.drop-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 43, 54, 0.82);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}

.drop-overlay.is-active {
  display: flex;
}

.drop-overlay-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6);
  border: 2px dashed var(--accent-blue);
  border-radius: var(--radius-lg);
  color: var(--sol-base1);
  font-family: var(--font-mono);
  font-size: 14px;
}

.drop-overlay-card svg {
  width: 32px;
  height: 32px;
  color: var(--accent-blue);
}

.toast-stack {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface-raised);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 12.5px;
  box-shadow: var(--shadow-md);
  animation: toast-in 0.2s var(--theme-easing);
}

.toast.error {
  border-color: var(--accent-red);
  color: var(--accent-red);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.onboarding-overlay {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  background-color: rgba(0, 0, 0, 0.72);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.onboarding-overlay.is-active {
  display: flex;
}

.onboarding-card {
  position: relative;
  width: min(560px, 100%);
  max-height: min(720px, 85vh);
  max-height: min(720px, 85dvh);
  display: flex;
  flex-direction: column;
  border-radius: 20px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.onboarding-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 1;
  background-color: var(--bg-surface);
}

.onboarding-scroll {
  overflow-y: auto;
  padding: var(--space-6) var(--space-5) var(--space-5);
}

.onboarding-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.onboarding-brand .brand-mark {
  width: 20px;
  height: 20px;
  color: var(--accent-blue);
}

.onboarding-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.onboarding-scroll h2 {
  margin: 0 0 var(--space-3);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.onboarding-scroll h3 {
  margin: var(--space-5) 0 var(--space-2);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.onboarding-scroll p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.onboarding-scroll code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background-color: var(--bg-hover);
  border-radius: var(--radius-sm);
  padding: 1px 5px;
}

.onboarding-dismiss {
  margin-top: var(--space-6);
}