*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  /* 100vw шире области без полосы прокрутки — иначе появляется горизонтальный скролл */
  overflow-x: hidden;
}

body.av-body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  color: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.main-content {
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.layout-shell {
  width: 100%;
  max-width: min(100%, 1600px);
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  gap: 0;
  flex: 1;
  min-height: 0;
}

@media (min-width: 1024px) {
  .layout-shell {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-2xl);
  }

  .layout-shell--home {
    max-width: min(100%, 1920px);
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
  }
}

.layout-shell__main {
  flex: 1;
  min-width: 0;
}

.messages-stack {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-xl) 0;
}

.message-banner {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  font-size: var(--text-sm);
}

.message-banner--success {
  background: var(--color-tag-bg);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.message-banner--error {
  background: rgba(200, 55, 45, 0.08);
  color: var(--color-sale);
  border: 1px solid rgba(200, 55, 45, 0.25);
}

.visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

.htmx-indicator {
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.htmx-indicator.htmx-request {
  opacity: 1;
}

[x-cloak] {
  display: none !important;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.toast-av {
  pointer-events: auto;
  max-width: 24rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-md);
  animation: toast-in 0.35s ease-out;
}

.cart-toast-host {
  pointer-events: none;
  position: fixed;
  bottom: 6rem;
  right: var(--spacing-md);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

@media (min-width: 640px) {
  .cart-toast-host {
    bottom: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}