/* Toast stack - fixed top-right column. Each toast has a 4px accent bar
   on the left in its semantic color; body is always neutral per design-system
   §7 "statusные цвета - тонкие сигналы". */

.toast-stack {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  z-index: var(--z-toast);
  pointer-events: none;
  max-width: calc(100vw - var(--space-10));
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  min-width: 280px;
  max-width: 420px;
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg-page);
  border: var(--border-width) solid var(--color-border);
  border-left: 4px solid var(--color-text);
  animation: toast-slide-in var(--duration-base) var(--ease-out);
}

@keyframes toast-slide-in {
  from { transform: translateX(calc(100% + var(--space-5))); }
  to   { transform: translateX(0); }
}

.toast--success { border-left-color: var(--color-success); }
.toast--error   { border-left-color: var(--color-error); }
.toast--warning { border-left-color: var(--color-accent); }
.toast--info    { border-left-color: var(--color-info); }

.toast__main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}

.toast__body {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
  color: var(--color-text);
}

.toast__title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.toast__action {
  align-self: flex-start;
  background: transparent;
  border: none;
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent);
  cursor: pointer;
  white-space: nowrap;
}

.toast__action:hover {
  filter: brightness(1.15);
}

.toast__dismiss {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

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