.mbh-skeleton{background:linear-gradient(90deg, var(--color-border) 0%, var(--color-border-strong) 50%, var(--color-border) 100%);background-size:200% 100%;animation:1.6s ease-in-out infinite mbh-shimmer}@keyframes mbh-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media (prefers-reduced-motion:reduce){.mbh-skeleton{background:var(--color-border);animation:none}}.mbh-toast-stack{top:max(var(--space-2), env(safe-area-inset-top,0px));z-index:200;flex-direction:column;align-items:stretch;gap:8px;width:calc(100% - 32px);max-width:380px;display:flex;position:fixed;left:50%;transform:translate(-50%)}.mbh-toast{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);font-size:var(--text-caption);color:var(--color-text-primary);animation:mbh-toast-in var(--duration-base) var(--ease-spring);align-items:center;gap:10px;padding:12px 14px;font-weight:500;display:flex}.mbh-toast__icon{flex-shrink:0}.mbh-toast--success .mbh-toast__icon{color:var(--color-success)}.mbh-toast--warning .mbh-toast__icon{color:var(--color-warning)}.mbh-toast--error .mbh-toast__icon{color:var(--color-danger)}.mbh-toast--info .mbh-toast__icon{color:var(--color-accent)}.mbh-toast__message{flex:1}.mbh-toast__close{color:var(--color-text-tertiary);background:0 0;border:none;padding:2px;display:flex}@keyframes mbh-toast-in{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}