/* ========== Toast 通知 ========== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}
.toast {
    padding: 16px 24px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-weight: 600;
    color: #fff;
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease, fadeOut 0.3s ease 2.5s forwards;
    pointer-events: auto;
    letter-spacing: 1px;
    max-width: 400px;
}
.toast.success {
    background: var(--color-success);
}
.toast.error {
    background: var(--color-danger);
}
.toast.info {
    background: #4a7c8c;
}
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}
@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}