:root {
  --seeny-toast-width: min(24rem, calc(100vw - 2rem));
  --seeny-toast-gap: 0.9rem;
  --seeny-toast-radius: 1.15rem;
  --seeny-toast-shadow: 0 1.2rem 2.8rem rgba(15, 23, 42, 0.2);
}

.seeny-toast-viewport {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 1085;
  display: flex;
  flex-direction: column;
  gap: var(--seeny-toast-gap);
  width: var(--seeny-toast-width);
  pointer-events: none;
}

.seeny-toast {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 0.85rem;
  padding: 1rem 1rem 1rem 0.95rem;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: var(--seeny-toast-radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--seeny-toast-shadow);
  backdrop-filter: blur(18px);
  color: #0f172a;
  overflow: hidden;
  pointer-events: auto;
  transform: translate3d(0, -0.5rem, 0) scale(0.98);
  opacity: 0;
  transition: opacity 180ms ease, transform 220ms ease;
}

[data-theme="dark"] .seeny-toast {
  background: rgba(15, 23, 42, 0.94);
  border-color: rgba(148, 163, 184, 0.22);
  color: #e2e8f0;
  box-shadow: 0 1.4rem 3rem rgba(2, 6, 23, 0.45);
}

.seeny-toast.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.seeny-toast.is-hiding {
  opacity: 0;
  transform: translate3d(0, -0.35rem, 0) scale(0.98);
}

.seeny-toast__accent {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0.28rem;
  border-radius: 999px;
  background: var(--seeny-toast-accent, #2563eb);
}

.seeny-toast__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  background: var(--seeny-toast-tint, rgba(37, 99, 235, 0.12));
  color: var(--seeny-toast-accent, #2563eb);
  font-size: 1rem;
}

.seeny-toast__body {
  min-width: 0;
}

.seeny-toast__title {
  display: block;
  margin-bottom: 0.18rem;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.seeny-toast__message {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.45;
  color: inherit;
  opacity: 0.92;
  word-break: break-word;
}

.seeny-toast__close {
  border: 0;
  background: transparent;
  color: inherit;
  opacity: 0.58;
  padding: 0.1rem;
  line-height: 1;
  cursor: pointer;
  transition: opacity 160ms ease, transform 160ms ease;
}

.seeny-toast__close:hover,
.seeny-toast__close:focus-visible {
  opacity: 1;
  transform: scale(1.04);
}

.seeny-toast__progress {
  position: absolute;
  inset: auto 0 0 0;
  height: 0.2rem;
  background: color-mix(in srgb, var(--seeny-toast-accent, #2563eb) 18%, transparent);
}

.seeny-toast__progress::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: var(--seeny-toast-accent, #2563eb);
  transform-origin: left center;
  animation: seeny-toast-progress linear forwards;
  animation-duration: var(--seeny-toast-duration, 4200ms);
}

.seeny-toast--success {
  --seeny-toast-accent: #0f9f6e;
  --seeny-toast-tint: rgba(15, 159, 110, 0.14);
}

.seeny-toast--error {
  --seeny-toast-accent: #dc2626;
  --seeny-toast-tint: rgba(220, 38, 38, 0.14);
}

.seeny-toast--warning {
  --seeny-toast-accent: #d97706;
  --seeny-toast-tint: rgba(217, 119, 6, 0.15);
}

.seeny-toast--info {
  --seeny-toast-accent: #2563eb;
  --seeny-toast-tint: rgba(37, 99, 235, 0.14);
}

@keyframes seeny-toast-progress {
  from {
    transform: scaleX(1);
  }
  to {
    transform: scaleX(0);
  }
}

@media (max-width: 575.98px) {
  .seeny-toast-viewport {
    top: 0.85rem;
    right: 0.85rem;
    left: 0.85rem;
    width: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .seeny-toast,
  .seeny-toast__close {
    transition: none;
  }

  .seeny-toast__progress::after {
    animation: none;
  }
}