/* ALTToast — system-wide notifications (token-native with fallbacks) */

.alt-toast-host {
  --alt-toast-bg: var(--card, #18181b);
  --alt-toast-border: color-mix(in srgb, var(--border, rgba(255, 255, 255, 0.07)) 80%, transparent);
  --alt-toast-title: var(--text-primary, #f4f3f1);
  --alt-toast-meta: var(--text-muted, #82807a);
  --alt-toast-desc: color-mix(in srgb, var(--text-secondary, #b7b4ae) 75%, transparent);
  --alt-toast-radius: 14px;
  --alt-toast-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px color-mix(in srgb, var(--foreground, #fff) 5%, transparent);
  --alt-toast-glow: transparent;

  position: fixed;
  right: max(16px, env(safe-area-inset-right, 0px));
  bottom: max(20px, env(safe-area-inset-bottom, 0px));
  z-index: 1090;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-end;
  gap: 12px;
  width: min(400px, calc(100vw - 32px));
  pointer-events: none;
}

.alt-toast-confetti-layer {
  position: fixed;
  inset: 0;
  z-index: 1085;
  pointer-events: none;
  overflow: hidden;
}

.alt-toast-confetti-layer canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.alt-toast {
  --alt-toast-glow: transparent;

  pointer-events: auto;
  position: relative;
  overflow: hidden;
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 16px 16px 14px;
  background: var(--alt-toast-bg);
  border: 1px solid var(--alt-toast-border);
  border-radius: var(--alt-toast-radius);
  box-shadow: var(--alt-toast-shadow);
  color: var(--alt-toast-title);
  font-family: var(--font-sans, Inter, system-ui, sans-serif);
  transform: translateY(16px);
  opacity: 0;
  transition: transform 280ms cubic-bezier(0.16, 1, 0.3, 1), opacity 220ms ease;
}

.alt-toast::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 88px;
  background: radial-gradient(
    ellipse 120% 140% at 0% 50%,
    var(--alt-toast-glow) 0%,
    transparent 72%
  );
  opacity: 0.45;
  pointer-events: none;
  z-index: 0;
}

.alt-toast--success {
  --alt-toast-glow: var(--success, #22c55e);
}

.alt-toast--info {
  --alt-toast-glow: var(--info, #38bdf8);
}

.alt-toast--warning {
  --alt-toast-glow: var(--warning, #f59e0b);
}

.alt-toast--error {
  --alt-toast-glow: var(--danger, #ef4444);
}

.alt-toast--blocked {
  --alt-toast-glow: var(--warning, #f59e0b);
}

.alt-toast.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.alt-toast.is-leaving {
  transform: translateY(12px);
  opacity: 0;
}

.alt-toast__icon {
  position: relative;
  z-index: 1;
  width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  align-self: start;
  padding-top: 2px;
}

.alt-toast__icon svg {
  width: 14px;
  height: 14px;
}

.alt-toast__icon-badge {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.alt-toast--success .alt-toast__icon-badge {
  background: var(--success, #4ade80);
  color: #fff;
}

.alt-toast--info .alt-toast__icon-badge {
  background: var(--info, #67b0f5);
  color: #0f172a;
}

.alt-toast--warning .alt-toast__icon-badge {
  background: var(--warning, #f59e0b);
  color: #0f172a;
}

.alt-toast--error .alt-toast__icon-badge {
  background: var(--danger, #f87171);
  color: #fff;
}

.alt-toast--blocked .alt-toast__icon-badge {
  background: color-mix(in srgb, var(--warning, #f59e0b) 22%, var(--alt-toast-bg));
  color: var(--warning, #f59e0b);
  border: 1px solid color-mix(in srgb, var(--warning, #f59e0b) 40%, transparent);
}

.alt-toast__body {
  position: relative;
  z-index: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.alt-toast__header {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.alt-toast__title-row {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.alt-toast__title {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--alt-toast-title);
}

.alt-toast__meta {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--alt-toast-meta);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.alt-toast__meta::before {
  content: "";
  width: 1px;
  height: 12px;
  background: color-mix(in srgb, var(--alt-toast-meta) 50%, transparent);
}

.alt-toast__close {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  margin: -4px -4px 0 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--alt-toast-meta);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, color 0.15s ease;
}

.alt-toast__close:hover {
  background: color-mix(in srgb, var(--foreground, #fff) 8%, transparent);
  color: var(--alt-toast-title);
}

.alt-toast__close svg {
  width: 16px;
  height: 16px;
}

.alt-toast__description {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--alt-toast-desc);
}

.alt-toast__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.alt-toast__btn {
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1;
  padding: 9px 14px;
  border-radius: calc(var(--radius, 0.5rem) + 2px);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.alt-toast__btn--secondary {
  background: transparent;
  border: 1px solid var(--input-border, #262626);
  color: var(--alt-toast-desc);
}

.alt-toast__btn--secondary:hover {
  border-color: color-mix(in srgb, var(--alt-toast-desc) 40%, transparent);
  color: var(--alt-toast-title);
}

.alt-toast__btn--primary {
  background: var(--surface-elevated, #101010);
  border: 1px solid var(--input-border, #262626);
  color: var(--alt-toast-title);
}

.alt-toast__btn--primary:hover {
  background: color-mix(in srgb, var(--surface-elevated, #101010) 80%, var(--primary, #2563eb));
  border-color: color-mix(in srgb, var(--primary, #2563eb) 40%, var(--input-border, #262626));
}

@media (prefers-reduced-motion: reduce) {
  .alt-toast {
    transition: opacity 120ms ease;
    transform: none;
  }

  .alt-toast.is-visible,
  .alt-toast.is-leaving {
    transform: none;
  }
}