;
  color: var(--md-sys-color-primary);
  padding: 0 var(--space-4);
}

.btn--secondary {
  background: var(--md-sys-color-secondary);
  color: var(--md-sys-color-on-secondary);
}

.btn--small { min-height: 36px; padding: 0 var(--space-4); font-size: 0.85rem; }
.btn--block { width: 100%; }

/* ============ Cards ============ */
.card {
  background: var(--md-sys-color-surface-container-low);
  border-radius: var(--md-sys-shape-corner-large);
  box-shadow: var(--md-sys-elevation-1);
  overflow: hidden;
  transition:
    box-shadow var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized),
    transform var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized);
}
.card:hover { box-shadow: var(--md-sys-elevation-2); transform: translateY(-2px); }

.card__media {
  aspect-ratio: 4 / 5;
  background: var(--md-sys-color-surface-container);
  overflow: hidden;
}
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--md-sys-motion-duration-long2) var(--md-sys-motion-easing-emphasized); }
.card:hover .card__media img { transform: scale(1.04); }

.card__body { padding: var(--space-6); }
.card__title {
  font-family: var(--md-sys-typescale-title-large-font);
  font-size: var(--md-sys-typescale-title-large-size);
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 var(--space-2);
}
.card__excerpt {
  font-size: 0.95rem;
  color: var(--md-sys-color-on-surface-variant);
  margin: 0 0 var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.card__price {
  font-family: var(--md-sys-typescale-title-medium-font);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--md-sys-color-secondary);
}
.card__meta {
  font-size: 0.85rem;
  color: var(--md-sys-color-on-surface-variant);
  margin-top: var(--space-3);
}

/* ============ Forms ============ */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.field__label {
  font-family: var(--md-sys-typescale-label-large-font);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
}
.field__label .req { color: var(--md-sys-color-error); margin-left: 2px; }

.field__control {
  font: inherit;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--md-sys-color-surface-container-lowest);
  color: var(--md-sys-color-on-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-medium);
  transition: border-color var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard), box-shadow var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
}
.field__control:focus {
  outline: 0;
  border-color: var(--md-sys-color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--md-sys-color-primary) 20%, transparent);
}
.field__control[aria-invalid='true'] { border-color: var(--md-sys-color-error); }
.field__error {
  color: var(--md-sys-color-error);
  font-size: 0.85rem;
}
.field__hint {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.85rem;
}

textarea.field__control { min-height: 120px; resize: vertical; }

/* ============ Badge / chip ============ */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background: var(--md-sys-color-secondary);
  color: var(--md-sys-color-on-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--md-sys-shape-corner-full);
  line-height: 1;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface);
  font-size: 0.85rem;
  border-radius: var(--md-sys-shape-corner-full);
}

/* ============ Header / nav ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--md-sys-color-surface) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}
.site-header__row {
  display: grid;
  /* Desktop: 3-column [brand | center-nav | actions] — links центрируются между brand и actions */
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-4);
}
.site-header__brand {
  display: inline-flex;
  flex-direction: column;
  font-family: var(--md-sys-typescale-headline-large-font);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  line-height: 1;
  color: var(--md-sys-color-on-surface);
}
.site-header__brand small {
  font-family: var(--md-sys-typescale-label-small-font);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  margin-top: 4px;
  color: var(--md-sys-color-on-surface-variant);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
/* Центральная нав в десктопе: links по центру с воздухом */
.site-nav--center {
  justify-content: center;
  gap: var(--space-12);
}
.site-nav__link {
  font-family: var(--md-sys-typescale-label-large-font);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--md-sys-color-on-surface);
}
.site-nav__link:hover,
.site-nav__link[aria-current='page'] { color: var(--md-sys-color-secondary); }

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border: 0;
  border-radius: var(--md-sys-shape-corner-full);
  background: transparent;
  color: var(--md-sys-color-on-surface);
  position: relative;
  transition: background var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
}
.icon-btn:hover { background: var(--md-sys-color-surface-container); }
.icon-btn .badge {
  position: absolute;
  top: 2px;
  right: 2px;
}
/* Корзина крупнее в десктопной версии (BAG 3) */
@media (min-width: 768px) {
  .site-header .icon-btn--cart { width: 56px; height: 56px; }
  .site-header .icon-btn--cart svg { width: 30px; height: 30px; }
  .site-header .icon-btn--cart .badge { top: 6px; right: 6px; }
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-full);
}
/* По одной form на каждый язык — display:contents чтобы кнопки в одной flex-строке родителя */
.lang-switcher__form { display: contents; }
.lang-switcher__btn {
  border: 0;
  background: transparent;
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--md-sys-color-on-surface-variant);
  border-radius: var(--md-sys-shape-corner-full);
}
.lang-switcher__btn[aria-pressed='true'] {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

/* Hamburger + mobile actions (только на mobile) */
.hamburger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: transparent;
  padding: var(--space-2);
  color: var(--md-sys-color-on-surface);
  border-radius: var(--md-sys-shape-corner-full);
  cursor: pointer;
}
.hamburger:hover { background: var(--md-sys-color-surface-container); }

.site-nav__mobile-actions {
  display: none;            /* скрыт в desktop */
  align-items: center;
  gap: var(--space-2);
  justify-self: end;
}

@media (max-width: 767px) {
  /* На mobile: brand слева, mobile-actions (cart + hamburger) справа.
     Центральная nav и desktop actions скрыты — они в drawer. */
  .site-header__row { grid-template-columns: auto 1fr auto; }
  .site-nav--center { display: none; }
  .site-nav__actions { display: none; }
  .site-nav__mobile-actions { display: inline-flex; }
}
@media (min-width: 768px) {
  /* На desktop hamburger не нужен. */
  .site-nav__mobile-actions { display: none; }
}

/* ============ Drawer (mobile side menu) ============ */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  visibility: hidden;
  transition: visibility 0s linear var(--md-sys-motion-duration-medium2);
}
.drawer--open {
  pointer-events: auto;
  visibility: visible;
  transition: visibility 0s linear 0s;
}
.drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(42, 58, 42, 0.45);
  opacity: 0;
  transition: opacity var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized);
}
.drawer--open .drawer__backdrop { opacity: 1; }

.drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(86vw, 360px);
  background: var(--md-sys-color-surface-container-low);
  box-shadow: var(--md-sys-elevation-4);
  transform: translateX(100%);
  transition: transform var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized);
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
  gap: var(--space-6);
}
.drawer--open .drawer__panel { transform: translateX(0); }

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-2);
}
.drawer__brand {
  font-family: var(--md-sys-typescale-headline-large-font);
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  color: var(--md-sys-color-on-surface);
}

.drawer__lang {
  display: flex;
  justify-content: center;
  padding-block: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.drawer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}
.drawer__link {
  display: block;
  padding: var(--space-4);
  border-radius: var(--md-sys-shape-corner-medium);
  font-family: var(--md-sys-typescale-title-medium-font);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
  transition: background var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
}
.drawer__link:hover { background: var(--md-sys-color-surface-container); }

/* Когда drawer открыт — блокируем body-scroll */
.drawer-locked, .drawer-locked body { overflow: hidden; }

/* Skрываем drawer на десктопе вообще (на всякий случай — display:none мы не делаем
   потому что нужен transition, но visibility: hidden + pointer-events: none уже OK) */

/* ============ Footer ============ */
.site-footer {
  margin-top: var(--space-24);
  padding-block: var(--space-12);
  background: var(--md-sys-color-on-surface);
  color: color-mix(in oklab, var(--md-sys-color-surface) 90%, transparent);
}
.site-footer a { color: inherit; }
.site-footer a:hover { color: var(--md-sys-color-tertiary); }
.site-footer__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .site-footer__row { grid-template-columns: 1.5fr 1fr 1fr; }
}
.site-footer__brand {
  font-family: var(--md-sys-typescale-headline-large-font);
  font-size: 1.5rem;
  letter-spacing: 0.05em;
}
.site-footer__title {
  font-family: var(--md-sys-typescale-label-small-font);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: var(--space-3);
  color: var(--md-sys-color-tertiary);
}
.site-footer__copy {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid color-mix(in oklab, var(--md-sys-color-tertiary) 40%, transparent);
  font-size: 0.85rem;
  opacity: 0.75;
}

/* ============ Hero ============ */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
  align-items: center;
}
@media (min-width: 900px) {
  .hero { grid-template-columns: 1.1fr 1fr; }
}

.hero__title {
  font-family: var(--md-sys-typescale-display-large-font);
  font-size: var(--md-sys-typescale-display-large-size);
  line-height: var(--md-sys-typescale-display-large-line-height);
  font-weight: 500;
  letter-spacing: var(--md-sys-typescale-display-large-tracking);
  margin: 0 0 var(--space-4);
  color: var(--md-sys-color-on-surface);
}
.hero__subtitle {
  font-size: 1.125rem;
  color: var(--md-sys-color-on-surface-variant);
  max-width: 60ch;
  margin: 0 0 var(--space-8);
}

.hero__visual {
  aspect-ratio: 4 / 5;
  border-radius: var(--md-sys-shape-corner-extra-large);
  background:
    radial-gradient(circle at 30% 30%, color-mix(in oklab, var(--md-sys-color-tertiary) 20%, transparent), transparent 60%),
    var(--md-sys-color-primary);
  box-shadow: var(--md-sys-elevation-3);
  overflow: hidden;
}

/* ============ Cart page — премиум, центрированный layout ============ */
.cart-page {
  padding-block: var(--space-12);
}
@media (min-width: 768px) {
  .cart-page { padding-block: var(--space-16); }
}

.cart-page__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}
.cart-page__title {
  font-family: var(--md-sys-typescale-display-large-font);
  font-size: clamp(2rem, 1vw + 2rem, 3rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: var(--space-2) 0 0;
  color: var(--md-sys-color-on-surface);
}

.cart-page__empty {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}
.cart-page__empty-text {
  font-family: var(--md-sys-typescale-title-large-font);
  font-size: 1.25rem;
  color: var(--md-sys-color-on-surface-variant);
  margin: 0;
}

/* === Список товаров (карточки) === */
.cart-lines {
  list-style: none;
  margin: 0 0 var(--space-12);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.cart-line {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-4);
}
@media (max-width: 559px) {
  .cart-line {
    grid-template-columns: 80px 1fr;
  }
  .cart-line__total { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; padding-top: var(--space-2); border-top: 1px solid var(--md-sys-color-outline-variant); }
}
.cart-line__media {
  width: 96px;
  aspect-ratio: 4 / 5;
  border-radius: var(--md-sys-shape-corner-medium);
  overflow: hidden;
  background: var(--md-sys-color-surface-container);
}
.cart-line__media img { width: 100%; height: 100%; object-fit: cover; }
.cart-line__title {
  font-family: var(--md-sys-typescale-title-large-font);
  font-size: 1.125rem;
  font-weight: 500;
  margin: 0 0 var(--space-1);
  line-height: 1.25;
}
.cart-line__price {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.95rem;
  margin: 0 0 var(--space-3);
}
.cart-line__qty {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-full);
  background: var(--md-sys-color-surface-container-lowest);
}
.qty-btn {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 0;
  font-size: 1.1rem; line-height: 1;
  color: var(--md-sys-color-on-surface);
  border-radius: var(--md-sys-shape-corner-full);
  cursor: pointer;
  transition: background var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
}
.qty-btn:hover { background: var(--md-sys-color-surface-container); }
.qty-btn:focus-visible { outline: 2px solid var(--md-sys-color-primary); outline-offset: 2px; }
.qty-input {
  width: 40px; height: 32px;
  border: 0; background: transparent;
  text-align: center;
  font: inherit;
  -moz-appearance: textfield;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.cart-line__total {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
  text-align: right;
}
.cart-line__total-value {
  font-family: var(--md-sys-typescale-title-medium-font);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--md-sys-color-secondary);
}
.cart-line__remove {
  font-size: 0.85rem;
  color: var(--md-sys-color-on-surface-variant);
  padding: 0;
  min-height: auto;
}
.cart-line__remove:hover { color: var(--md-sys-color-error); }

/* === Checkout card — центрированная, премиум === */
.checkout-card {
  padding: var(--space-12) var(--space-8);
  margin-inline: auto;
}
@media (min-width: 560px) {
  .checkout-card { padding: var(--space-16) var(--space-12); }
}
.checkout-card__head {
  text-align: center;
  margin-bottom: var(--space-8);
}
.checkout-card__title {
  font-family: var(--md-sys-typescale-display-large-font);
  font-size: clamp(1.75rem, 1vw + 1.5rem, 2.5rem);
  font-weight: 500;
  margin: var(--space-2) 0 var(--space-3);
  color: var(--md-sys-color-on-surface);
}
.checkout-card__lead {
  color: var(--md-sys-color-on-surface-variant);
  max-width: 48ch;
  margin: 0 auto;
  line-height: 1.5;
}

/* === Сводка === */
.cart-summary__totals {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2) var(--space-6);
  margin: 0 0 var(--space-8);
  padding: var(--space-4) 0;
  border-block: 1px solid var(--md-sys-color-outline-variant);
}
.cart-summary__totals > div {
  display: contents;
}
.cart-summary__totals dt {
  margin: 0;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.95rem;
}
.cart-summary__totals dd {
  margin: 0;
  text-align: right;
  font-weight: 500;
}
.cart-summary__grand dt,
.cart-summary__grand dd {
  font-family: var(--md-sys-typescale-title-large-font);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--md-sys-color-secondary);
  padding-top: var(--space-2);
}

/* === Checkout form === */
.checkout-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.btn--block { width: 100%; }
.checkout-form__note {
  margin: 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--md-sys-color-on-surface-variant);
}
.field--error .field__control {
  border-color: var(--md-sys-color-error);
}

/* ============ Toast (для add-to-cart) — сверху по центру ============ */
.toast {
  position: fixed;
  top: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(-160%);
  background: var(--md-sys-color-on-surface);
  color: var(--md-sys-color-surface);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--md-sys-shape-corner-full);
  box-shadow: var(--md-sys-elevation-3);
  font-size: 0.95rem;
  font-weight: 500;
  z-index: 200;
  transition: transform var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized);
}
.toast.is-visible { transform: translateX(-50%) translateY(0); }