:root {
  --site-toast-bg: #fff;
  --site-toast-fg: #1f2937;
  --site-toast-ok: #6b7c2e;
  --site-toast-err: #dc2626;
  --site-toast-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
  --site-toast-radius: 14px;
}

.site-toast-stack {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  z-index: 10050;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  pointer-events: none;
  width: min(520px, calc(100vw - 32px));
}

.site-toast {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  position: relative;
  width: 100%;
  background: var(--site-toast-bg);
  color: var(--site-toast-fg);
  border-left: 5px solid var(--site-toast-ok);
  box-shadow: var(--site-toast-shadow);
  border-radius: var(--site-toast-radius);
  padding: 14px 16px 16px;
  transform: translateY(16px);
  opacity: 0;
  transition: transform 0.18s ease, opacity 0.18s ease;
  overflow: hidden;
}

.site-toast.show {
  transform: translateY(0);
  opacity: 1;
}

.site-toast.error {
  border-left-color: var(--site-toast-err);
}

.site-toast .icon {
  font-size: 18px;
  line-height: 1.2;
  flex-shrink: 0;
}

.site-toast .msg {
  font-size: 14px;
  line-height: 1.45;
  white-space: pre-line;
}

.site-toast .timer {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 100%;
  transform-origin: left;
  background: rgba(0, 0, 0, 0.08);
}

.site-toast.success .timer {
  background: rgba(107, 124, 46, 0.25);
}

.site-toast.error .timer {
  background: rgba(220, 38, 38, 0.25);
}

@media (max-width: 767px) {
  .site-toast-stack {
    width: calc(100vw - 32px);
    bottom: 16px;
  }
}